diff --git a/app/controllers/system_admin/reports_controller.rb b/app/controllers/system_admin/reports_controller.rb
index b09876d9..c7b51a29 100644
--- a/app/controllers/system_admin/reports_controller.rb
+++ b/app/controllers/system_admin/reports_controller.rb
@@ -3,10 +3,10 @@ class ReportsController < AdminController
     def index; end
 
     def show
-      service = Report.call(params[:id], **report_params)
-      create_audit(action: "Downloaded #{service.report_name} report")
+      report = Report.call(params[:id], **report_params)
+      create_audit(action: "Downloaded #{report.name} report")
 
-      send_data(service.data, filename: service.filename)
+      send_data(report.data, filename: report.filename)
     end
 
   private
diff --git a/app/models/reports/applications.rb b/app/models/reports/applications.rb
index 870ce2eb..1b8d1927 100644
--- a/app/models/reports/applications.rb
+++ b/app/models/reports/applications.rb
@@ -1,11 +1,5 @@
 module Reports
-  class Applications
-    def name
-      current_time = Time.zone.now.strftime("%Y%m%d-%H%M%S")
-
-      "Applications-Report-#{current_time}.csv"
-    end
-
+  class Applications < Base
     def csv
       CSV.generate do |csv|
         csv << header
diff --git a/app/models/reports/base.rb b/app/models/reports/base.rb
new file mode 100644
index 00000000..70fa021b
--- /dev/null
+++ b/app/models/reports/base.rb
@@ -0,0 +1,20 @@
+module Reports
+  class Base
+    def initialize(**kwargs)
+      @kwargs = kwargs
+      @name = self.class.name.titleize.tr(" /", "-").downcase
+    end
+
+    attr_reader :name, :kwargs
+
+    def filename
+      current_time = Time.zone.now.strftime("%Y%m%d-%H%M%S")
+
+      "#{name}-#{current_time}.csv"
+    end
+
+    def csv; end
+
+    def post_generation_hook; end
+  end
+end
diff --git a/app/models/reports/home_office.rb b/app/models/reports/home_office.rb
index b8aad595..291eb5ea 100644
--- a/app/models/reports/home_office.rb
+++ b/app/models/reports/home_office.rb
@@ -1,20 +1,16 @@
 # frozen_string_literal: true
 
 module Reports
-  class HomeOffice
-    def name
-      current_time = Time.zone.now.strftime("%Y%m%d-%H%M%S")
-
-      "Home-Office-Report-#{current_time}.csv"
-    end
-
+  class HomeOffice < Base
     def csv
-      csv_file = CSV.generate do |csv|
+      CSV.generate do |csv|
         csv << header
         rows.each { |row| csv << row }
       end
+    end
+
+    def post_generation_hook
       applications.update_all(home_office_csv_downloaded_at: Time.zone.now) # rubocop:disable Rails/SkipsModelValidations
-      csv_file
     end
 
   private
@@ -40,7 +36,7 @@ def rows
     end
 
     def applications
-      Application
+      @applications ||= Application
         .joins(:application_progress)
         .includes(:applicant)
         .where.not(application_progresses: { initial_checks_completed_at: nil })
diff --git a/app/models/reports/payroll.rb b/app/models/reports/payroll.rb
index e6d583a9..630be075 100644
--- a/app/models/reports/payroll.rb
+++ b/app/models/reports/payroll.rb
@@ -1,20 +1,16 @@
 # frozen_string_literal: true
 
 module Reports
-  class Payroll
-    def name
-      current_time = Time.zone.now.strftime("%Y%m%d-%H%M%S")
-
-      "Payroll-Report-#{current_time}.csv"
-    end
-
+  class Payroll < Base
     def csv
-      csv_file = CSV.generate do |csv|
+      CSV.generate do |csv|
         csv << header
         rows.each { |row| csv << row }
       end
+    end
+
+    def post_generation_hook
       applications.update_all(payroll_csv_downloaded_at: Time.zone.now) # rubocop:disable Rails/SkipsModelValidations
-      csv_file
     end
 
