diff --git a/app/controllers/lettings_logs_controller.rb b/app/controllers/lettings_logs_controller.rb
index 417a70e63..ef7f079a9 100644
--- a/app/controllers/lettings_logs_controller.rb
+++ b/app/controllers/lettings_logs_controller.rb
@@ -94,7 +94,7 @@ class LettingsLogsController < LogsController
 
   def email_csv
     all_orgs = params["organisation_select"] == "all"
-    EmailCsvJob.perform_later(current_user, search_term, @session_filters, all_orgs, nil, codes_only_export?)
+    EmailCsvJob.perform_later(current_user, search_term, session_filters, all_orgs, nil, codes_only_export?)
     redirect_to csv_confirmation_lettings_logs_path
   end
 
diff --git a/app/controllers/organisations_controller.rb b/app/controllers/organisations_controller.rb
index fc691444f..c1361ac2d 100644
--- a/app/controllers/organisations_controller.rb
+++ b/app/controllers/organisations_controller.rb
@@ -5,7 +5,7 @@ class OrganisationsController < ApplicationController
   before_action :authenticate_user!
   before_action :find_resource, except: %i[index new create]
   before_action :authenticate_scope!, except: [:index]
-  before_action -> { session_filters(specific_org: true) }, if: -> { current_user.support? || current_user.organisation.has_managing_agents? }, only: %i[lettings_logs sales_logs email_lettings_csv download_lettings_csv email_sales_csv download_sales_csv]
+  before_action :session_filters, if: -> { current_user.support? || current_user.organisation.has_managing_agents? }, only: %i[lettings_logs sales_logs email_lettings_csv download_lettings_csv email_sales_csv download_sales_csv]
   before_action :set_session_filters, if: -> { current_user.support? || current_user.organisation.has_managing_agents? }, only: %i[lettings_logs sales_logs email_lettings_csv download_lettings_csv email_sales_csv download_sales_csv]
 
   def index
@@ -90,7 +90,7 @@ class OrganisationsController < ApplicationController
 
   def lettings_logs
     organisation_logs = LettingsLog.visible.where(owning_organisation_id: @organisation.id)
-    unpaginated_filtered_logs = filtered_logs(organisation_logs, search_term, @session_filters)
+    unpaginated_filtered_logs = filter_manager.filtered_logs(organisation_logs, search_term, session_filters)
 
     respond_to do |format|
       format.html do
@@ -99,6 +99,7 @@ class OrganisationsController < ApplicationController
         @searched = search_term.presence
         @total_count = organisation_logs.size
         @log_type = :lettings
+        @filter_type = "lettings_logs"
         render "logs", layout: "application"
       end
     end
@@ -106,20 +107,20 @@ class OrganisationsController < ApplicationController
 
   def download_lettings_csv
     organisation_logs = LettingsLog.visible.where(owning_organisation_id: @organisation.id)
-    unpaginated_filtered_logs = filtered_logs(organisation_logs, search_term, @session_filters)
+    unpaginated_filtered_logs = filter_manager.filtered_logs(organisation_logs, search_term, session_filters)
     codes_only = params.require(:codes_only) == "true"
 
     render "logs/download_csv", locals: { search_term:, count: unpaginated_filtered_logs.size, post_path: lettings_logs_email_csv_organisation_path, codes_only: }
   end
 
   def email_lettings_csv
-    EmailCsvJob.perform_later(current_user, search_term, @session_filters, false, @organisation, codes_only_export?)
+    EmailCsvJob.perform_later(current_user, search_term, session_filters, false, @organisation, codes_only_export?)
     redirect_to lettings_logs_csv_confirmation_organisation_path
   end
 
   def sales_logs
     organisation_logs = SalesLog.where(owning_organisation_id: @organisation.id)
-    unpaginated_filtered_logs = filtered_logs(organisation_logs, search_term, @session_filters)
+    unpaginated_filtered_logs = filter_manager.filtered_logs(organisation_logs, search_term, session_filters)
 
     respond_to do |format|
       format.html do
@@ -128,6 +129,7 @@ class OrganisationsController < ApplicationController
         @searched = search_term.presence
         @total_count = organisation_logs.size
         @log_type = :sales
+        @filter_type = "sales_logs"
         render "logs", layout: "application"
       end
 
