diff --git a/.gitignore b/.gitignore
index 020de9f..a630c4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,9 @@
 # environment variables
 .env
 
+# Migrations
+**/migrations
+
 # Node artifact files
 node_modules/
 dist/
diff --git a/README.md b/README.md
index 44b9240..cf882e5 100644
--- a/README.md
+++ b/README.md
@@ -11,11 +11,13 @@ This README aims to document functionality of backend as well as required steps
 
 - Clone repository:
 `git clone git@bitbucket.org:enreda/back-latienda.git`
-- From inside the project's folder:
+- Create file `.env` from `example.env` and populate fields correctly
+
+From inside the project's folder:
+- Make migrations:
 ```
 python manage.py makemigrations core companies products history stats
 python migrate
-
 ```
-
+- Start server in development mode: `python manage.py runserver`
 
diff --git a/back_latienda/settings/base.py b/back_latienda/settings/base.py
index 7401821..10a3aa2 100644
--- a/back_latienda/settings/base.py
+++ b/back_latienda/settings/base.py
@@ -100,6 +100,8 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
+AUTH_USER_MODEL = 'core.CustomUser'
+
 
 # Internationalization
 # https://docs.djangoproject.com/en/2.2/topics/i18n/
diff --git a/companies/migrations/__init__.py b/companies/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/core/models.py b/core/models.py
index 71a8362..bd48b8d 100644
--- a/core/models.py
+++ b/core/models.py
@@ -1,3 +1,61 @@
 from django.db import models
+from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
+from django.contrib.auth.models import PermissionsMixin
+
 
 # Create your models here.
+class UserManager(BaseUserManager):
+    use_in_migrations = True
+
+    def _create_user(self, email, password, **extra_fields):
+        """
+        Creates and saves a User with the given email and password.
+        """
+        if not email:
+            raise ValueError('The given email must be set')
+        email = self.normalize_email(email)
+        user = self.model(email=email, **extra_fields)
+        user.set_password(password)
+        user.save(using=self._db)
+        return user
+
+    def create_user(self, email, password=None, **extra_fields):
+        extra_fields.setdefault('is_superuser', False)
+        return self._create_user(email, password, **extra_fields)
+
+    def create_superuser(self, email, password, **extra_fields):
+        extra_fields.setdefault('is_superuser', True)
+        extra_fields.setdefault('is_staff', True)
+
+        if extra_fields.get('is_superuser') is not True:
+            raise ValueError('Superuser must have is_superuser=True.')
+
+        return self._create_user(email, password, **extra_fields)
+
+
+class CustomUser(AbstractBaseUser, PermissionsMixin):
+
+    email = models.EmailField('Dirección de email', unique=True)
+    full_name = models.CharField('Nombre completo', max_length=100, blank=True)
+    role = models.CharField('Rol', max_length=100, blank=True, null=True)
+    notify = models.BooleanField('Notificar', default=False, null=True)
+    provider = models.CharField('Proveedor', max_length=1000, blank=True, null=True) # red social de registro
+    email_verified = models.BooleanField('Email verificado', default=False, null=True)
+    company = None # models.ForeignKey(Empresa, null=True, on_delete=models.DO_NOTHING)
+
+    is_active = models.BooleanField('Activo', default=True)
+    is_staff = models.BooleanField('Empleado',default=False )
+
+    modified = models.DateTimeField(auto_now=True, null=True, blank=True)
+    created = models.DateTimeField(auto_now_add=True, null=True, blank=True)
+    last_visit = models.DateTimeField(auto_now=True)
+
+    objects = UserManager()
+
+    USERNAME_FIELD = 'email'
+    REQUIRED_FIELDS = []
+
+    class Meta:
+        verbose_name = 'Usuario'
+        verbose_name_plural = 'Usuarios'
+
diff --git a/history/migrations/__init__.py b/history/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/products/migrations/__init__.py b/products/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/stats/migrations/__init__.py b/stats/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000