diff --git a/.travis.yml b/.travis.yml
index 9f031f7..5aa8a1c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,3 +22,4 @@ install:
 
 script:
   - vendor/bin/phpunit
+  - vendor/bin/phpcs .
diff --git a/Structural/Registry/Service.php b/Structural/Registry/Service.php
index e4204c8..2b364f3 100644
--- a/Structural/Registry/Service.php
+++ b/Structural/Registry/Service.php
@@ -1,9 +1,8 @@
 <?php
 
-
 namespace DesignPatterns\Structural\Registry;
 
+class Service
+{
 
-class Service {
-
-}
\ No newline at end of file
+}
diff --git a/composer.json b/composer.json
index 5ac245b..535b4d5 100644
--- a/composer.json
+++ b/composer.json
@@ -14,11 +14,12 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^8",
-        "squizlabs/php_codesniffer": "^3"
+        "squizlabs/php_codesniffer": "^3",
+        "flyeralarm/php-code-validator": "^2.2"
     },
     "autoload": {
         "psr-4": {
             "DesignPatterns\\": ""
         }
     }
-}
\ No newline at end of file
+}
diff --git a/composer.lock b/composer.lock
index 2908d09..3d46517 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7ded2124a559b6f94b21d8bb99c89e7a",
+    "content-hash": "d5270aabf0cc9417cf99d27e6819f0ad",
     "packages": [
         {
             "name": "psr/http-message",
@@ -114,6 +114,44 @@
             ],
             "time": "2019-03-17T17:37:11+00:00"
         },
+        {
+            "name": "flyeralarm/php-code-validator",
+            "version": "2.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/flyeralarm/php-code-validator.git",
+                "reference": "a663524e57ae92da51dd0afc62e58a8f678b2066"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/flyeralarm/php-code-validator/zipball/a663524e57ae92da51dd0afc62e58a8f678b2066",
+                "reference": "a663524e57ae92da51dd0afc62e58a8f678b2066",
+                "shasum": ""
+            },
+            "require": {
+                "squizlabs/php_codesniffer": "^3.0"
+            },
+            "bin": [
+                "bin/php-code-validator"
+            ],
+            "type": "config",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Daniel Müller",
+                    "email": "daniel.mueller@flyeralarm.com"
+                },
+                {
+                    "name": "Maximilian Grosch",
+                    "email": "maximilian.grosch@flyeralarm.com"
+                }
+            ],
+            "description": "A custom coding standard for FLYERALARM",
+            "time": "2019-08-22T07:12:50+00:00"
+        },
         {
             "name": "myclabs/deep-copy",
             "version": "1.9.3",
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
new file mode 100644
index 0000000..fef0afa
--- /dev/null
+++ b/phpcs.xml.dist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<ruleset name="Project Rules">
+    <directory>**/*.php</directory>
+    <exclude-pattern>vendor</exclude-pattern>
+    <arg value="sp"/>
+
+    <rule ref="vendor/flyeralarm/php-code-validator/ruleset.xml"/>
+</ruleset>