@@ -139,14 +141,14 @@ class OrganisationsController < ApplicationController
 
   def download_sales_csv
     organisation_logs = SalesLog.visible.where(owning_organisation_id: @organisation.id)
-    unpaginated_filtered_logs = filtered_logs(organisation_logs, search_term, @session_filters)
+    unpaginated_filtered_logs = filter_manager.filtered_logs(organisation_logs, search_term, session_filters)
     codes_only = params.require(:codes_only) == "true"
 
     render "logs/download_csv", locals: { search_term:, count: unpaginated_filtered_logs.size, post_path: sales_logs_email_csv_organisation_path, codes_only: }
   end
 
   def email_sales_csv
-    EmailCsvJob.perform_later(current_user, search_term, @session_filters, false, @organisation, codes_only_export?, "sales")
+    EmailCsvJob.perform_later(current_user, search_term, session_filters, false, @organisation, codes_only_export?, "sales")
     redirect_to sales_logs_csv_confirmation_organisation_path
   end
 
@@ -156,6 +158,18 @@ class OrganisationsController < ApplicationController
 
 private
 
+  def set_session_filters
+    filter_manager.serialize_filters_to_session("#{params[:action]}", specific_org: true)
+  end
+
+  def session_filters
+    filter_manager.session_filters("#{params[:action]}", specific_org: true)
+  end
+
+  def filter_manager
+    FilterManager.new(current_user:, session:, params:)
+  end
+
   def org_params
     params.require(:organisation).permit(:name, :address_line1, :address_line2, :postcode, :phone, :holds_own_stock, :provider_type, :housing_registration_no)
   end
diff --git a/app/controllers/sales_logs_controller.rb b/app/controllers/sales_logs_controller.rb
index 2c27b40ce..d52dea9bb 100644
--- a/app/controllers/sales_logs_controller.rb
+++ b/app/controllers/sales_logs_controller.rb
@@ -65,7 +65,7 @@ class SalesLogsController < LogsController
 
   def email_csv
     all_orgs = params["organisation_select"] == "all"
-    EmailCsvJob.perform_later(current_user, search_term, @session_filters, all_orgs, nil, codes_only_export?, "sales")
+    EmailCsvJob.perform_later(current_user, search_term, session_filters, all_orgs, nil, codes_only_export?, "sales")
     redirect_to csv_confirmation_sales_logs_path
   end
 
diff --git a/spec/controllers/lettings_logs_controller_spec.rb b/spec/controllers/lettings_logs_controller_spec.rb
index 0874649e7..642d4bd89 100644
--- a/spec/controllers/lettings_logs_controller_spec.rb
+++ b/spec/controllers/lettings_logs_controller_spec.rb
@@ -10,7 +10,7 @@ RSpec.describe LettingsLogsController do
       let(:bulk_upload) { create(:bulk_upload, :sales) }
 
       it "does not redirect to resume path" do
-        session[:logs_filters] = { bulk_upload_id: [bulk_upload.id.to_s] }.to_json
+        session[:lettings_logs_filters] = { bulk_upload_id: [bulk_upload.id.to_s] }.to_json
 
         get :index
 
diff --git a/spec/controllers/sales_logs_controller_spec.rb b/spec/controllers/sales_logs_controller_spec.rb
index e8d85cb85..b7c81c79d 100644
--- a/spec/controllers/sales_logs_controller_spec.rb
+++ b/spec/controllers/sales_logs_controller_spec.rb
@@ -10,7 +10,7 @@ RSpec.describe SalesLogsController do
   describe "#index" do
     context "when a sales bulk upload has been resolved" do
       it "redirects to resume_bulk_upload_sales_result_path" do
-        session[:logs_filters] = { bulk_upload_id: [bulk_upload.id.to_s] }.to_json
+        session[:sales_logs_filters] = { bulk_upload_id: [bulk_upload.id.to_s] }.to_json
 
         get :index
 
@@ -22,7 +22,7 @@ RSpec.describe SalesLogsController do
       let(:bulk_upload) { create(:bulk_upload, :lettings) }
 
       it "does not redirect to resume" do
-        session[:logs_filters] = { bulk_upload_id: [bulk_upload.id.to_s] }.to_json
+        session[:sales_logs_filters] = { bulk_upload_id: [bulk_upload.id.to_s] }.to_json
 
