diff --git a/app/controllers/merge_requests_controller.rb b/app/controllers/merge_requests_controller.rb
index c34e00581..65bedb6ca 100644
--- a/app/controllers/merge_requests_controller.rb
+++ b/app/controllers/merge_requests_controller.rb
@@ -6,6 +6,7 @@ class MergeRequestsController < ApplicationController
 
   def absorbing_organisation; end
   def merge_date; end
+  def existing_absorbing_organisation; end
   def helpdesk_ticket; end
   def merge_start_confirmation; end
   def user_outcomes; end
@@ -86,6 +87,8 @@ private
     when "merging_organisations"
       merge_date_merge_request_path(@merge_request)
     when "merge_date"
+      existing_absorbing_organisation_merge_request_path(@merge_request)
+    when "existing_absorbing_organisation"
       helpdesk_ticket_merge_request_path(@merge_request)
     when "helpdesk_ticket"
       merge_request_path(@merge_request)
@@ -115,6 +118,7 @@ private
       :status,
       :absorbing_organisation_id,
       :merge_date,
+      :existing_absorbing_organisation,
     )
 
     merge_params[:requesting_organisation_id] = current_user.organisation.id
@@ -140,6 +144,10 @@ private
       else
         @merge_request.errors.add(:merge_date, :invalid)
       end
+    when "existing_absorbing_organisation"
+      if merge_request_params[:existing_absorbing_organisation].nil?
+        @merge_request.errors.add(:existing_absorbing_organisation, :blank)
+      end
     end
   end
 
diff --git a/app/helpers/merge_requests_helper.rb b/app/helpers/merge_requests_helper.rb
index 23623b0a6..31e6fb807 100644
--- a/app/helpers/merge_requests_helper.rb
+++ b/app/helpers/merge_requests_helper.rb
@@ -67,8 +67,10 @@ module MergeRequestsHelper
       absorbing_organisation_merge_request_path(merge_request)
     when "merge_date"
       merging_organisations_merge_request_path(merge_request)
-    when "helpdesk_ticket"
+    when "existing_absorbing_organisation"
       merge_date_merge_request_path(merge_request)
+    when "helpdesk_ticket"
+      existing_absorbing_organisation_merge_request_path(merge_request)
     end
   end
 
diff --git a/app/views/merge_requests/existing_absorbing_organisation.html.erb b/app/views/merge_requests/existing_absorbing_organisation.html.erb
new file mode 100644
index 000000000..9a13905b5
--- /dev/null
+++ b/app/views/merge_requests/existing_absorbing_organisation.html.erb
@@ -0,0 +1,24 @@
+<% content_for :before_content do %>
+  <% title = "Tell us if your organisation is merging" %>
+  <% content_for :title, title %>
+  <%= govuk_back_link href: merge_request_back_link(@merge_request, "existing_absorbing_organisation", request.query_parameters["referrer"]) %>
+<% end %>
+ <div class="govuk-grid-row">
+    <div class="govuk-grid-column-two-thirds-from-desktop">
+    <%= form_with model: @merge_request, url: submit_merge_request_url(request.query_parameters["referrer"]), method: :patch do |f| %>
+      <%= f.govuk_error_summary %>
+      <%= f.govuk_radio_buttons_fieldset :existing_absorbing_organisation,
+                                        legend: { text: "Was #{@merge_request.absorbing_organisation&.name} already active before the merge date?", size: "l" } do %>
+        <%= f.govuk_radio_button :existing_absorbing_organisation,
+                                "true",
+                                label: { text: "Yes, this organisation existed before the merge" } %>
+        <%= f.govuk_radio_button :existing_absorbing_organisation,
+                                "false",
+                                label: { text: "No, it is a new organisation created by this merge" } %>
+      <% end %>
+
+      <%= f.hidden_field :page, value: "existing_absorbing_organisation" %>
+      <%= f.govuk_submit submit_merge_request_button_text(request.query_parameters["referrer"]) %>
+    <% end %>
+  </div>
+</div>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 649ec358a..7d52a92e0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -179,6 +179,8 @@ en:
             merge_date: 
               blank: "Enter a merge date"
               invalid: "Enter a valid merge date"
+            existing_absorbing_organisation:
+              blank: "You must answer absorbing organisation already active?"
 
