diff --git a/demo/demo.sql b/demo/demo.sql
index 8aa58b8..c048de9 100644
--- a/demo/demo.sql
+++ b/demo/demo.sql
@@ -2,9 +2,17 @@ begin;
 
 set search_path to auth, numerus, public;
 
-insert into auth."user" (email, name, password, role)
-values ('demo@numerus', 'Demo User', 'demo', 'invoicer')
-     , ('admin@numerus', 'Demo Admin', 'admin', 'admin')
+insert into auth."user" (user_id, email, name, password, role)
+values (1, 'demo@numerus', 'Demo User', 'demo', 'invoicer')
+     , (2, 'admin@numerus', 'Demo Admin', 'admin', 'admin')
+;
+
+insert into company (company_id, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country, currency_code)
+values (1, 'Juli Verd', 'ES40404040D', 'Pesebre', parse_packed_phone_number('972 50 60 70', 'ES'), 'info@numerus.cat', 'https://numerus.cat/', 'C/ de l’Hort', 'Castelló d’Empúries', 'Alt Empordà', '17486', 'Espanya', 'EUR');
+
+insert into company_user (company_id, user_id)
+values (1, 1)
+     , (1, 2)
 ;
 
 commit;
diff --git a/deploy/available_currencies.sql b/deploy/available_currencies.sql
new file mode 100644
index 0000000..4d56aed
--- /dev/null
+++ b/deploy/available_currencies.sql
@@ -0,0 +1,12 @@
+-- Deploy numerus:available_currencies to pg
+-- requires: schema_numerus
+-- requires: currency
+
+begin;
+
+insert into numerus.currency(currency_code, currency_symbol)
+values ('EUR', '€')
+     , ('USD', '$')
+;
+
+commit;
diff --git a/deploy/company.sql b/deploy/company.sql
new file mode 100644
index 0000000..5ddb299
--- /dev/null
+++ b/deploy/company.sql
@@ -0,0 +1,36 @@
+-- Deploy numerus:company to pg
+-- requires: schema_numerus
+-- requires: extension_vat
+-- requires: email
+-- requires: extension_pg_libphonenumber
+-- requires: extension_uri
+-- requires: currency_code
+-- requires: currency
+
+begin;
+
+set search_path to numerus,public;
+
+create table company (
+	company_id serial primary key,
+	slug uuid not null unique default gen_random_uuid(),
+	business_name text not null,
+	vatin vatin not null,
+	trade_name text not null,
+	phone packed_phone_number not null,
+	email email not null,
+	web uri not null,
+	address text not null,
+	city text not null,
+	province text not null,
+	postal_code text not null,
+	country text not null,
+	currency_code currency_code not null references currency,
+	created_at timestamptz not null default current_timestamp
+);
+
+grant select on table company to invoicer;
+grant select on table company to admin;
+
+
+commit;
diff --git a/deploy/company_user.sql b/deploy/company_user.sql
new file mode 100644
index 0000000..1a1595c
--- /dev/null
+++ b/deploy/company_user.sql
@@ -0,0 +1,38 @@
+-- Deploy numerus:company_user to pg
+-- requires: schema_numerus
+-- requires: user
+-- requires: company
+
+begin;
+
+set search_path to numerus, auth, public;
+
+create table company_user (
+	company_id integer not null references company,
+	user_id integer not null references "user",
+	primary key (company_id, user_id)
+);
+
+grant select on table company_user to invoicer;
+grant select on table company_user to admin;
+
+
+alter table company enable row level security;
+
+create policy company_policy
+on company
+using (
+	exists(
+		select 1
+		from company_user
+		join user_profile using (user_id)
+		where company_user.company_id = company.company_id
+	)
+);
+
+-- TODO:
+-- I think we can not do the same for company_user because it would be
+-- an infinite loop, but in this case i think it is fine because we can
+-- only see ids, nothing more.
+
+commit;
diff --git a/deploy/currency.sql b/deploy/currency.sql
new file mode 100644
index 0000000..97b1e9b
--- /dev/null
+++ b/deploy/currency.sql
@@ -0,0 +1,18 @@
+-- Deploy numerus:currency to pg
+-- requires: schema_numerus
+-- requires: currency_code
+
+begin;
+
+set search_path to numerus, public;
+
+create table currency (
+	currency_code currency_code not null primary key,
+	currency_symbol text not null,
+	decimal_digits integer not null default 2
+);
+
+grant select on table currency to invoicer;
+grant select on table currency to admin;
+
+commit;
diff --git a/deploy/currency_code.sql b/deploy/currency_code.sql
new file mode 100644
index 0000000..6268539
--- /dev/null
+++ b/deploy/currency_code.sql
@@ -0,0 +1,14 @@
+-- Deploy numerus:currency_code to pg
+-- requires: schema_numerus
+
+begin;
+
+set search_path to numerus, public;
+
+create domain currency_code as text
+check (value ~ '^[A-Z]{3}$');
+
+comment on domain currency_code is
+'A correctly formated, but not necessarily valid, ISO 4217 currency code';
+
+commit;
diff --git a/deploy/extension_pg_libphonenumber.sql b/deploy/extension_pg_libphonenumber.sql
new file mode 100644
index 0000000..d607135
--- /dev/null
+++ b/deploy/extension_pg_libphonenumber.sql
@@ -0,0 +1,8 @@
+-- Deploy numerus:extension_pg_libphonenumber to pg
+-- requires: schema_public
+
+begin;
+
+create extension if not exists pg_libphonenumber;
+
+commit;
diff --git a/deploy/extension_uri.sql b/deploy/extension_uri.sql
new file mode 100644
index 0000000..199f6a5
--- /dev/null
+++ b/deploy/extension_uri.sql
@@ -0,0 +1,8 @@
+-- Deploy numerus:extension_uri to pg
+-- requires: schema_public
+
+begin;
+
+create extension if not exists uri;
+
+commit;
diff --git a/deploy/extension_vat.sql b/deploy/extension_vat.sql
new file mode 100644
index 0000000..ee63181
--- /dev/null
+++ b/deploy/extension_vat.sql
@@ -0,0 +1,8 @@
+-- Deploy numerus:extension_vat to pg
+-- requires: schema_public
+
+begin;
+
+create extension if not exists vat;
+
+commit;
diff --git a/pkg/company.go b/pkg/company.go
new file mode 100644
index 0000000..5fc6642
--- /dev/null
+++ b/pkg/company.go
@@ -0,0 +1,105 @@
+package pkg
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+const (
+	ContextCompanyKey = "numerus-company"
+)
+
+type Company struct {
+	Id   int
+	Slug string
+}
+
+func CompanyHandler(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		slug := r.URL.Path
+		if idx := strings.IndexByte(slug, '/'); idx >= 0 {
+			slug = slug[:idx]
+		}
+
+		conn := getConn(r)
+		company := &Company{
+			Slug: slug,
+		}
+		err := conn.QueryRow(r.Context(), "select company_id from company where slug = $1", slug).Scan(&company.Id)
+		if err != nil {
+			http.NotFound(w, r)
+			return
+		}
+		ctx := context.WithValue(r.Context(), ContextCompanyKey, company)
+		r = r.WithContext(ctx)
+
+		// Same as StripPrefix
+		p := strings.TrimPrefix(r.URL.Path, slug)
+		rp := strings.TrimPrefix(r.URL.RawPath, slug)
+		if len(p) < len(r.URL.Path) && (r.URL.RawPath == "" || len(rp) < len(r.URL.RawPath)) {
+			r2 := new(http.Request)
+			*r2 = *r
+			r2.URL = new(url.URL)
+			*r2.URL = *r.URL
+			if p == "" {
+				r2.URL.Path = "/"
+			} else {
+				r2.URL.Path = p
+			}
+			r2.URL.RawPath = rp
+			next.ServeHTTP(w, r2)
+		} else {
+			http.NotFound(w, r)
+		}
+	})
+}
+
+func getCompany(r *http.Request) *Company {
+	company := r.Context().Value(ContextCompanyKey)
+	if company == nil {
+		return nil
+	}
+	return company.(*Company)
+}
+
+type TaxDetailsPage struct {
+	Title string
+	BusinessName string
+	VATIN string
+	TradeName string
+	Phone string
+	Email string
+	Web string
+	Address string
+	City string
+	Province string
+	PostalCode string
+	Country string
+}
+
+func CompanyTaxDetailsHandler() http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		locale := getLocale(r)
+		page := &TaxDetailsPage{
+			Title: pgettext("title", "Tax Details", locale),
+		}
+		company := mustGetCompany(r)
+		conn := getConn(r)
+		err := conn.QueryRow(r.Context(), "select business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country from company where company_id = $1", company.Id).Scan(&page.BusinessName, &page.VATIN, &page.TradeName, &page.Phone, &page.Email, &page.Web, &page.Address, &page.City, &page.Province, &page.PostalCode, &page.Country);
+		if err != nil {
+			panic(err)
+		}
+		mustRenderAppTemplate(w, r, "tax-details.html", page)
+	});
+}
+
+func mustGetCompany(r *http.Request) *Company {
+	company := getCompany(r)
+	if company == nil {
+		panic(errors.New("company: required but not found"))
+	}
+	return company;
+}
diff --git a/pkg/router.go b/pkg/router.go
index dc83b62..ee17151 100644
--- a/pkg/router.go
+++ b/pkg/router.go
@@ -5,15 +5,28 @@ import (
 )
 