   private
@@ -56,7 +52,7 @@ def rows
     end
 
     def applications
-      Application
+      @applications ||= Application
         .joins(:application_progress)
         .joins(applicant: :address)
         .where.not(application_progresses: { banking_approval_completed_at: nil })
diff --git a/app/models/reports/qa_report.rb b/app/models/reports/qa_report.rb
index b4913e1c..9f6871cb 100644
--- a/app/models/reports/qa_report.rb
+++ b/app/models/reports/qa_report.rb
@@ -1,15 +1,8 @@
 module Reports
-  class QaReport
-    attr_reader :applications, :status
-
-    def initialize(applications, status)
-      @applications = applications
-      @status = status
-    end
-
-    def name
-      current_time = Time.zone.now.strftime("%Y_%m_%d-%H_%M_%S")
-      "QA-Report-#{status}-#{current_time}.csv"
+  class QaReport < Base
+    def initialize(...)
+      super(...)
+      @name = [@name, status].join("-")
     end
 
     def csv
@@ -19,8 +12,27 @@ def csv
       end
     end
 
+    def post_generation_hook
+      applications.each(&:mark_as_qa!)
+    end
+
+    def status
+      kwargs.fetch(:status)
+    end
+
   private
 
+    def applications
+      @applications ||= Application
+                          .includes(
+                            :applicant,
+                            :application_progress,
+                            applicant: :address,
+                          )
+                          .filter_by_status(status)
+                          .reject(&:qa?)
+    end
+
     def rows
       applications.map do |application|
         [
diff --git a/app/models/reports/standing_data.rb b/app/models/reports/standing_data.rb
index 046e01e9..0cf68e6e 100644
--- a/app/models/reports/standing_data.rb
+++ b/app/models/reports/standing_data.rb
@@ -1,20 +1,16 @@
 # frozen_string_literal: true
 
 module Reports
-  class StandingData
-    def name
-      current_time = Time.zone.now.strftime("%Y%m%d-%H%M%S")
-
-      "Standing-Data-Report-#{current_time}.csv"
-    end
-
+  class StandingData < Base
     def csv
-      csv_file = CSV.generate do |csv|
+      CSV.generate do |csv|
         csv << header
         rows.each { |row| csv << row }
       end
+    end
+
+    def post_generation_hook
       applications.update_all(standing_data_csv_downloaded_at: Time.zone.now) # rubocop:disable Rails/SkipsModelValidations
-      csv_file
     end
 
   private
@@ -34,7 +30,7 @@ def rows
     end
 
     def applications
-      Application
+      @applications ||= Application
         .joins(:application_progress)
         .joins(applicant: :address)
         .where.not(application_progresses: { school_checks_completed_at: nil })
diff --git a/app/services/report.rb b/app/services/report.rb
index 5a6de19b..ff1ae156 100644
--- a/app/services/report.rb
+++ b/app/services/report.rb
@@ -8,9 +8,10 @@ class Report
   }.freeze
 
   def self.call(...)
-    service = new(...)
-    service.data
-    service
+    report = new(...)
+    report.data
+    report.post_generation_hook
+    report
   end
 
   def initialize(report_id, **kwargs)
@@ -20,13 +21,9 @@ def initialize(report_id, **kwargs)
     raise(ArgumentError, "Invalid report id #{report_id}")
   end
 
-  def report_name
-    report_class.to_s.capitalize
-  end
-
-  def filename
-    report.name
-  end
+  delegate :name, to: :report
+  delegate :filename, to: :report
+  delegate :post_generation_hook, to: :report
 
   def data
     @data ||= report.csv
@@ -37,25 +34,6 @@ def data
   attr_reader :report_class, :kwargs
 
   def report
-    return @report if @report
-    return @report = report_class.new(*report_args) if report_args
-
-    @report = report_class.new
-  end
-
-  def report_args
-    return qa_report_args if report_class == Reports::QaReport
-
-    nil
-  end
-
-  def qa_report_args
-    return @qa_report_args if @qa_report_args
-
-    status = kwargs.fetch(:status)
-    applications = Application.filter_by_status(status).reject(&:qa?)
-    applications.each(&:mark_as_qa!)
-
-    @qa_report_args = [applications, status]
+    @report ||= report_class.new(**kwargs)
   end
 end
diff --git a/spec/features/admin_console/reports_spec.rb b/spec/features/admin_console/reports_spec.rb
index f01b734e..2db39a78 100644
--- a/spec/features/admin_console/reports_spec.rb
+++ b/spec/features/admin_console/reports_spec.rb
@@ -50,31 +50,31 @@
   def then_the_standing_data_csv_report_is_downloaded
     expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
     expect(page.response_headers["Content-Disposition"]).to include "attachment"
-    expect(page.response_headers["Content-Disposition"]).to match(/filename="Standing-Data-Report.*/)
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="reports-standing-data.*/)
   end
 