   notification:
     logs_deleted:
diff --git a/config/routes.rb b/config/routes.rb
index d8e61c04b..a22324ef3 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -208,6 +208,7 @@ Rails.application.routes.draw do
       get "merging-organisations/remove", to: "merge_requests#remove_merging_organisation"
       get "absorbing-organisation"
       get "merge-date"
+      get "existing-absorbing-organisation"
       get "helpdesk-ticket"
       get "merge-start-confirmation"
       get "user-outcomes"
diff --git a/db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb b/db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb
new file mode 100644
index 000000000..f1a0d8b1e
--- /dev/null
+++ b/db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb
@@ -0,0 +1,5 @@
+class AddExistingAbsorbingOrganisationField < ActiveRecord::Migration[7.0]
+  def change
+    add_column :merge_requests, :existing_absorbing_organisation, :boolean
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index cb4a44e44..449d7ece2 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2024_08_19_143150) do
+ActiveRecord::Schema[7.0].define(version: 2024_08_22_080228) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -434,6 +434,7 @@ ActiveRecord::Schema[7.0].define(version: 2024_08_19_143150) do
     t.datetime "last_failed_attempt"
     t.boolean "request_merged"
     t.boolean "processing"
+    t.boolean "existing_absorbing_organisation"
   end
 
   create_table "notifications", force: :cascade do |t|
diff --git a/spec/requests/merge_requests_controller_spec.rb b/spec/requests/merge_requests_controller_spec.rb
index 30941360e..1571c5f98 100644
--- a/spec/requests/merge_requests_controller_spec.rb
+++ b/spec/requests/merge_requests_controller_spec.rb
@@ -219,6 +219,23 @@ RSpec.describe MergeRequestsController, type: :request do
       end
     end
 
+    describe "#existing_absorbing_organisation" do
+      context "when viewing helpdesk ticket page" do
+        before do
+          merge_request.update!(absorbing_organisation_id: organisation.id, merge_date: Time.zone.today)
+          get "/merge-request/#{merge_request.id}/existing-absorbing-organisation", headers:
+        end
+
+        it "shows the correct content" do
+          expect(page).to have_content("Was #{merge_request.absorbing_organisation.name} already active before the merge date?")
+          expect(page).to have_content("Yes, this organisation existed before the merge")
+          expect(page).to have_content("No, it is a new organisation created by this merge")
+          expect(page).to have_link("Back", href: merge_date_merge_request_path(merge_request))
+          expect(page).to have_button("Save and continue")
+        end
+      end
+    end
+
     describe "#helpdesk_ticket" do
       context "when viewing helpdesk ticket page" do
         before do
@@ -228,6 +245,8 @@ RSpec.describe MergeRequestsController, type: :request do
 
         it "shows the correct content" do
           expect(page).to have_content("Which helpdesk ticket reported this merge?")
+          expect(page).to have_link("Back", href: existing_absorbing_organisation_merge_request_path(merge_request))
+          expect(page).to have_button("Save and continue")
         end
       end
     end
@@ -365,10 +384,10 @@ RSpec.describe MergeRequestsController, type: :request do
             patch "/merge-request/#{merge_request.id}", headers:, params:
           end
 
-          it "redirects to helpdesk ticket path" do
+          it "redirects to existing absorbing organisation path" do
             request
 
-            expect(response).to redirect_to(helpdesk_ticket_merge_request_path(merge_request))
+            expect(response).to redirect_to(existing_absorbing_organisation_merge_request_path(merge_request))
           end
 
           it "updates merge_date" do
@@ -400,6 +419,29 @@ RSpec.describe MergeRequestsController, type: :request do
           end
         end
       end
+
+      describe "from existing_absorbing_organisation page" do
+        context "when not answering the question" do
+          let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: other_organisation) }
+          let(:params) do
+            { merge_request: { page: "existing_absorbing_organisation" } }
+          end
+          let(:request) do
+            patch "/merge-request/#{merge_request.id}", headers:, params:
+          end
+
+          it "renders the error" do
+            request
+
+            expect(response).to have_http_status(:unprocessable_entity)
+            expect(page).to have_content("You must answer absorbing organisation already active?")
+          end
+
+          it "does not update the request" do
+            expect { request }.not_to(change { merge_request.reload.attributes })
+          end
+        end
+      end
     end
 
     describe "#merge_start_confirmation" do