 func NewRouter(db *Db) http.Handler {
+	companyRouter := http.NewServeMux()
+	companyRouter.Handle("/tax-details", CompanyTaxDetailsHandler())
+	companyRouter.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		mustRenderAppTemplate(w, r, "dashboard.html", nil)
+	})
+
 	router := http.NewServeMux()
 	router.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("web/static"))))
 	router.Handle("/login", LoginHandler())
 	router.Handle("/logout", Authenticated(LogoutHandler()))
 	router.Handle("/profile", Authenticated(ProfileHandler()))
+	router.Handle("/company/", Authenticated(http.StripPrefix("/company/", CompanyHandler(companyRouter))))
 	router.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		user := getUser(r)
 		if user.LoggedIn {
-			mustRenderAppTemplate(w, r, "dashboard.html", nil)
+			conn := getConn(r)
+			var slug string
+			err := conn.QueryRow(r.Context(), "select slug::text from company order by company_id limit 1").Scan(&slug)
+			if err != nil {
+				panic(err)
+			}
+			http.Redirect(w, r, "/company/"+slug, http.StatusFound)
 		} else {
 			http.Redirect(w, r, "/login", http.StatusSeeOther)
 		}
diff --git a/pkg/template.go b/pkg/template.go
index 2dee2de..7ec1db0 100644
--- a/pkg/template.go
+++ b/pkg/template.go
@@ -12,10 +12,17 @@ func templateFile (name string) string {
 
 func mustRenderTemplate(wr io.Writer, r *http.Request, layout string, filename string, data interface{}) {
 	locale := getLocale(r)
+	company := getCompany(r)
 	t := template.New(filename)
 	t.Funcs(template.FuncMap{
 		"gettext":  locale.Get,
 		"pgettext": locale.GetC,
+		"companyURI": func(uri string) string {
+			if company == nil {
+				return uri;
+			}
+			return "/company/" + company.Slug + uri;
+		},
 	})
 	if _, err := t.ParseFiles(templateFile(filename), templateFile(layout)); err != nil {
 		panic(err)
diff --git a/po/ca.po b/po/ca.po
index 5f435f3..4b040ab 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: numerus\n"
 "Report-Msgid-Bugs-To: jordi@tandem.blog\n"
-"POT-Creation-Date: 2023-01-23 18:50+0100\n"
+"POT-Creation-Date: 2023-01-24 21:37+0100\n"
 "PO-Revision-Date: 2023-01-18 17:08+0100\n"
 "Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
 "Language-Team: Catalan <ca@dodds.net>\n"
@@ -26,12 +26,13 @@ msgstr "Entrada"
 msgid "Invalid user or password"
 msgstr "Nom d’usuari o contrasenya incorrectes"
 
