diff --git a/assets/js/src/announcements/free_plan_announcement.jsx b/assets/js/src/announcements/free_plan_announcement.jsx
index 49d16d0069..b422e0269b 100644
--- a/assets/js/src/announcements/free_plan_announcement.jsx
+++ b/assets/js/src/announcements/free_plan_announcement.jsx
@@ -1,6 +1,5 @@
 import React from 'react';
 import MailPoet from 'mailpoet';
-import addReferralId from 'referral_url_decorator.jsx';
 
 class FreePlanAnnouncement extends React.Component {
   constructor(props) {
@@ -33,7 +32,7 @@ class FreePlanAnnouncement extends React.Component {
           <p>{MailPoet.I18n.t('freePlanDescription')}</p>
           <a
             className="button-primary"
-            href={addReferralId('https://www.mailpoet.com/free-plan/')}
+            href={MailPoet.MailPoetUrlFactory.getFreePlanUrl()}
             target="_blank"
             rel="noopener noreferrer"
           >
diff --git a/assets/js/src/listing/notices.jsx b/assets/js/src/listing/notices.jsx
index 81638e9fad..f6c0ddeec7 100644
--- a/assets/js/src/listing/notices.jsx
+++ b/assets/js/src/listing/notices.jsx
@@ -2,7 +2,6 @@ import React from 'react';
 import MailPoet from 'mailpoet';
 import PropTypes from 'prop-types';
 import ReactStringReplace from 'react-string-replace';
-import addReferralId from 'referral_url_decorator.jsx';
 
 const resumeMailerSending = () => {
   MailPoet.Ajax.post({
@@ -116,7 +115,7 @@ const PHPMailerCheckSettingsNotice = () => (
     </p>
     <p>
       <a
-        href={addReferralId('https://www.mailpoet.com/free-plan/?utm_source=plugin&utm_campaign=sending-error')}
+        href={MailPoet.MailPoetUrlFactory.getFreePlanUrl('sending-error')}
         target="_blank"
         rel="noopener noreferrer"
       >
diff --git a/assets/js/src/mailpoet.js b/assets/js/src/mailpoet.js
index 17d9fc36fc..6a841a1d1d 100644
--- a/assets/js/src/mailpoet.js
+++ b/assets/js/src/mailpoet.js
@@ -1,8 +1,10 @@
 import FeaturesController from 'features_controller';
+import MailPoetUrlFactory from 'mailpoet_url_factory';
 
 // A placeholder for MailPoet object
 var MailPoet = {
   FeaturesController: FeaturesController(window.mailpoet_feature_flags),
+  MailPoetUrlFactory: MailPoetUrlFactory(window.mailpoet_referral_id),
 };
 
 // Expose MailPoet globally
diff --git a/assets/js/src/mailpoet_url_factory.js b/assets/js/src/mailpoet_url_factory.js
new file mode 100644
index 0000000000..63131ee28e
--- /dev/null
+++ b/assets/js/src/mailpoet_url_factory.js
@@ -0,0 +1,27 @@
+const addReferralId = (url, referralId) => {
+  if (!referralId) {
+    return url;
+  }
+  const refUrl = new URL(url);
+  refUrl.searchParams.set('ref', referralId);
+  return refUrl.toString();
+};
+
+const MailPoetUrlFactory = referralId => ({
+  getFreePlanUrl: (utmCampaign = null, utmMedium = null) => {
+    const url = new URL(addReferralId('https://www.mailpoet.com/free-plan/?utm_source=plugin', referralId));
+    if (utmCampaign) {
+      url.searchParams.set('utm_campaign', utmCampaign);
+    }
+    if (utmMedium) {
+      url.searchParams.set('utm_medium', utmMedium);
+    }
+    return url.toString();
+  },
+
+  getPricingPageUrl: subscribersCount => (
+    addReferralId(`https://www.mailpoet.com/pricing/?subscribers=${subscribersCount}`, referralId)
+  ),
+});
+
+export default MailPoetUrlFactory;
diff --git a/assets/js/src/newsletter_editor/components/sidebar.js b/assets/js/src/newsletter_editor/components/sidebar.js
index 55b97eea25..5d51db20e4 100644
--- a/assets/js/src/newsletter_editor/components/sidebar.js
+++ b/assets/js/src/newsletter_editor/components/sidebar.js
@@ -7,7 +7,6 @@ import Marionette from 'backbone.marionette';
 import SuperModel from 'backbone.supermodel';
 import _ from 'underscore';
 import jQuery from 'jquery';
-import addReferralId from 'referral_url_decorator.jsx';
 
 var Module = {};
 var SidebarView;
@@ -352,7 +351,7 @@ Module.SidebarPreviewView = Marionette.View.extend({
                   <p>${MailPoet.I18n.t('newsletterPreviewErrorUseSendingService')}</p>
                   <p>
                     <a
-                      href=${addReferralId('https://www.mailpoet.com/free-plan/?utm_source=plugin&utm_campaign=sending-error')}
+                      href=${MailPoet.MailPoetUrlFactory.getFreePlanUrl('plugin', 'sending-error')}
                       target="_blank"
                       rel="noopener noreferrer"
                     >
diff --git a/assets/js/src/newsletters/campaign_stats/premium_banner.jsx b/assets/js/src/newsletters/campaign_stats/premium_banner.jsx
index bef9aa22b0..0dc6295a4d 100644
--- a/assets/js/src/newsletters/campaign_stats/premium_banner.jsx
+++ b/assets/js/src/newsletters/campaign_stats/premium_banner.jsx
@@ -1,6 +1,5 @@
 import React from 'react';
 import MailPoet from 'mailpoet';
-import addReferralId from 'referral_url_decorator.jsx';
 
 const PremiumBanner = () => {
   if (window.mailpoet_premium_active) {
@@ -12,7 +11,7 @@ const PremiumBanner = () => {
     ctaButton = (
       <a
         className="button"
-        href={addReferralId('https://www.mailpoet.com/free-plan/')}
+        href={MailPoet.MailPoetUrlFactory.getFreePlanUrl()}
         target="_blank"
         rel="noopener noreferrer"
       >
@@ -23,7 +22,7 @@ const PremiumBanner = () => {
     ctaButton = (
       <a
         className="button"
-        href={addReferralId(`https://www.mailpoet.com/pricing/?subscribers=${window.mailpoet_subscribers_count}`)}
+        href={MailPoet.MailPoetUrlFactory.getPricingPageUrl(window.mailpoet_subscribers_count)}
         target="_blank"
         rel="noopener noreferrer"
       >
diff --git a/assets/js/src/referral_url_decorator.jsx b/assets/js/src/referral_url_decorator.jsx
deleted file mode 100644
index bebb86d2ee..0000000000
--- a/assets/js/src/referral_url_decorator.jsx
+++ /dev/null
@@ -1,10 +0,0 @@
-const addReferralId = (url) => {
-  if (!window.mailpoet_referral_id) {
-    return url;
-  }
-  const refUrl = new URL(url);
-  refUrl.searchParams.set('ref', window.mailpoet_referral_id);
-  return refUrl.toString();
-};
-
-export default addReferralId;