diff --git a/app/models/sales_log.rb b/app/models/sales_log.rb
index bf059cc88..bea629e17 100644
--- a/app/models/sales_log.rb
+++ b/app/models/sales_log.rb
@@ -33,6 +33,8 @@ class SalesLog < Log
   before_validation :set_derived_fields!
   before_validation :process_uprn_change!, if: :should_process_uprn_change?
 
+  belongs_to :managing_organisation, class_name: "Organisation", optional: true
+
   scope :filter_by_year, ->(year) { where(saledate: Time.zone.local(year.to_i, 4, 1)...Time.zone.local(year.to_i + 1, 4, 1)) }
   scope :filter_by_purchaser_code, ->(purchid) { where("purchid ILIKE ?", "%#{purchid}%") }
   scope :search_by, lambda { |param|
diff --git a/db/migrate/20231121131725_add_sales_managing_organisation.rb b/db/migrate/20231121131725_add_sales_managing_organisation.rb
new file mode 100644
index 000000000..f4085414a
--- /dev/null
+++ b/db/migrate/20231121131725_add_sales_managing_organisation.rb
@@ -0,0 +1,7 @@
+class AddSalesManagingOrganisation < ActiveRecord::Migration[7.0]
+  def change
+    change_table :sales_logs, bulk: true do |t|
+      t.references :managing_organisation, class_name: "Organisation"
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7eda570d1..b3c7e3797 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_10_23_142854) do
+ActiveRecord::Schema[7.0].define(version: 2023_11_21_131725) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -624,8 +624,10 @@ ActiveRecord::Schema[7.0].define(version: 2023_10_23_142854) do
     t.integer "creation_method", default: 1
     t.integer "old_form_id"
     t.datetime "values_updated_at"
+    t.bigint "managing_organisation_id"
     t.index ["bulk_upload_id"], name: "index_sales_logs_on_bulk_upload_id"
     t.index ["created_by_id"], name: "index_sales_logs_on_created_by_id"
+    t.index ["managing_organisation_id"], name: "index_sales_logs_on_managing_organisation_id"
     t.index ["old_id"], name: "index_sales_logs_on_old_id", unique: true
     t.index ["owning_organisation_id"], name: "index_sales_logs_on_owning_organisation_id"
     t.index ["updated_by_id"], name: "index_sales_logs_on_updated_by_id"