diff --git a/app/services/user_service.py b/app/services/user_service.py
new file mode 100644
index 0000000..442b5b6
--- /dev/null
+++ b/app/services/user_service.py
@@ -0,0 +1,39 @@
+from werkzeug.datastructures import ImmutableMultiDict
+from flask import flash
+from app.models.user import User
+from app.extensions import db
+from app.utils.alert_type import AlertType
+from app.utils.errors.users.user_register_errors import UserRegisterErrors
+from app.utils.flash_message import FlashMessage
+from app.utils.validators import UserValidators
+class UserService:
+  
+  @staticmethod
+  def register_user(form: ImmutableMultiDict):
+    try:
+      name: str = UserValidators.is_valid_user_name(form.get("name"))
+      lastname: str = UserValidators.is_valid_user_name(form.get("lastname"),True)
+      birth_date = UserValidators.is_valid_birth_date(form.get("birthdate"))
+      phone_number: str = UserValidators.is_valid_phone_number(form.get("phonenumber"))
+      email: str = UserValidators.is_valid_email(form.get("email"))
+      password: str = form.get("password")
+      password_confirmation: str = form.get("password_confirmation")
+      address: str = UserValidators.is_valid_address(form.get("address"))
+      
+      new_user = User(
+        username="test", 
+        name=name, 
+        lastname=lastname, 
+        email=email, 
+        password=UserValidators.passwords_match(password, password_confirmation),
+        birth_date= birth_date,
+        address=address,
+        phone_number=phone_number
+      )
+
+      db.session.add(new_user)
+      db.session.commit()
+      db.session.flush()
+    except UserRegisterErrors as e:
+      flash(FlashMessage(e.message, AlertType.DANGER.value ))
+      db.session.rollback()
\ No newline at end of file
diff --git a/app/users/routes.py b/app/users/routes.py
index 0e240ed..a406e37 100644
--- a/app/users/routes.py
+++ b/app/users/routes.py
@@ -1,4 +1,5 @@
-from flask import render_template
+from flask import request, render_template
+from app.services.user_service import UserService
 from app.users import bp
 from app.utils.form_errors_dict import FORM_ERRORS
 @bp.route('/')
@@ -9,6 +10,8 @@ def index():
 def login():
     return render_template("users/login.html")
 
-@bp.route('/register')
+@bp.route('/register', methods=["GET", "POST"])
 def register():
+    if request.method == 'POST':
+        UserService.register_user(request.form)
     return render_template("users/register.html", FORM_ERRORS=FORM_ERRORS)
diff --git a/app/utils/errors/users/user_register_errors.py b/app/utils/errors/users/user_register_errors.py
new file mode 100644
index 0000000..6aaeaf8
--- /dev/null
+++ b/app/utils/errors/users/user_register_errors.py
@@ -0,0 +1,4 @@
+class UserRegisterErrors(Exception):
+  def __init__(self, message):
+    self.message = message
+    super().__init__(self.message)
\ No newline at end of file
diff --git a/app/utils/validators.py b/app/utils/validators.py
new file mode 100644
index 0000000..fb0bdd0
--- /dev/null
+++ b/app/utils/validators.py
@@ -0,0 +1,64 @@
+from datetime import date
+from typing import Optional
+from app.utils.errors.users.user_register_errors import UserRegisterErrors
+import re
+class UserValidators:
+  
+  @staticmethod
+  def is_valid_user_name(name: Optional[str], isLastname=False):
+    if(UserValidators.is_valid_str_and_pattern(name, '^[A-Za-z ]{2,255}$')):
+        return name
+    if(isLastname):
+      raise UserRegisterErrors("Invalid user lastname")
+    raise UserRegisterErrors("Invalid user name")
+  
+  @staticmethod
+  def is_valid_birth_date(birth_date: Optional[str]):
+    if(UserValidators.is_valid_str_and_pattern(birth_date, '^\d{4}-\d{2}-\d{2}$')):
+      try:
+        birth_date = [int(n) for n in (str(birth_date)).split("-")]
+        return date(birth_date[0], birth_date[1], birth_date[2])
+      except:
+        raise UserRegisterErrors("Invalid user birthdate")
+    raise UserRegisterErrors("Invalid user birthdate")
+
+  @staticmethod
+  def is_valid_phone_number(phone_number: Optional[str]):
+    if(UserValidators.is_valid_str_and_pattern(phone_number, '^(\+\d{1,3}){0,1}[0-9]{7,255}$')):
+      return phone_number
+    raise UserRegisterErrors("Invalid user phone number")  
+
+  @staticmethod
+  def is_valid_email(email: Optional[str]):
+    if(UserValidators.is_valid_str_and_pattern(email, '^[A-Za-z0-9._%+\-]+@[A-Za-z0-9.\-]+\.[A-Za-z]{2,}$')):
+      if(len(email) <= 255):
+        return email
+    raise UserRegisterErrors("Invalid user email")
+  
+  @staticmethod
+  def is_valid_address(address: Optional[str]):
+    if(isinstance(address, str) and len(address) <= 255):
+      return address
+    raise UserRegisterErrors("Invalid user address")
+
+  @staticmethod
+  def is_valid_str_and_pattern(string: Optional[str], pattern: str):
+    if(isinstance(string, str)):
+      regex = re.compile(pattern)
+      if(regex.match(string) is not None):
+        return True
+    return False
+  
+  @staticmethod
+  def is_valid_password(password: str):
+    if(isinstance(password, str)):
+      password_len = len(password)
+      if(password_len >= 6 and password_len <= 255):
+        return password
+    raise UserRegisterErrors("Invalid user password")
+  
+  @staticmethod
+  def passwords_match(password: str, password_confirmation: str):
+    if(UserValidators.is_valid_password(password) == UserValidators.is_valid_password(password_confirmation)):
+      return password
+    raise UserRegisterErrors("User password and password confirmation don't match")
\ No newline at end of file