diff --git a/app/models/form/sales/pages/managing_organisation.rb b/app/models/form/sales/pages/managing_organisation.rb
new file mode 100644
index 000000000..0c9ed7337
--- /dev/null
+++ b/app/models/form/sales/pages/managing_organisation.rb
@@ -0,0 +1,21 @@
+class Form::Sales::Pages::ManagingOrganisation < ::Form::Page
+  def initialize(id, hsh, subsection)
+    super
+    @id = "managing_organisation"
+  end
+
+  def questions
+    @questions ||= [
+      Form::Sales::Questions::ManagingOrganisation.new(nil, nil, self),
+    ]
+  end
+
+  def routed_to?(log, current_user)
+    return false unless current_user
+    return false unless current_user.support?
+    return false unless FeatureToggle.sales_managing_organisation_enabled?
+    return false unless log.owning_organisation
+
+    log.owning_organisation.managing_agents.count >= 1
+  end
+end
diff --git a/app/models/form/sales/questions/managing_organisation.rb b/app/models/form/sales/questions/managing_organisation.rb
new file mode 100644
index 000000000..7fba0b131
--- /dev/null
+++ b/app/models/form/sales/questions/managing_organisation.rb
@@ -0,0 +1,78 @@
+class Form::Sales::Questions::ManagingOrganisation < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "managing_organisation_id"
+    @check_answer_label = "Reported by"
+    @header = "Which organisation is reporting this sales log?"
+    @type = "select"
+    @question_number = 2
+  end
+
+  def answer_options(log = nil, user = nil)
+    opts = { "" => "Select an option" }
+
+    return opts unless ActiveRecord::Base.connected?
+    return opts unless user
+    return opts unless log
+
+    if log.managing_organisation.present?
+      opts = opts.merge({ log.managing_organisation.id => log.managing_organisation.name })
+    end
+
+    if user.support?
+      if log.owning_organisation.holds_own_stock?
+        opts[log.owning_organisation.id] = "#{log.owning_organisation.name} (Owning organisation)"
+      end
+    elsif user.organisation.absorbed_organisations.exists? && user.organisation.available_from.present?
+      opts[user.organisation.id] = "#{user.organisation.name} (Your organisation, active as of #{user.organisation.available_from.to_fs(:govuk_date)})"
+    else
+      opts[user.organisation.id] = "#{user.organisation.name} (Your organisation)"
+    end
+
+    orgs = if user.support?
+             log.owning_organisation.managing_agents
+           elsif user.organisation.absorbed_organisations.include?(log.owning_organisation)
+             user.organisation.managing_agents + log.owning_organisation.managing_agents
+           else
+             user.organisation.managing_agents
+           end.pluck(:id, :name).to_h
+
+    user.organisation.absorbed_organisations.each do |absorbed_org|
+      opts[absorbed_org.id] = "#{absorbed_org.name} (inactive as of #{absorbed_org.merge_date.to_fs(:govuk_date)})"
+    end
+
+    opts.merge(orgs)
+  end
+
+  def displayed_answer_options(log, user)
+    answer_options(log, user)
+  end
+
+  def label_from_value(value, _log = nil, _user = nil)
+    return unless value
+
+    answer_options[value]
+  end
+
+  def derived?