-#: web/template/login.html:13 web/template/profile.html:14
+#: web/template/login.html:13 web/template/profile.html:15
+#: web/template/tax-details.html:23
 msgctxt "input"
 msgid "Email"
 msgstr "Correu-e"
 
-#: web/template/login.html:18 web/template/profile.html:22
+#: web/template/login.html:18 web/template/profile.html:23
 msgctxt "input"
 msgid "Password"
 msgstr "Contrasenya"
@@ -41,51 +42,112 @@ msgctxt "action"
 msgid "Login"
 msgstr "Entra"
 
-#: web/template/profile.html:2 pkg/profile.go:33
+#: web/template/profile.html:3 pkg/profile.go:29
 msgctxt "title"
 msgid "User Settings"
 msgstr "Configuració usuari"
 
-#: web/template/profile.html:5
+#: web/template/profile.html:6
 msgctxt "title"
 msgid "User Access Data"
 msgstr "Dades accés usuari"
 
-#: web/template/profile.html:9
+#: web/template/profile.html:10
 msgctxt "input"
 msgid "User name"
 msgstr "Nom d’usuari"
 
-#: web/template/profile.html:18
+#: web/template/profile.html:19
 msgctxt "title"
 msgid "Password Change"
 msgstr "Canvi contrasenya"
 
-#: web/template/profile.html:27
+#: web/template/profile.html:28
 msgctxt "input"
 msgid "Password Confirmation"
 msgstr "Confirmació contrasenya"
 
-#: web/template/profile.html:31
+#: web/template/profile.html:33
 msgctxt "input"
 msgid "Language"
 msgstr "Idioma"
 
-#: web/template/profile.html:33
+#: web/template/profile.html:36
 msgctxt "language option"
 msgid "Automatic"
 msgstr "Automàtic"
 
-#: web/template/profile.html:38
+#: web/template/profile.html:42
 msgctxt "action"
 msgid "Save changes"
 msgstr "Desa canvis"
 
+#: web/template/tax-details.html:3 pkg/company.go:87
+msgctxt "title"
+msgid "Tax Details"
+msgstr "Configuració fiscal"
+
+#: web/template/tax-details.html:7
+msgctxt "input"
+msgid "Business name"
+msgstr "Nom i cognom"
+
+#: web/template/tax-details.html:11
+msgctxt "input"
+msgid "VAT number"
+msgstr "DNI / NIF"
+
+#: web/template/tax-details.html:15
+msgctxt "input"
+msgid "Trade name"
+msgstr "Nom comercial"
+
+#: web/template/tax-details.html:19
+msgctxt "input"
+msgid "Phone"
+msgstr "Telèfon"
+
+#: web/template/tax-details.html:27
+msgctxt "input"
+msgid "Web"
+msgstr "Web"
+
+#: web/template/tax-details.html:31
+msgctxt "input"
+msgid "Address"
+msgstr "Adreça"
+
+#: web/template/tax-details.html:35
+msgctxt "input"
+msgid "City"
+msgstr "Població"
+
+#: web/template/tax-details.html:39
+msgctxt "input"
+msgid "Province"
+msgstr "Província"
+
+#: web/template/tax-details.html:43
+msgctxt "input"
+msgid "Postal code"
+msgstr "Codi postal"
+
+#: web/template/tax-details.html:47
+msgctxt "input"
+msgid "Country"
+msgstr "País"
+
 #: web/template/app.html:20
+msgctxt "menu"
 msgid "Account"
 msgstr "Compte"
 
-#: web/template/app.html:27
+#: web/template/app.html:26
+msgctxt "menu"
+msgid "Tax Details"
+msgstr "Configuració fiscal"
+
+#: web/template/app.html:33
 msgctxt "action"
 msgid "Logout"
 msgstr "Surt"
diff --git a/po/es.po b/po/es.po
index 17d02f0..212b929 100644
--- a/po/es.po
+++ b/po/es.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: numerus\n"
 "Report-Msgid-Bugs-To: jordi@tandem.blog\n"
-"POT-Creation-Date: 2023-01-23 18:50+0100\n"
+"POT-Creation-Date: 2023-01-24 21:37+0100\n"
 "PO-Revision-Date: 2023-01-18 17:45+0100\n"
 "Last-Translator: jordi fita mas <jordi@tandem.blog>\n"
 "Language-Team: Spanish <es@tp.org.es>\n"
@@ -26,12 +26,13 @@ msgstr "Entrada"
 msgid "Invalid user or password"
 msgstr "Nombre de usuario o contraseña inválido"
 
-#: web/template/login.html:13 web/template/profile.html:14
+#: web/template/login.html:13 web/template/profile.html:15
+#: web/template/tax-details.html:23
 msgctxt "input"
 msgid "Email"
 msgstr "Correo-e"
 
-#: web/template/login.html:18 web/template/profile.html:22
+#: web/template/login.html:18 web/template/profile.html:23
 msgctxt "input"
 msgid "Password"
 msgstr "Contraseña"
@@ -41,51 +42,112 @@ msgctxt "action"
 msgid "Login"
 msgstr "Entrar"
 
