diff --git a/Setup/Patch/Data/PersonalizationData.php b/Setup/Patch/Data/PersonalizationData.php
new file mode 100644
index 0000000..cd85641
--- /dev/null
+++ b/Setup/Patch/Data/PersonalizationData.php
@@ -0,0 +1,63 @@
+<?php declare(strict_types=1);
+
+namespace Phpro\CookieConsent\Setup\Patch\Data;
+
+use Magento\Framework\Setup\Patch\DataPatchInterface;
+use Magento\Store\Model\Store;
+use Phpro\CookieConsent\Api\CookieGroupRepositoryInterface;
+use Phpro\CookieConsent\Api\Data\CookieGroupInterface;
+use Phpro\CookieConsent\Model\CookieGroupFactory;
+
+class PersonalizationData implements DataPatchInterface
+{
+    /**
+     * @var CookieGroupFactory
+     */
+    private $cookieGroupFactory;
+
+    /**
+     * @var CookieGroupRepositoryInterface
+     */
+    private $cookieGroupRepository;
+
+
+    public function __construct(
+        CookieGroupFactory $cookieGroupFactory,
+        CookieGroupRepositoryInterface $cookieGroupRepository
+    ) {
+        $this->cookieGroupFactory = $cookieGroupFactory;
+        $this->cookieGroupRepository = $cookieGroupRepository;
+    }
+
+    public static function getDependencies()
+    {
+        return [
+            CookieGroupAttribute::class,
+            DefaultCookieData::class,
+        ];
+    }
+
+    public function getAliases()
+    {
+        return [];
+    }
+
+    public function apply()
+    {
+        $this->createDefaultGroups();
+    }
+
+    private function createDefaultGroups(): void
+    {
+        /** @var CookieGroupInterface $group */
+        $personalization = $this->cookieGroupFactory->create();
+        $personalization->setStoreId(Store::DEFAULT_STORE_ID);
+        $personalization->setSystemName('personalization');
+        $personalization->setName('Personalization');
+        $personalization->setActive(true);
+        $personalization->setEssential(false);
+        $personalization->setDescription('Personalization cookies are used for ad personalization and remarketing.');
+
+        $this->cookieGroupRepository->save($personalization);
+    }
+}
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index 8aef732..9213732 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -24,6 +24,14 @@
                     <comment>The value represent the expiration of the cookie in days..</comment>
                 </field>
             </group>
+            <group id="gtag" translate="label" type="text" sortOrder="20" showInDefault="1" showInWebsite="1" showInStore="1">
+                <label>Google Consent</label>
+                <field id="enabled" translate="label" type="select" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Enabled</label>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                    <comment>Enable the module to send the consent to Google using Gtag. It's important to have your Google Tag Manager initiated AFTER the 'phpro_cookie_gtag' block. This feature relies on the cookie groups with the following system names: 'essential', 'analytical', 'marketing' and 'personalization'</comment>
+                </field>
+            </group>
         </section>
     </system>
 </config>
diff --git a/etc/config.xml b/etc/config.xml
index 2a90e69..cc4fecf 100644
--- a/etc/config.xml
+++ b/etc/config.xml
@@ -7,6 +7,9 @@
                 <cookie_name_preferences>cookieConsentPrefs</cookie_name_preferences>
                 <cookie_expiration>182</cookie_expiration>
             </general>
+            <gtag>
+                <enabled>0</enabled>
+            </gtag>
         </phpro_cookie_consent>
     </default>
 </config>
diff --git a/view/frontend/layout/default.xml b/view/frontend/layout/default.xml
index d1ec3c6..28be596 100644
--- a/view/frontend/layout/default.xml
+++ b/view/frontend/layout/default.xml
@@ -1,6 +1,13 @@
 <?xml version="1.0"?>
 <page layout="3columns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
     <body>
+        <referenceContainer name="after.body.start">
+            <block name="phpro_cookie_gtag"
+                   template="Phpro_CookieConsent::gtag.phtml"
+                   ifconfig="phpro_cookie_consent/gtag/enabled"
+                   before="-"/>
+        </referenceContainer>
+
         <referenceContainer name="before.body.end">
             <block class="Magento\Framework\View\Element\Template"
                    name="phpro_cookie_consent_notice"
diff --git a/view/frontend/templates/gtag.phtml b/view/frontend/templates/gtag.phtml
new file mode 100644
index 0000000..315df5b
--- /dev/null
+++ b/view/frontend/templates/gtag.phtml
@@ -0,0 +1,37 @@
+<script>
+    window.dataLayer = window.dataLayer || [];
+
+    function gtag() {
+        console.log(arguments);
+        dataLayer.push(arguments);
+    }
+
+    if (localStorage.getItem('consentMode') === null) {
+        gtag('consent', 'default', {
+            'ad_storage': 'denied',
+            'analytics_storage': 'denied',
+            'personalization_storage': 'denied',
+            'functionality_storage': 'denied',
+            'security_storage': 'denied',
+            'ad_user_data': 'denied',
+            'ad_personalization': 'denied',
+        });
+    } else {
+        gtag('consent', 'default', JSON.parse(localStorage.getItem('consentMode')));
+    }
+
+    document.addEventListener('consent-changed', function (consent) {
+        const consentMode = {
+            'ad_storage': consent.marketing ? 'granted': 'denied',
+            'analytics_storage':  consent.analytical ? 'granted': 'denied',
+            'personalization_storage':  consent.personalization ? 'granted': 'denied',
+            'functionality_storage':  consent.essential ? 'granted': 'denied',
+            'security_storage':  consent.essential ? 'granted': 'denied',
+            'ad_user_data': consent.marketing ? 'granted': 'denied',
+            'ad_personalization':  consent.marketing && consent.personalization ? 'granted': 'denied',
+        };
+
+        gtag('consent', 'update', consentMode);
+        localStorage.setItem('consentMode', JSON.stringify(consentMode));
+    })
+</script>
diff --git a/view/frontend/web/js/model/cookie.js b/view/frontend/web/js/model/cookie.js
index 16c06af..38d20aa 100644
--- a/view/frontend/web/js/model/cookie.js
+++ b/view/frontend/web/js/model/cookie.js
@@ -9,7 +9,7 @@ define([
             return (!!$.cookie(name));
         },
 
-        getConsentCookieObject: function(name) {
+        getConsentCookieObject: function (name) {
             return $.cookie(name);
         },
 
@@ -24,6 +24,7 @@ define([
             data['expire'] = expiration;
             data['secure'] = secure;
             $.cookie(name, JSON.stringify(data), {expires: this.getExpiration(expiration)});
+            document.dispatchEvent(new Event('consent-changed', data));
         },
 
         saveSelected: function (name, expiration, secure, systemNames) {
@@ -36,6 +37,7 @@ define([
             data['expire'] = expiration;
             data['secure'] = secure;
             $.cookie(name, JSON.stringify(data), {expires: this.getExpiration(expiration)});
+            document.dispatchEvent(new Event('consent-changed', data));
         },
 
         closeCookieNotice: function () {
@@ -45,7 +47,7 @@ define([
         getExpiration: function (expiration) {
             var today = new Date();
             var expireDate = new Date(today);
-            expireDate.setDate(today.getDate()+expiration);
+            expireDate.setDate(today.getDate() + expiration);
 
             return expireDate;
         }