+    true
+  end
+
+  def hidden_in_check_answers?(log, user = nil)
+    user.nil? || !user.support? || !@page.routed_to?(log, user)
+  end
+
+  def enabled
+    true
+  end
+
+  def answer_label(log, _current_user = nil)
+    Organisation.find_by(id: log.managing_organisation_id)&.name
+  end
+
+private
+
+  def selected_answer_option_is_derived?(_log)
+    true
+  end
+end
diff --git a/app/models/form/sales/subsections/setup.rb b/app/models/form/sales/subsections/setup.rb
index 1fbc2ac9e..67c160e52 100644
--- a/app/models/form/sales/subsections/setup.rb
+++ b/app/models/form/sales/subsections/setup.rb
@@ -8,6 +8,7 @@ class Form::Sales::Subsections::Setup < ::Form::Subsection
   def pages
     @pages ||= [
       Form::Sales::Pages::Organisation.new(nil, nil, self),
+      Form::Sales::Pages::ManagingOrganisation.new(nil, nil, self),
       Form::Sales::Pages::CreatedBy.new(nil, nil, self),
       Form::Sales::Pages::SaleDate.new(nil, nil, self),
       Form::Sales::Pages::PurchaserCode.new(nil, nil, self),
diff --git a/spec/models/form/sales/pages/managing_organisation_spec.rb b/spec/models/form/sales/pages/managing_organisation_spec.rb
new file mode 100644
index 000000000..0a34554cb
--- /dev/null
+++ b/spec/models/form/sales/pages/managing_organisation_spec.rb
@@ -0,0 +1,106 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Pages::ManagingOrganisation, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+  let(:form) { instance_double(Form) }
+
+  it "has correct subsection" do
+    expect(page.subsection).to eq(subsection)
+  end
+
+  it "has correct questions" do
+    expect(page.questions.map(&:id)).to eq(%w[managing_organisation_id])
+  end
+
+  it "has the correct id" do
+    expect(page.id).to eq("managing_organisation")
+  end
+
+  it "has the correct header" do
+    expect(page.header).to be_nil
+  end
+
+  it "has the correct description" do
+    expect(page.description).to be_nil
+  end
+
+  it "has the correct depends_on" do
+    expect(page.depends_on).to be nil
+  end
+
+  describe "#routed_to?" do
+    let(:log) { create(:lettings_log) }
+    let(:organisation) { create(:organisation) }
+
+    context "when user nil" do
+      it "is not shown" do
+        expect(page.routed_to?(log, nil)).to eq(false)
+      end
+    end
+
+    context "when user is not support" do
+      let(:user) { create(:user) }
+
+      it "is not shown" do
+        expect(page.routed_to?(log, nil)).to eq(false)
+      end
+    end
+
+    context "when support" do
+      let(:user) { create(:user, :support) }
+
+      context "when owning_organisation not set" do
+        let(:log) { create(:lettings_log, owning_organisation: nil) }
+
+        it "is not shown" do
+          expect(page.routed_to?(log, user)).to eq(false)
+        end
+      end
+
+      context "with 0 managing_agents" do
+        it "is not shown" do
+          expect(page.routed_to?(log, user)).to eq(false)
+        end
+      end
+
+      context "with >1 managing_agents" do
+        before do
+          create(:organisation_relationship, parent_organisation: log.owning_organisation)
+          create(:organisation_relationship, parent_organisation: log.owning_organisation)
+        end
+
+        it "is shown" do
+          expect(page.routed_to?(log, user)).to eq(true)
+        end
+      end
+
+      context "with 1 managing_agents" do
+        let(:managing_agent) { create(:organisation) }
+
+        before do
+          create(
+            :organisation_relationship,
+            child_organisation: managing_agent,
+            parent_organisation: log.owning_organisation,
+          )
+        end
+
+        it "is shown" do
+          expect(page.routed_to?(log, user)).to eq(true)
+        end
+      end
+    end
+
+    context "when not support" do
+      let(:user) { create(:user, :data_coordinator, organisation: create(:organisation, holds_own_stock: false)) }
+
+      it "is not shown" do
+        expect(page.routed_to?(log, user)).to eq(false)
+      end
+    end
+  end
+end
diff --git a/spec/models/form/sales/questions/managing_organisation_spec.rb b/spec/models/form/sales/questions/managing_organisation_spec.rb
new file mode 100644
index 000000000..a6dd23d59
--- /dev/null
+++ b/spec/models/form/sales/questions/managing_organisation_spec.rb
@@ -0,0 +1,257 @@
+require "rails_helper"
+
+RSpec.describe Form::Sales::Questions::ManagingOrganisation, type: :model do
+  subject(:question) { described_class.new(question_id, question_definition, page) }
+
+  let(:question_id) { nil }
+  let(:question_definition) { nil }
+  let(:page) { instance_double(Form::Page) }
+  let(:subsection) { instance_double(Form::Subsection) }
+  let(:form) { instance_double(Form) }
+
+  it "has correct page" do
+    expect(question.page).to eq(page)
+  end
+
+  it "has the correct id" do
+    expect(question.id).to eq("managing_organisation_id")
+  end
+
+  it "has the correct header" do
+    expect(question.header).to eq("Which organisation is reporting this sales log?")