-#: web/template/profile.html:2 pkg/profile.go:33
+#: web/template/profile.html:3 pkg/profile.go:29
 msgctxt "title"
 msgid "User Settings"
 msgstr "Configuración usuario"
 
-#: web/template/profile.html:5
+#: web/template/profile.html:6
 msgctxt "title"
 msgid "User Access Data"
 msgstr "Datos acceso usuario"
 
-#: web/template/profile.html:9
+#: web/template/profile.html:10
 msgctxt "input"
 msgid "User name"
 msgstr "Nombre de usuario"
 
-#: web/template/profile.html:18
+#: web/template/profile.html:19
 msgctxt "title"
 msgid "Password Change"
 msgstr "Cambio de contraseña"
 
-#: web/template/profile.html:27
+#: web/template/profile.html:28
 msgctxt "input"
 msgid "Password Confirmation"
 msgstr "Confirmación contrasenya"
 
-#: web/template/profile.html:31
+#: web/template/profile.html:33
 msgctxt "input"
 msgid "Language"
 msgstr "Idioma"
 
-#: web/template/profile.html:33
+#: web/template/profile.html:36
 msgctxt "language option"
 msgid "Automatic"
 msgstr "Automático"
 
-#: web/template/profile.html:38
+#: web/template/profile.html:42
 msgctxt "action"
 msgid "Save changes"
 msgstr "Guardar cambios"
 
+#: web/template/tax-details.html:3 pkg/company.go:87
+msgctxt "title"
+msgid "Tax Details"
+msgstr "Configuración fiscal"
+
+#: web/template/tax-details.html:7
+msgctxt "input"
+msgid "Business name"
+msgstr "Nombre y apellidos"
+
+#: web/template/tax-details.html:11
+msgctxt "input"
+msgid "VAT number"
+msgstr "DNI / NIF"
+
+#: web/template/tax-details.html:15
+msgctxt "input"
+msgid "Trade name"
+msgstr "Nombre comercial"
+
+#: web/template/tax-details.html:19
+msgctxt "input"
+msgid "Phone"
+msgstr "Teléfono"
+
+#: web/template/tax-details.html:27
+msgctxt "input"
+msgid "Web"
+msgstr "Web"
+
+#: web/template/tax-details.html:31
+msgctxt "input"
+msgid "Address"
+msgstr "Dirección"
+
+#: web/template/tax-details.html:35
+msgctxt "input"
+msgid "City"
+msgstr "Población"
+
+#: web/template/tax-details.html:39
+msgctxt "input"
+msgid "Province"
+msgstr "Provincia"
+
+#: web/template/tax-details.html:43
+msgctxt "input"
+msgid "Postal code"
+msgstr "Código postal"
+
+#: web/template/tax-details.html:47
+msgctxt "input"
+msgid "Country"
+msgstr "País"
+
 #: web/template/app.html:20
+msgctxt "menu"
 msgid "Account"
 msgstr "Cuenta"
 
