diff --git a/core/server/api/canary/invites.js b/core/server/api/canary/invites.js
index 2d598cbbda..152df218bd 100644
--- a/core/server/api/canary/invites.js
+++ b/core/server/api/canary/invites.js
@@ -1,7 +1,7 @@
 const Promise = require('bluebird');
 const {i18n} = require('../../lib/common');
 const errors = require('@tryghost/errors');
-const invites = require('../../services/invites/invites');
+const invites = require('../../services/invites');
 const models = require('../../models');
 const api = require('./index');
 const ALLOWED_INCLUDES = [];
diff --git a/core/server/api/v2/invites.js b/core/server/api/v2/invites.js
index 2d598cbbda..152df218bd 100644
--- a/core/server/api/v2/invites.js
+++ b/core/server/api/v2/invites.js
@@ -1,7 +1,7 @@
 const Promise = require('bluebird');
 const {i18n} = require('../../lib/common');
 const errors = require('@tryghost/errors');
-const invites = require('../../services/invites/invites');
+const invites = require('../../services/invites');
 const models = require('../../models');
 const api = require('./index');
 const ALLOWED_INCLUDES = [];
diff --git a/core/server/services/invites/index.js b/core/server/services/invites/index.js
new file mode 100644
index 0000000000..0655725d5e
--- /dev/null
+++ b/core/server/services/invites/index.js
@@ -0,0 +1,14 @@
+const settingsCache = require('../settings/cache');
+const {i18n} = require('../../lib/common');
+const mailService = require('../../services/mail');
+const logging = require('../../../shared/logging');
+const urlUtils = require('../../../shared/url-utils');
+const Invites = require('./invites');
+
+module.exports = new Invites({
+    settingsCache,
+    i18n,
+    logging,
+    mailService,
+    urlUtils
+});
diff --git a/core/server/services/invites/invites.js b/core/server/services/invites/invites.js
index edff87088e..edb90b5035 100644
--- a/core/server/services/invites/invites.js
+++ b/core/server/services/invites/invites.js
@@ -1,77 +1,82 @@
 const security = require('@tryghost/security');
-const mailService = require('../../services/mail');
-const urlUtils = require('../../../shared/url-utils');
-const settingsCache = require('../../services/settings/cache');
-const logging = require('../../../shared/logging');
-const {i18n} = require('../../lib/common');
 
-const add = ({api, InviteModel, invites, options, user}) => {
-    let invite;
-    let emailData;
+class Invites {
+    constructor({settingsCache, i18n, logging, mailService, urlUtils}) {
+        this.settingsCache = settingsCache;
+        this.i18n = i18n;
+        this.logging = logging;
+        this.mailService = mailService;
+        this.urlUtils = urlUtils;
+    }
 
-    return InviteModel.findOne({email: invites[0].email}, options)
-        .then((existingInvite) => {
-            if (!existingInvite) {
-                return;
-            }
+    add({api, InviteModel, invites, options, user}) {
+        let invite;
+        let emailData;
 
-            return existingInvite.destroy(options);
-        })
-        .then(() => {
-            return InviteModel.add(invites[0], options);
-        })
-        .then((createdInvite) => {
-            invite = createdInvite;
+        return InviteModel.findOne({email: invites[0].email}, options)
+            .then((existingInvite) => {
+                if (!existingInvite) {
+                    return;
+                }
 
-            const adminUrl = urlUtils.urlFor('admin', true);
+                return existingInvite.destroy(options);
+            })
+            .then(() => {
+                return InviteModel.add(invites[0], options);
+            })
+            .then((createdInvite) => {
+                invite = createdInvite;
 
-            emailData = {
-                blogName: settingsCache.get('title'),
-                invitedByName: user.name,
-                invitedByEmail: user.email,
-                resetLink: urlUtils.urlJoin(adminUrl, 'signup', security.url.encodeBase64(invite.get('token')), '/')
-            };
+                const adminUrl = this.urlUtils.urlFor('admin', true);
 
-            return mailService.utils.generateContent({data: emailData, template: 'invite-user'});
-        })
-        .then((emailContent) => {
-            const payload = {
-                mail: [{
-                    message: {
-                        to: invite.get('email'),
-                        subject: i18n.t('common.api.users.mail.invitedByName', {
-                            invitedByName: emailData.invitedByName,
-                            blogName: emailData.blogName
-                        }),
-                        html: emailContent.html,
-                        text: emailContent.text
-                    },
-                    options: {}
-                }]
-            };
+                emailData = {
+                    blogName: this.settingsCache.get('title'),
+                    invitedByName: user.name,
+                    invitedByEmail: user.email,
+                    resetLink: this.urlUtils.urlJoin(adminUrl, 'signup', security.url.encodeBase64(invite.get('token')), '/')
+                };
 
-            return api.mail.send(payload, {context: {internal: true}});
-        })
-        .then(() => {
-            return InviteModel.edit({
-                status: 'sent'
-            }, Object.assign({id: invite.id}, options));
-        })
-        .then((editedInvite) => {
-            return editedInvite;
-        })
-        .catch((err) => {
-            if (err && err.errorType === 'EmailError') {
-                const errorMessage = i18n.t('errors.api.invites.errorSendingEmail.error', {
-                    message: err.message
-                });
-                const helpText = i18n.t('errors.api.invites.errorSendingEmail.help');
-                err.message = `${errorMessage} ${helpText}`;
-                logging.warn(err.message);
-            }
+                return this.mailService.utils.generateContent({data: emailData, template: 'invite-user'});
+            })
+            .then((emailContent) => {
+                const payload = {
+                    mail: [{
+                        message: {
+                            to: invite.get('email'),
+                            subject: this.i18n.t('common.api.users.mail.invitedByName', {
+                                invitedByName: emailData.invitedByName,
+                                blogName: emailData.blogName
+                            }),
+                            html: emailContent.html,
+                            text: emailContent.text
+                        },
+                        options: {}
+                    }]
+                };
 
-            return Promise.reject(err);
-        });
-};
+                return api.mail.send(payload, {context: {internal: true}});
+            })
+            .then(() => {
+                return InviteModel.edit({
+                    status: 'sent'
+                }, Object.assign({id: invite.id}, options));
+            })
+            .then((editedInvite) => {
+                return editedInvite;
+            })
+            .catch((err) => {
+                if (err && err.errorType === 'EmailError') {
+                    const errorMessage = this.i18n.t('errors.api.invites.errorSendingEmail.error', {
+                        message: err.message
+                    });
+                    const helpText = this.i18n.t('errors.api.invites.errorSendingEmail.help');
+                    err.message = `${errorMessage} ${helpText}`;
+                    this.logging.warn(err.message);
+                }
 
-module.exports.add = add;
+                return Promise.reject(err);
+            });
+    }
+}
+
+module.exports = Invites;