+  end
+
+  it "has the correct check_answer_label" do
+    expect(question.check_answer_label).to eq("Reported by")
+  end
+
+  it "has the correct type" do
+    expect(question.type).to eq("select")
+  end
+
+  it "has the correct hint_text" do
+    expect(question.hint_text).to be_nil
+  end
+
+  describe "#displayed_answer_options" do
+    let(:options) { { "" => "Select an option" } }
+
+    context "when current_user nil" do
+      let(:log) { create(:lettings_log) }
+
+      it "shows default options" do
+        expect(question.displayed_answer_options(log, nil)).to eq(options)
+      end
+    end
+
+    context "when log nil" do
+      let(:user) { create(:user) }
+
+      it "shows default options" do
+        expect(question.displayed_answer_options(nil, user)).to eq(options)
+      end
+    end
+
+    context "when user is support" do
+      let(:user) { create(:user, :support) }
+      let(:log_owning_org) { create(:organisation, name: "Owning org") }
+
+      let(:managing_org1) { create(:organisation, name: "Managing org 1") }
+      let(:managing_org2) { create(:organisation, name: "Managing org 2") }
+      let(:managing_org3) { create(:organisation, name: "Managing org 3") }
+
+      let(:log) do
+        create(:lettings_log, owning_organisation: log_owning_org, managing_organisation: managing_org1,
+                              created_by: nil)
+      end
+      let!(:org_rel1) do
+        create(:organisation_relationship, parent_organisation: log_owning_org, child_organisation: managing_org2)
+      end
+      let!(:org_rel2) do
+        create(:organisation_relationship, parent_organisation: log_owning_org, child_organisation: managing_org3)
+      end
+
+      context "when org owns stock" do
+        let(:options) do
+          {
+            "" => "Select an option",
+            log.managing_organisation.id => "Managing org 1",
+            log_owning_org.id => "Owning org (Owning organisation)",
+            org_rel1.child_organisation.id => "Managing org 2",
+            org_rel2.child_organisation.id => "Managing org 3",
+          }
+        end
+
+        it "shows current managing agent at top, followed by the current owning organisation (with hint), followed by the managing agents of the current owning organisation" do
+          log_owning_org.update!(holds_own_stock: true)
+          expect(question.displayed_answer_options(log, user)).to eq(options)
+        end
+      end
+
+      context "when org does not own stock" do
+        let(:options) do
+          {
+            "" => "Select an option",
+            log.managing_organisation.id => "Managing org 1",
+            org_rel1.child_organisation.id => "Managing org 2",
+            org_rel2.child_organisation.id => "Managing org 3",
+          }
+        end
+
+        it "shows current managing agent at top, followed by the managing agents of the current owning organisation" do
+          log_owning_org.update!(holds_own_stock: false)
+          expect(question.displayed_answer_options(log, user)).to eq(options)
+        end
+      end
+    end
+
+    context "when the owning-managing organisation relationship is deleted" do
+      let(:user) { create(:user, :support) }
+
+      let(:owning_org) { create(:organisation, name: "Owning org", holds_own_stock: true) }
+      let(:managing_org) { create(:organisation, name: "Managing org", holds_own_stock: false) }
+      let(:org_rel) do
+        create(:organisation_relationship, parent_organisation: owning_org, child_organisation: managing_org)
+      end
+      let(:log) do
+        create(:lettings_log, owning_organisation: owning_org, managing_organisation: managing_org, created_by: nil)
+      end
+
+      let(:options) do
+        {
+          "" => "Select an option",
+          owning_org.id => "Owning org (Owning organisation)",
+          managing_org.id => "Managing org",
+        }
+      end
+
+      it "doesn't remove the managing org from the list of allowed managing orgs" do
+        org_rel.destroy!
