diff --git a/app/helpers/organisation_helper.rb b/app/helpers/organisation_helper.rb
index 68fa98242..9f95c339d 100644
--- a/app/helpers/organisation_helper.rb
+++ b/app/helpers/organisation_helper.rb
@@ -8,4 +8,18 @@ module OrganisationHelper
       current_organisation.name
     end
   end
+
+  def display_organisation_attributes(organisation)
+    [
+      { name: "Name", value: organisation.name, editable: true },
+      { name: "Organisation ID", value: "ORG#{organisation.id}", editable: false },
+      { name: "Address", value: organisation.address_string, editable: true },
+      { name: "Telephone number", value: organisation.phone, editable: true },
+      { name: "Type of provider", value: organisation.display_provider_type, editable: false },
+      { name: "Registration number", value: organisation.housing_registration_no || "", editable: false },
+      { name: "Rent periods", value: organisation.rent_period_labels, editable: false, format: :bullet },
+      { name: "Owns housing stock", value: organisation.holds_own_stock ? "Yes" : "No", editable: false },
+      { name: "Status", value: status_tag(organisation.status), editable: false },
+    ]
+  end
 end
diff --git a/app/helpers/tag_helper.rb b/app/helpers/tag_helper.rb
index 5a7498b78..9a86a04fe 100644
--- a/app/helpers/tag_helper.rb
+++ b/app/helpers/tag_helper.rb
@@ -13,6 +13,7 @@ module TagHelper
     reactivating_soon: "Reactivating soon",
     deactivated: "Deactivated",
     deleted: "Deleted",
+    merged: "Merged",
   }.freeze
 
   COLOUR = {
@@ -27,6 +28,7 @@ module TagHelper
     reactivating_soon: "blue",
     deactivated: "grey",
     deleted: "red",
+    merged: "green",
   }.freeze
 
   def status_tag(status, classes = [])
diff --git a/app/models/organisation.rb b/app/models/organisation.rb
index 91c091720..c050fef06 100644
--- a/app/models/organisation.rb
+++ b/app/models/organisation.rb
@@ -102,19 +102,6 @@ class Organisation < ApplicationRecord
     DISPLAY_PROVIDER_TYPE[provider_type.to_sym]
   end
 
-  def display_organisation_attributes
-    [
-      { name: "Name", value: name, editable: true },
-      { name: "Organisation ID", value: "ORG#{id}", editable: false },
-      { name: "Address", value: address_string, editable: true },
-      { name: "Telephone number", value: phone, editable: true },
-      { name: "Type of provider", value: display_provider_type, editable: false },
-      { name: "Registration number", value: housing_registration_no || "", editable: false },
-      { name: "Rent periods", value: rent_period_labels, editable: false, format: :bullet },
-      { name: "Owns housing stock", value: holds_own_stock ? "Yes" : "No", editable: false },
-    ]
-  end
-
   def has_managing_agents?
     managing_agents.count.positive?
   end
@@ -122,4 +109,14 @@ class Organisation < ApplicationRecord
   def has_stock_owners?
     stock_owners.count.positive?
   end
+
+  def status
+    @status ||= status_at(Time.zone.now)
+  end
+
+  def status_at(date)
+    return :merged if merge_date.present? && merge_date < date
+
+    :active
+  end
 end
diff --git a/app/views/organisations/_organisation_list.html.erb b/app/views/organisations/_organisation_list.html.erb
index 389dff6b7..6a68433be 100644
--- a/app/views/organisations/_organisation_list.html.erb
+++ b/app/views/organisations/_organisation_list.html.erb
@@ -14,6 +14,9 @@
         <% row.cell(header: true, text: "Type", html_attributes: {
           scope: "col",
         }) %>
+        <% row.cell(header: true, text: "Status", html_attributes: {
+          scope: "col",
+        }) %>
       <% end %>
     <% end %>
     <% @organisations.each do |organisation| %>
@@ -26,6 +29,7 @@
           <% end %>
           <% row.cell(text: organisation.housing_registration_no) %>
           <% row.cell(text: organisation.display_provider_type) %>
+          <% row.cell(text: status_tag(organisation.status)) %>
         <% end %>
       <% end %>
     <% end %>
diff --git a/app/views/organisations/show.html.erb b/app/views/organisations/show.html.erb
index 07af1970a..763aed4ac 100644
--- a/app/views/organisations/show.html.erb
+++ b/app/views/organisations/show.html.erb
@@ -14,7 +14,7 @@
 <div class="govuk-grid-row">
   <div class="govuk-grid-column-two-thirds-from-desktop">
     <%= govuk_summary_list do |summary_list| %>
-      <% @organisation.display_organisation_attributes.each do |attr| %>
+      <% display_organisation_attributes(@organisation).each do |attr| %>
         <% if can_edit_org?(current_user) && attr[:editable] %>
           <%= summary_list.row do |row| %>
             <% row.key { attr[:name] } %>
diff --git a/db/schema.rb b/db/schema.rb
index 111396ef3..177e171a9 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: 2023_07_10_101532) do
+ActiveRecord::Schema[7.0].define(version: 2023_07_18_151955) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -432,6 +432,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_07_10_101532) do
     t.integer "unspecified_units"
     t.string "old_org_id"
     t.string "old_visible_id"
+    t.datetime "merge_date"
     t.index ["old_visible_id"], name: "index_organisations_on_old_visible_id", unique: true
   end