         get :index
 
diff --git a/spec/helpers/filters_helper_spec.rb b/spec/helpers/filters_helper_spec.rb
index 53d06e3e8..dfc6b51fb 100644
--- a/spec/helpers/filters_helper_spec.rb
+++ b/spec/helpers/filters_helper_spec.rb
@@ -4,80 +4,80 @@ RSpec.describe FiltersHelper do
   describe "#filter_selected?" do
     context "when no filters are selected" do
       it "returns false for all filters" do
-        expect(filter_selected?("status", "completed")).to be_falsey
-        expect(filter_selected?("status", "in_progress")).to be_falsey
+        expect(filter_selected?("status", "completed", "lettings_logs")).to be_falsey
+        expect(filter_selected?("status", "in_progress", "lettings_logs")).to be_falsey
       end
     end
 
     context "when the filter is the user filter but session filters is empty" do
       before do
-        session[:logs_filters] = {}.to_json
+        session[:lettings_logs_filters] = {}.to_json
       end
 
       context "when looking at the all value" do
         it "returns true if no filters have been set yet" do
-          expect(filter_selected?("user", :all)).to be true
-          expect(filter_selected?("user", :yours)).to be false
+          expect(filter_selected?("user", :all, "lettings_logs")).to be true
+          expect(filter_selected?("user", :yours, "lettings_logs")).to be false
         end
       end
     end
 
     context "when one filter is selected" do
       before do
-        session[:logs_filters] = { "status": "in_progress" }.to_json
+        session[:lettings_logs_filters] = { "status": "in_progress" }.to_json
       end
 
       it "returns false for non selected filters" do
-        expect(filter_selected?("status", "completed")).to be false
+        expect(filter_selected?("status", "completed", "lettings_logs")).to be false
       end
 
       it "returns true for selected filter" do
-        expect(filter_selected?("status", "in_progress")).to be true
+        expect(filter_selected?("status", "in_progress", "lettings_logs")).to be true
       end
     end
 
     context "when support user is using the organisation filter" do
       before do
-        session[:logs_filters] = { "organisation": "1" }.to_json
+        session[:lettings_logs_filters] = { "organisation": "1" }.to_json
       end
 
       it "returns true for the parent organisation_select filter" do
-        expect(filter_selected?("organisation_select", :specific_org)).to be true
-        expect(filter_selected?("organisation_select", :all)).to be false
+        expect(filter_selected?("organisation_select", :specific_org, "lettings_logs")).to be true
+        expect(filter_selected?("organisation_select", :all, "lettings_logs")).to be false
       end
     end
 
     context "when support user has not set the organisation_select filter" do
       before do
-        session[:logs_filters] = {}.to_json
+        session[:lettings_logs_filters] = {}.to_json
       end
 
       it "defaults to all organisations" do
-        expect(filter_selected?("organisation_select", :all)).to be true
-        expect(filter_selected?("organisation_select", :specific_org)).to be false
+        expect(filter_selected?("organisation_select", :all, "lettings_logs")).to be true
+        expect(filter_selected?("organisation_select", :specific_org, "lettings_logs")).to be false
       end
     end
 
     context "when the specific organisation filter is not set" do
       before do
-        session[:logs_filters] = { "status" => [""], "years" => [""], "user" => "all" }.to_json
+        session[:lettings_logs_filters] = { "status" => [""], "years" => [""], "user" => "all" }.to_json
       end
 
       it "marks the all options as checked" do
-        expect(filter_selected?("organisation_select", :all)).to be true
-        expect(filter_selected?("organisation_select", :specific_org)).to be false
+        expect(filter_selected?("organisation_select", :all, "lettings_logs")).to be true
+        expect(filter_selected?("organisation_select", :specific_org, "lettings_logs")).to be false
       end
     end
   end
 
   describe "#selected_option" do
     before do
-      session[:logs_filters] = {}.to_json
+      session[:lettings_logs_filters] = {}.to_json
     end
 
     context "when nothing has been selected" do
       it "returns an empty string" do
-        expect(selected_option("organisation")).to eq("")
+        expect(selected_option("organisation", "lettings_logs")).to eq("")
       end
     end
   end