-#: web/template/app.html:27
+#: web/template/app.html:26
+msgctxt "menu"
+msgid "Tax Details"
+msgstr "Configuración fiscal"
+
+#: web/template/app.html:33
 msgctxt "action"
 msgid "Logout"
 msgstr "Salir"
diff --git a/revert/available_currencies.sql b/revert/available_currencies.sql
new file mode 100644
index 0000000..9d5f891
--- /dev/null
+++ b/revert/available_currencies.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:available_currencies from pg
+
+begin;
+
+delete from numerus.currency;
+
+commit;
diff --git a/revert/company.sql b/revert/company.sql
new file mode 100644
index 0000000..5fd60b3
--- /dev/null
+++ b/revert/company.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:company from pg
+
+begin;
+
+drop table numerus.company;
+
+commit;
diff --git a/revert/company_user.sql b/revert/company_user.sql
new file mode 100644
index 0000000..eb53c28
--- /dev/null
+++ b/revert/company_user.sql
@@ -0,0 +1,9 @@
+-- Revert numerus:company_user from pg
+
+begin;
+
+drop policy if exists company_policy on numerus.company;
+drop policy if exists company_policy on numerus.company_user;
+drop table if exists numerus.company_user;
+
+commit;
diff --git a/revert/currency.sql b/revert/currency.sql
new file mode 100644
index 0000000..d6cf2df
--- /dev/null
+++ b/revert/currency.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:currency from pg
+
+begin;
+
+drop table numerus.currency;
+
+commit;
diff --git a/revert/currency_code.sql b/revert/currency_code.sql
new file mode 100644
index 0000000..f3572ce
--- /dev/null
+++ b/revert/currency_code.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:currency_code from pg
+
+begin;
+
+drop domain if exists numerus.currency_code;
+
+commit;
diff --git a/revert/extension_pg_libphonenumber.sql b/revert/extension_pg_libphonenumber.sql
new file mode 100644
index 0000000..782c623
--- /dev/null
+++ b/revert/extension_pg_libphonenumber.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:extension_pg_libphonenumber from pg
+
+begin;
+
+drop extension if exists pg_libphonenumber;
+
+commit;
diff --git a/revert/extension_uri.sql b/revert/extension_uri.sql
new file mode 100644
index 0000000..b7155ae
--- /dev/null
+++ b/revert/extension_uri.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:extension_uri from pg
+
+begin;
+
+drop extension if exists uri;
+
+commit;
diff --git a/revert/extension_vat.sql b/revert/extension_vat.sql
new file mode 100644
index 0000000..1af9496
--- /dev/null
+++ b/revert/extension_vat.sql
@@ -0,0 +1,7 @@
+-- Revert numerus:extension_vat from pg
+
+begin;
+
+drop extension if exists vat;
+
+commit;
diff --git a/sqitch.plan b/sqitch.plan
index 4560fc6..0cae201 100644
--- a/sqitch.plan
+++ b/sqitch.plan
@@ -9,11 +9,11 @@ schema_numerus [roles] 2023-01-12T22:57:22Z jordi fita mas <jordi@tandem.blog> #
 extension_citext [schema_public] 2023-01-12T23:03:33Z jordi fita mas <jordi@tandem.blog> # Add citext extension
 email [schema_numerus extension_citext] 2023-01-12T23:09:59Z jordi fita mas <jordi@tandem.blog> # Add email domain
 language [schema_numerus] 2023-01-21T20:55:49Z jordi fita mas <jordi@tandem.blog> # Add relation of available languages
-user [roles schema_auth email language] 2023-01-12T23:44:03Z jordi fita mas <jordi@tandem.blog> # Create user table
+user [roles schema_auth email language] 2023-01-12T23:44:03Z jordi fita mas <jordi@tandem.blog> # Create user relation
 ensure_role_exists [schema_auth user] 2023-01-12T23:57:59Z jordi fita mas <jordi@tandem.blog> # Add trigger to ensure the user’s role exists
 extension_pgcrypto [schema_auth] 2023-01-13T00:11:50Z jordi fita mas <jordi@tandem.blog> # Add pgcrypto extension
 encrypt_password [schema_auth user extension_pgcrypto] 2023-01-13T00:14:30Z jordi fita mas <jordi@tandem.blog> # Add trigger to encrypt user’s password
-login_attempt [schema_auth] 2023-01-17T14:05:49Z jordi fita mas <jordi@tandem.blog> # Add table to log login attempts
+login_attempt [schema_auth] 2023-01-17T14:05:49Z jordi fita mas <jordi@tandem.blog> # Add relation to log login attempts
 login [roles schema_numerus schema_auth extension_pgcrypto email user login_attempt] 2023-01-13T00:32:32Z jordi fita mas <jordi@tandem.blog> # Add function to login
 current_user_cookie [schema_numerus] 2023-01-21T20:16:28Z jordi fita mas <jordi@tandem.blog> # Add function to get the cookie of the current Numerus’ user
 current_user_email [schema_numerus] 2023-01-23T19:11:53Z jordi fita mas <jordi@tandem.blog> # Add function to get the email of the current Numerus’ user
@@ -24,3 +24,11 @@ set_cookie [schema_public check_cookie] 2023-01-19T11:00:22Z jordi fita mas <jor
 available_languages [schema_numerus language] 2023-01-21T21:11:08Z jordi fita mas <jordi@tandem.blog> # Add the initial available languages
 user_profile [schema_numerus user current_user_email current_user_cookie] 2023-01-21T23:18:20Z jordi fita mas <jordi@tandem.blog> # Add view for user profile
 change_password [schema_numerus user] 2023-01-23T20:22:45Z jordi fita mas <jordi@tandem.blog> # Add function to change the current user’s password
+extension_vat [schema_public] 2023-01-24T10:28:17Z jordi fita mas <jordi@tandem.blog> # Add vat extension
+extension_pg_libphonenumber [schema_public] 2023-01-24T13:50:14Z jordi fita mas <jordi@tandem.blog> # Add extension for phone numbers
+extension_uri [schema_public] 2023-01-24T14:29:29Z jordi fita mas <jordi@tandem.blog> # Add extension for URIs
+currency_code [schema_numerus] 2023-01-24T14:36:04Z jordi fita mas <jordi@tandem.blog> # Add the domain for currency code in ISO 4217
+currency [schema_numerus currency_code] 2023-01-24T14:45:26Z jordi fita mas <jordi@tandem.blog> # Add the relation for currencies
+available_currencies [schema_numerus currency] 2023-01-24T14:54:18Z jordi fita mas <jordi@tandem.blog> # Add the initial list of available currencies
+company [schema_numerus extension_vat email extension_pg_libphonenumber extension_uri currency_code currency] 2023-01-24T15:03:15Z jordi fita mas <jordi@tandem.blog> # Add the relation for companies
+company_user [schema_numerus user company] 2023-01-24T17:50:06Z jordi fita mas <jordi@tandem.blog> # Add the relation of companies and their users
diff --git a/test/company.sql b/test/company.sql
new file mode 100644
index 0000000..cdcc25d
--- /dev/null
+++ b/test/company.sql
@@ -0,0 +1,164 @@
+-- Test company
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+select plan(77);
+
+set search_path to numerus, auth, public;
+
+select has_table('company');
+select has_pk('company');
+select table_privs_are('company', 'guest', array []::text[]);
+select table_privs_are('company', 'invoicer', array ['SELECT']);
+select table_privs_are('company', 'admin', array ['SELECT']);
+select table_privs_are('company', 'authenticator', array []::text[]);
+
+select has_column('company', 'company_id');
+select col_is_pk('company', 'company_id');
+select col_type_is('company', 'company_id', 'integer');
+select col_not_null('company', 'company_id');
+select col_has_default('company', 'company_id');
+select col_default_is('company', 'company_id', 'nextval(''company_company_id_seq''::regclass)');
+
+select has_column('company', 'slug');
+select col_is_unique('company', 'slug');
+select col_type_is('company', 'slug', 'uuid');
+select col_not_null('company', 'slug');
+select col_has_default('company', 'slug');
+select col_default_is('company', 'slug', 'gen_random_uuid()');
+
+select has_column('company', 'business_name');
+select col_type_is('company', 'business_name', 'text');
+select col_not_null('company', 'business_name');
+select col_hasnt_default('company', 'business_name');
+
+select has_column('company', 'vatin');
+select col_type_is('company', 'vatin', 'vatin');
+select col_not_null('company', 'vatin');
+select col_hasnt_default('company', 'vatin');
+
+select has_column('company', 'trade_name');
+select col_type_is('company', 'trade_name', 'text');
+select col_not_null('company', 'trade_name');
+select col_hasnt_default('company', 'trade_name');
+
+select has_column('company', 'phone');
+select col_type_is('company', 'phone', 'packed_phone_number');