+        expect(question.displayed_answer_options(log, user)).to eq(options)
+      end
+    end
+
+    context "when organisation has merged" do
+      let(:absorbing_org) { create(:organisation, name: "Absorbing org", holds_own_stock: true) }
+      let!(:merged_org) { create(:organisation, name: "Merged org", holds_own_stock: false) }
+      let(:user) { create(:user, :support, organisation: absorbing_org) }
+
+      let(:log) do
+        merged_org.update!(merge_date: Time.zone.local(2023, 8, 2), absorbing_organisation_id: absorbing_org.id)
+        create(:lettings_log, owning_organisation: absorbing_org, managing_organisation: nil)
+      end
+
+      it "displays merged organisation on the list of choices" do
+        options = {
+          "" => "Select an option",
+          absorbing_org.id => "Absorbing org (Owning organisation)",
+          merged_org.id => "Merged org (inactive as of 2 August 2023)",
+          merged_org.id => "Merged org (inactive as of 2 August 2023)",
+        }
+        expect(question.displayed_answer_options(log, user)).to eq(options)
+      end
+
+      it "displays active date for absorbing organisation if available from is given" do
+        absorbing_org.update!(available_from: Time.zone.local(2023, 8, 3))
+        options = {
+          "" => "Select an option",
+          absorbing_org.id => "Absorbing org (Owning organisation)",
+          merged_org.id => "Merged org (inactive as of 2 August 2023)",
+          merged_org.id => "Merged org (inactive as of 2 August 2023)",
+        }
+        expect(question.displayed_answer_options(log, user)).to eq(options)
+      end
+
+      it "displays managing agents of merged organisation selected as owning org" do
+        managing_agent = create(:organisation, name: "Managing org 1")
+        create(:organisation_relationship, parent_organisation: merged_org, child_organisation: managing_agent)
+
+        options = {
+          "" => "Select an option",
+          merged_org.id => "Merged org (inactive as of 2 August 2023)",
+          managing_agent.id => "Managing org 1",
+        }
+
+        log.update!(owning_organisation: merged_org)
+        expect(question.displayed_answer_options(log, user)).to eq(options)
+      end
+    end
+  end
+
+  it "is marked as derived" do
+    expect(question.derived?).to be true
+  end
+
+  describe "#hidden_in_check_answers?" do
+    before do
+      allow(page).to receive(:routed_to?).and_return(true)
+    end
+
+    context "when user is non support" do
+      let(:user) { create(:user) }
+
+      it "is hidden in check answers" do
+        expect(question.hidden_in_check_answers?(nil, user)).to be true
+      end
+    end
+
+    context "when user is support" do
+      let(:user) { create(:user, :support) }
+
+      it "is not hidden in check answers" do
+        expect(question.hidden_in_check_answers?(nil, user)).to be false
+      end
+    end
+
+    context "when user not provided" do
+      it "is hidden in check answers" do
+        expect(question.hidden_in_check_answers?(nil)).to be true
+      end
+    end
+
+    context "when the page is not routed to" do
+      let(:user) { create(:user, :data_coordinator, organisation: create(:organisation, holds_own_stock: true)) }
+      let(:log) { create(:lettings_log, owning_organisation: user.organisation) }
+
+      before do
+        allow(page).to receive(:routed_to?).and_return(false)
+      end
+
+      it "is hidden in check answers" do
+        expect(question.hidden_in_check_answers?(log, user)).to be true
+      end
+    end
+  end
+
+  describe "#answer_label" do
+    context "when answered" do
+      let(:managing_organisation) { create(:organisation) }
+      let(:log) { create(:lettings_log, managing_organisation:) }
+
+      it "returns org name" do
+        expect(question.answer_label(log)).to eq(managing_organisation.name)
+      end
+    end
+
+    context "when unanswered" do
+      let(:log) { create(:lettings_log, managing_organisation: nil) }
+
+      it "returns nil" do
+        expect(question.answer_label(log)).to be_nil
+      end
+    end
+
+    context "when org does not exist" do
+      let(:managing_organisation) { create(:organisation) }
+      let(:log) { create(:lettings_log, managing_organisation:) }
+
+      before do
+        allow(Organisation).to receive(:find_by).and_return(nil)
+      end
+
+      it "returns nil" do
+        expect(question.answer_label(log)).to be_nil
+      end
+    end
+  end
+end
diff --git a/spec/models/form/sales/subsections/setup_spec.rb b/spec/models/form/sales/subsections/setup_spec.rb
index 7a71e946c..71bff2e32 100644
--- a/spec/models/form/sales/subsections/setup_spec.rb
+++ b/spec/models/form/sales/subsections/setup_spec.rb
@@ -16,6 +16,7 @@ RSpec.describe Form::Sales::Subsections::Setup, type: :model do
     expect(setup.pages.map(&:id)).to eq(
       %w[
         organisation
+        managing_organisation
         created_by
         completion_date
         purchaser_code