diff --git a/app/constants/global_constants.rb b/app/constants/global_constants.rb
index 4066fb1d4..3e7f086fb 100644
--- a/app/constants/global_constants.rb
+++ b/app/constants/global_constants.rb
@@ -1,5 +1,5 @@
 module GlobalConstants
-  HELPDESK_URL = "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11".freeze
+  HELPDESK_URL = "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54".freeze
 
   COUNTRIES_ANSWER_OPTIONS = {
     "" => "Select an option",
diff --git a/app/views/content/accessibility_statement.md b/app/views/content/accessibility_statement.md
index 1d861fdcf..5814a3778 100644
--- a/app/views/content/accessibility_statement.md
+++ b/app/views/content/accessibility_statement.md
@@ -27,16 +27,16 @@ We know some parts of this website are not fully accessible:
 
 If you need information on this website in a different format like accessible PDF, large print, easy read, audio recording or braille, you can contact us by:
 
-- email: [mhclg.digital-services@communities.gov.uk](mailto: mhclg.digital-services@communities.gov.uk)
+- email: [svc-SubmitCOREData@communities.gov.uk](mailto:svc-SubmitCOREData@communities.gov.uk)
 - phone: 0333 202 5084
 
 We’ll consider your request and get back to you in 2 working days.
 
-You can also [contact us through the helpdesk](https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11).
+You can also [contact us through the helpdesk](<%= GlobalConstants::HELPDESK_URL %>).
 
 ### Reporting accessibility problems with this website
 
-We’re always looking to improve the accessibility of this website. If you find any problems not listed on this page or think we’re not meeting accessibility requirements, [contact the helpdesk](https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11).
+We’re always looking to improve the accessibility of this website. If you find any problems not listed on this page or think we’re not meeting accessibility requirements, [contact the helpdesk](<%= GlobalConstants::HELPDESK_URL %>).
 
 ### Enforcement procedure
 
diff --git a/app/views/start/index.html.erb b/app/views/start/index.html.erb
index 491d68d49..08fc053d6 100644
--- a/app/views/start/index.html.erb
+++ b/app/views/start/index.html.erb
@@ -21,7 +21,7 @@
     <h2 class="govuk-heading-m">Before you start</h2>
     <p class="govuk-body">Use your account details to sign in.</p>
     <p class="govuk-body">If you need to set up a new account, speak to your organisation’s CORE data coordinator. If you don’t know who that is, <%= govuk_link_to("contact the helpdesk", GlobalConstants::HELPDESK_URL) %>.</p>
-    <p class="govuk-body">You can <%= govuk_mail_to("mhclg.digital-services@communities.gov.uk", "request an account", subject: "CORE: Request a new account") %> if your organisation doesn’t have one.</p>
+    <p class="govuk-body">You can <%= govuk_mail_to("svc-SubmitCOREData@communities.gov.uk", "request an account", subject: "CORE: Request a new account") %> if your organisation doesn’t have one.</p>
     <p class="govuk-body"><strong><%= govuk_link_to guidance_path do %>Guidance for submitting social housing lettings and sales data (CORE)<% end %></strong></p>
     <hr class="govuk-section-break govuk-section-break--visible govuk-section-break--m govuk-!-margin-top-8 govuk-!-margin-bottom-8">
     <%= render partial: "layouts/collection_resources" %>
diff --git a/spec/components/data_protection_confirmation_banner_component_spec.rb b/spec/components/data_protection_confirmation_banner_component_spec.rb
index 0beeca626..99eaaaa51 100644
--- a/spec/components/data_protection_confirmation_banner_component_spec.rb
+++ b/spec/components/data_protection_confirmation_banner_component_spec.rb
@@ -31,7 +31,7 @@ RSpec.describe DataProtectionConfirmationBannerComponent, type: :component do
         expect(component.display_banner?).to be(true)
         expect(render).to have_link(
           "Contact helpdesk to assign a data protection officer",
-          href: "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11",
+          href: "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54",
         )
         expect(render).to have_selector("p", text: "To create logs your organisation must state a data protection officer. They must sign the Data Sharing Agreement.")
       end
diff --git a/spec/mailers/csv_download_mailer_spec.rb b/spec/mailers/csv_download_mailer_spec.rb
index 138a0e4ce..dd5c2c62d 100644
--- a/spec/mailers/csv_download_mailer_spec.rb
+++ b/spec/mailers/csv_download_mailer_spec.rb
@@ -42,7 +42,7 @@ RSpec.describe CsvDownloadMailer do
 ## Missing town or city
 The town or city in some logs is missing. This data is required in the new version of CORE.\n",
           how_to_fix: "You need to:\n
-- download [this spreadsheet for lettings logs](#{link}). This link will expire in one week. To request another link, [contact the CORE helpdesk](https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11).
+- download [this spreadsheet for lettings logs](#{link}). This link will expire in one week. To request another link, [contact the CORE helpdesk](https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54).
 - fill in the missing address data
 - check that the existing address data is correct\n",
           duration: "20 minutes",
@@ -70,7 +70,7 @@ In some of your logs, the UPRN is the same as the purchaser code, but these are
 
 If a log has the correct UPRN, leave the UPRN unchanged. If the UPRN is incorrect, clear the value and provide the full address instead. Alternatively, you can change the UPRN on the CORE system.\n",
           how_to_fix: "You need to:\n
-- download [this spreadsheet for sales logs](#{link}). This link will expire in one week. To request another link, [contact the CORE helpdesk](https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11).
+- download [this spreadsheet for sales logs](#{link}). This link will expire in one week. To request another link, [contact the CORE helpdesk](https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54).
 - check that the address data is correct
 - correct any address errors\n",
           duration: "20 minutes",
diff --git a/spec/requests/content_controller_spec.rb b/spec/requests/content_controller_spec.rb
index 28d01b249..3f47fbb88 100644
--- a/spec/requests/content_controller_spec.rb
+++ b/spec/requests/content_controller_spec.rb
@@ -31,6 +31,11 @@ RSpec.describe ContentController, type: :request do
       it "returns the page" do
         expect(page).to have_title("Accessibility statement")
       end
+
+      it "links to the helpdesk" do
+        expect(page).to have_link("contact us through the helpdesk", href: "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54")
+        expect(page).to have_link("contact the helpdesk", href: "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54")
+      end
     end
 
     describe "render data sharing agreement" do
diff --git a/spec/requests/organisations_controller_spec.rb b/spec/requests/organisations_controller_spec.rb
index 35be9454b..257cd2179 100644
--- a/spec/requests/organisations_controller_spec.rb
+++ b/spec/requests/organisations_controller_spec.rb
@@ -497,7 +497,7 @@ RSpec.describe OrganisationsController, type: :request do
 
           it "displays a link to merge organisations" do
             expect(page).to have_content("To report a merge or update your organisation details, ")
-            expect(page).to have_link("contact the helpdesk", href: "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/6/group/11")
+            expect(page).to have_link("contact the helpdesk", href: "https://mhclgdigital.atlassian.net/servicedesk/customer/portal/54")
           end
 
           it "does not display merge history if there is none" do