+select col_not_null('company', 'phone');
+select col_hasnt_default('company', 'phone');
+
+select has_column('company', 'email');
+select col_type_is('company', 'email', 'email');
+select col_not_null('company', 'email');
+select col_hasnt_default('company', 'email');
+
+select has_column('company', 'web');
+select col_type_is('company', 'web', 'uri');
+select col_not_null('company', 'web');
+select col_hasnt_default('company', 'web');
+
+select has_column('company', 'address');
+select col_type_is('company', 'address', 'text');
+select col_not_null('company', 'address');
+select col_hasnt_default('company', 'address');
+
+select has_column('company', 'city');
+select col_type_is('company', 'city', 'text');
+select col_not_null('company', 'city');
+select col_hasnt_default('company', 'city');
+
+select has_column('company', 'province');
+select col_type_is('company', 'province', 'text');
+select col_not_null('company', 'province');
+select col_hasnt_default('company', 'province');
+
+select has_column('company', 'postal_code');
+select col_type_is('company', 'postal_code', 'text');
+select col_not_null('company', 'postal_code');
+select col_hasnt_default('company', 'postal_code');
+
+select has_column('company', 'country');
+select col_type_is('company', 'country', 'text');
+select col_not_null('company', 'country');
+select col_hasnt_default('company', 'country');
+
+select has_column('company', 'currency_code');
+select col_is_fk('company', 'currency_code');
+select fk_ok('company', 'currency_code', 'currency', 'currency_code');
+select col_type_is('company', 'currency_code', 'currency_code');
+select col_not_null('company', 'currency_code');
+select col_hasnt_default('company', 'currency_code');
+
+select has_column('company', 'created_at');
+select col_type_is('company', 'created_at', 'timestamp with time zone');
+select col_not_null('company', 'created_at');
+select col_has_default('company', 'created_at');
+select col_default_is('company', 'created_at', current_timestamp);
+
+
+set client_min_messages to warning;
+truncate company_user cascade;
+truncate company cascade;
+truncate auth."user" cascade;
+reset client_min_messages;
+
+insert into auth."user" (user_id, email, name, password, role, cookie, cookie_expires_at)
+values (1, 'demo@tandem.blog', 'Demo', 'test', 'invoicer', '44facbb30d8a419dfd4bfbc44a4b5539d4970148dfc84bed0e', current_timestamp + interval '1 month')
+     , (5, 'admin@tandem.blog', 'Demo', 'test', 'admin', '12af4c88b528c2ad4222e3740496ecbc58e76e26f087657524', current_timestamp + interval '1 month')
+;
+
+insert into company (company_id, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, country, currency_code)
+values (2, 'Company 2', 'XX123', '', '555-555-555', 'a@a', '', '', '', '', '', '', 'EUR')
+     , (4, 'Company 4', 'XX234', '', '666-666-666', 'b@b', '', '', '', '', '', '', 'USD')
+     , (6, 'Company 6', 'XX345', '', '777-777-777', 'c@c', '', '', '', '', '', '', 'USD')
+;
+
+insert into company_user (company_id, user_id)
+values (2, 1)
+     , (2, 5)
+     , (4, 1)
+     , (6, 5)
+;
+
+prepare company_data as
+select company_id, business_name
+from company
+order by company_id;
+
+set role invoicer;
+select is_empty('company_data', 'Should show no data when cookie is not set yet');
+reset role;
+
+select set_cookie('44facbb30d8a419dfd4bfbc44a4b5539d4970148dfc84bed0e/demo@tandem.blog');
+select results_eq(
+	'company_data',
+	$$ values ( 2, 'Company 2' )
+	        , ( 4, 'Company 4' )
+	$$,
+	'Should only list companies where demo@tandem.blog is user of'
+);
+reset role;
+
+select set_cookie('12af4c88b528c2ad4222e3740496ecbc58e76e26f087657524/admin@tandem.blog');
+select results_eq(
+	'company_data',
+	$$ values ( 2, 'Company 2' )
+	        , ( 6, 'Company 6' )
+	$$,
+	'Should only list companies where admin@tandem.blog is user of'
+);
+reset role;
+
+select set_cookie('not-a-cookie');
+select throws_ok(
+	'company_data',
+	'42501', 'permission denied for table company',
+	'Should not allow select to guest users'
+);
+reset role;
+
+select finish();
+rollback;
diff --git a/test/company_user.sql b/test/company_user.sql
new file mode 100644
index 0000000..b14d290
--- /dev/null
+++ b/test/company_user.sql
@@ -0,0 +1,39 @@
+-- Test company_user
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+select plan(19);
+
+set search_path to numerus, auth, public;
+
+select has_table('company_user');
+select has_pk('company_user' );
+select col_is_pk('company_user', array['company_id', 'user_id']);
+select table_privs_are('company_user', 'guest', array []::text[]);
+select table_privs_are('company_user', 'invoicer', array ['SELECT']);
+select table_privs_are('company_user', 'admin', array ['SELECT']);
+select table_privs_are('company_user', 'authenticator', array []::text[]);
+
+select has_column('company_user', 'company_id');
+select col_is_fk('company_user', 'company_id');
+select fk_ok('company_user', 'company_id', 'company', 'company_id');
+select col_type_is('company_user', 'company_id', 'integer');
+select col_not_null('company_user', 'company_id');
+select col_hasnt_default('company_user', 'company_id');
+
+select has_column('company_user', 'user_id');
+select col_is_fk('company_user', 'user_id');
+select fk_ok('company_user', 'user_id', 'user', 'user_id');
+select col_type_is('company_user', 'user_id', 'integer');
+select col_not_null('company_user', 'user_id');
+select col_hasnt_default('company_user', 'user_id');
+
+
+select *
+from finish();
+
+rollback;
+
diff --git a/test/currency.sql b/test/currency.sql
new file mode 100644
index 0000000..11224eb
--- /dev/null
+++ b/test/currency.sql
@@ -0,0 +1,42 @@
+-- Test currency
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+select plan(20);
+
+set search_path to numerus, public;
+
+select has_table('currency');
+select has_pk('currency');
+select table_privs_are('currency', 'guest', array []::text[]);
+select table_privs_are('currency', 'invoicer', array ['SELECT']);
+select table_privs_are('currency', 'admin', array ['SELECT']);
+select table_privs_are('currency', 'authenticator', array []::text[]);
+
+select has_column('currency', 'currency_code');
+select col_is_pk('currency', 'currency_code');
+select col_type_is('currency', 'currency_code', 'currency_code');
+select col_not_null('currency', 'currency_code');
+select col_hasnt_default('currency', 'currency_code');
+
+select has_column('currency', 'currency_symbol');
+select col_type_is('currency', 'currency_symbol', 'text');
+select col_not_null('currency', 'currency_symbol');
+select col_hasnt_default('currency', 'currency_symbol');
+
+select has_column('currency', 'decimal_digits');
+select col_type_is('currency', 'decimal_digits', 'integer');
+select col_not_null('currency', 'decimal_digits');
+select col_has_default('currency', 'decimal_digits');
+select col_default_is('currency', 'decimal_digits', 2);
+
+set client_min_messages to warning;
+truncate currency cascade;
+reset client_min_messages;
+
+
+select finish();
+rollback;
diff --git a/test/currency_code.sql b/test/currency_code.sql
new file mode 100644
index 0000000..a1eb3f2
--- /dev/null
+++ b/test/currency_code.sql
@@ -0,0 +1,38 @@
+-- Test currency_code
+set client_min_messages to warning;
+create extension if not exists pgtap;
+reset client_min_messages;
+
+begin;
+
+select plan(6);
+
+set search_path to numerus, public;
+
+select has_domain('currency_code');
+select domain_type_is('currency_code', 'text');
+
+select lives_ok($$ select 'EUR'::currency_code $$, 'Should be able to cast valid text to currency code');
+
+select throws_ok(
+	$$ SELECT '123'::currency_code $$,
+	23514, null,
+	'Should reject numeric text'
+);
+
+select throws_ok(
+	$$ SELECT 'eur'::currency_code $$,
+	23514, null,
+	'Should reject lowecase text'
+);
+
+select throws_ok(
+	$$ SELECT 'EURO'::currency_code $$,
+	23514, null,
+	'Should reject text longer than three letters'
+);
+
+select *
+from finish();
+
+rollback;
diff --git a/test/extensions.sql b/test/extensions.sql
index c36b625..99d5fd7 100644
--- a/test/extensions.sql
+++ b/test/extensions.sql
@@ -9,9 +9,12 @@ select plan(1);
 
 select extensions_are(array[
 	  'citext'
+	, 'pg_libphonenumber'
 	, 'pgtap'
 	, 'pgcrypto'
 	, 'plpgsql'
+	, 'uri'
+	, 'vat'
 ]);
 
 select *
diff --git a/verify/available_currencies.sql b/verify/available_currencies.sql
new file mode 100644
index 0000000..fc3ef0e
--- /dev/null
+++ b/verify/available_currencies.sql
@@ -0,0 +1,21 @@
+-- Verify numerus:available_currencies on pg
+
+begin;
+
+set search_path to numerus;
+
+select 1 / count(*)
+from currency
+where currency_code = 'EUR'
+  and currency_symbol = '€'
+  and decimal_digits = 2
+;
+
+select 1 / count(*)
+from currency
+where currency_code = 'USD'
+  and currency_symbol = '$'
+  and decimal_digits = 2
+;
+
+rollback;
diff --git a/verify/company.sql b/verify/company.sql
new file mode 100644
index 0000000..1859c0c
--- /dev/null
+++ b/verify/company.sql
@@ -0,0 +1,23 @@
+-- Verify numerus:company on pg
+
+begin;
+
+select company_id
+     , slug
+     , business_name
+     , vatin
+     , trade_name
+     , phone
+     , email
+     , web
+     , address
+     , city
+     , province
+     , postal_code
+     , country
+     , currency_code
+     , created_at
+from numerus.company
+where false;
+
+rollback;
diff --git a/verify/company_user.sql b/verify/company_user.sql
new file mode 100644
index 0000000..5bd8f1a
--- /dev/null
+++ b/verify/company_user.sql
@@ -0,0 +1,10 @@
+-- Verify numerus:company_user on pg
+
+begin;
+
+select company_id
+     , user_id
+from numerus.company_user
+where false;
+
+rollback;
diff --git a/verify/currency.sql b/verify/currency.sql
new file mode 100644
index 0000000..6b70476
--- /dev/null
+++ b/verify/currency.sql
@@ -0,0 +1,11 @@
+-- Verify numerus:currency on pg
+
+begin;
+
+select currency_code
+     , currency_symbol
+     , decimal_digits
+from numerus.currency
+where false;
+
+rollback;
diff --git a/verify/currency_code.sql b/verify/currency_code.sql
new file mode 100644
index 0000000..319da2f
--- /dev/null
+++ b/verify/currency_code.sql
@@ -0,0 +1,7 @@
+-- Verify numerus:currency_code on pg
+
+begin;
+
+select pg_catalog.has_type_privilege('numerus.currency_code', 'usage');
+
+rollback;
diff --git a/verify/extension_pg_libphonenumber.sql b/verify/extension_pg_libphonenumber.sql
new file mode 100644
index 0000000..600d8d0
--- /dev/null
+++ b/verify/extension_pg_libphonenumber.sql
@@ -0,0 +1,7 @@
+-- Verify numerus:extension_pg_libphonenumber on pg
+
+begin;
+
+select 1/count(*) from pg_extension where extname = 'pg_libphonenumber';
+
+rollback;
diff --git a/verify/extension_uri.sql b/verify/extension_uri.sql
new file mode 100644
index 0000000..5b4e865
--- /dev/null
+++ b/verify/extension_uri.sql
@@ -0,0 +1,7 @@
+-- Verify numerus:extension_uri on pg
+
+begin;
+
+select 1/count(*) from pg_extension where extname = 'uri';
+
+rollback;
diff --git a/verify/extension_vat.sql b/verify/extension_vat.sql
new file mode 100644
index 0000000..61b249d
--- /dev/null
+++ b/verify/extension_vat.sql
@@ -0,0 +1,7 @@
+-- Verify numerus:extension_vat on pg
+
+begin;
+
+select 1/count(*) from pg_extension where extname = 'vat';
+
+rollback;
diff --git a/web/static/numerus.css b/web/static/numerus.css
index 4958bab..f65038b 100644
--- a/web/static/numerus.css
+++ b/web/static/numerus.css
@@ -245,9 +245,10 @@ main {
 .input {
 	position: relative;
 	display: inline-block;
+	margin-top: 2rem;
 }
 
-input[type="text"], input[type="password"], input[type="email"], select {
+input[type="text"], input[type="password"], input[type="email"], input[type="tel"], input[type="url"], select {
 	background-color: var(--numerus--background-color);
 	border: 1px solid var(--numerus--color--black);
 	border-radius: 0;
@@ -255,6 +256,10 @@ input[type="text"], input[type="password"], input[type="email"], select {
 	min-width: 30rem;
 }
 
+input.width-2x {
+	min-width: 60.95rem;
+}
+
 .input input::placeholder {
 	color: transparent;
 }
@@ -309,7 +314,7 @@ fieldset {
 }
 
 .full-width legend {
-	margin-bottom: initial;
+	margin-bottom: -1rem;
 }
 
 
diff --git a/web/template/app.html b/web/template/app.html
index 32ee97e..47eb1f3 100644
--- a/web/template/app.html
+++ b/web/template/app.html
@@ -17,7 +17,13 @@
 					<li role="presentation">
 						<a role="menuitem" href="/profile">
 							<i class="ri-account-circle-line"></i>
-							{{( gettext "Account" )}}
+							{{( pgettext "Account" "menu" )}}
+						</a>
+					</li>
+					<li role="presentation">
+						<a role="menuitem" href="{{ companyURI "/tax-details" }}">
+							<i class="ri-vip-diamond-line"></i>
+							{{( pgettext "Tax Details" "menu" )}}
 						</a>
 					</li>
 					<li role="presentation">
diff --git a/web/template/tax-details.html b/web/template/tax-details.html
new file mode 100644
index 0000000..d7047fd
--- /dev/null
+++ b/web/template/tax-details.html
@@ -0,0 +1,51 @@
+{{ define "content" }}
+			<section class="dialog-content">
+				<h2>{{(pgettext "Tax Details" "title")}}</h2>
+				<form method="POST">
+						<div class="input">
+							<input type="text" name="business_name" id="business_name" required="required" value="{{ .BusinessName }}" placeholder="{{( pgettext "Business name" "input" )}}">
+							<label for="business_name">{{( pgettext "Business name" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="vatin" id="vatin" required="required" value="{{ .VATIN }}" placeholder="{{( pgettext "VAT number" "input" )}}">
+							<label for="vatin">{{( pgettext "VAT number" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="trade_name" id="trade_name" value="{{ .TradeName }}" placeholder="{{( pgettext "Trade name" "input" )}}">
+							<label for="trade_name">{{( pgettext "Trade name" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="tel" name="phone" id="phone" required="required" value="{{ .Phone }}" placeholder="{{( pgettext "Phone" "input" )}}">
+							<label for="phone">{{( pgettext "Phone" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="email" name="email" id="email" required="required" value="{{ .Email }}" placeholder="{{( pgettext "Email" "input" )}}">
+							<label for="email">{{( pgettext "Email" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="url" name="web" id="web" value="{{ .Web }}" placeholder="{{( pgettext "Web" "input" )}}">
+							<label for="web">{{( pgettext "Web" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="address" id="address" class="width-2x" required="required" value="{{ .Address }}" placeholder="{{( pgettext "Address" "input" )}}">
+							<label for="address">{{( pgettext "Address" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="city" id="city" required="required" value="{{ .City }}" placeholder="{{( pgettext "City" "input" )}}">
+							<label for="city">{{( pgettext "City" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="province" id="province" required="required" value="{{ .City }}" placeholder="{{( pgettext "Province" "input" )}}">
+							<label for="province">{{( pgettext "Province" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="postal_code" id="postal_code" required="required" value="{{ .PostalCode }}" placeholder="{{( pgettext "Postal code" "input" )}}">
+							<label for="postal_code">{{( pgettext "Postal code" "input" )}}</label>
+						</div>
+						<div class="input">
+							<input type="text" name="country" id="country" required="required" value="{{ .Country }}" placeholder="{{( pgettext "Country" "input" )}}">
+							<label for="country">{{( pgettext "Country" "input" )}}</label>
+						</div>
+				</form>
+			</section>
+{{- end }}