   def then_the_home_office_csv_report_is_downloaded
     expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
     expect(page.response_headers["Content-Disposition"]).to include "attachment"
-    expect(page.response_headers["Content-Disposition"]).to match(/filename="Home-Office-Report.*/)
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="reports-home-office.*/)
   end
 
   def then_the_payroll_data_csv_report_is_downloaded
     expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
     expect(page.response_headers["Content-Disposition"]).to include "attachment"
-    expect(page.response_headers["Content-Disposition"]).to match(/filename="Payroll-Report.*/)
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="reports-payroll.*/)
   end
 
   def then_the_applications_csv_report_is_downloaded
     expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
     expect(page.response_headers["Content-Disposition"]).to include "attachment"
-    expect(page.response_headers["Content-Disposition"]).to match(/filename="Applications-Report.*/)
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="reports-applications.*/)
   end
 
   def then_the_qa_report_csv_report_is_downloaded
     expect(page.response_headers["Content-Type"]).to match(/text\/csv/)
     expect(page.response_headers["Content-Disposition"]).to include "attachment"
-    expect(page.response_headers["Content-Disposition"]).to match(/filename="QA-Report-initial_checks*/)
+    expect(page.response_headers["Content-Disposition"]).to match(/filename="reports-qa-report-initial_checks*/)
   end
 
   def and_i_click_on_the_home_office_csv_link
diff --git a/spec/models/reports/applications_spec.rb b/spec/models/reports/applications_spec.rb
index 1b1928a4..a327be5a 100644
--- a/spec/models/reports/applications_spec.rb
+++ b/spec/models/reports/applications_spec.rb
@@ -6,13 +6,13 @@ module Reports
 
     subject(:report) { described_class.new }
 
-    it "returns the name of the Report" do
+    it "returns the filename of the Report" do
       frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
       travel_to frozen_time do
-        expected_name = "Applications-Report-20230717-123045.csv"
+        expected_name = "reports-applications-20230717-123045.csv"
 
         report = described_class.new
-        actual_name = report.name
+        actual_name = report.filename
 
         expect(actual_name).to eq(expected_name)
       end
diff --git a/spec/models/reports/home_office_spec.rb b/spec/models/reports/home_office_spec.rb
index 2d413db2..673b275b 100644
--- a/spec/models/reports/home_office_spec.rb
+++ b/spec/models/reports/home_office_spec.rb
@@ -8,13 +8,13 @@ module Reports
 
     subject(:report) { described_class.new }
 
-    it "returns the name of the Report" do
+    it "returns the filename of the Report" do
       frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
       travel_to frozen_time do
-        expected_name = "Home-Office-Report-20230717-123045.csv"
+        expected_name = "reports-home-office-20230717-123045.csv"
 
         report = described_class.new
-        actual_name = report.name
+        actual_name = report.filename
 
         expect(actual_name).to eq(expected_name)
       end
@@ -88,16 +88,19 @@ module Reports
         expect(report.csv).to include(expected_header)
       end
 
-      it "excludes applications from the csv after they've been downloaded once" do
-        app = create(:application, application_progress: build(:application_progress, :home_office_pending))
+      context "includes applications from the csv before invoking `post_generation_hook`" do
+        let(:app) { create(:application, application_progress: build(:application_progress, :home_office_pending)) }
+        let(:csv) { report.csv }
 
-        first_csv = report.csv
+        before { app }
 
-        expect(first_csv).to include(app.urn)
+        it { expect(csv).to include(app.urn) }
 
-        second_csv = report.csv
+        context "excludes applications from the csv after invoking `post_generation_hook`" do
+          before { report.post_generation_hook }
 
-        expect(second_csv).not_to include(app.urn)
+          it { expect(csv).not_to include(app.urn) }
+        end
       end
     end
   end
diff --git a/spec/models/reports/payroll_spec.rb b/spec/models/reports/payroll_spec.rb
index 3d0a7240..59d1946b 100644
--- a/spec/models/reports/payroll_spec.rb
+++ b/spec/models/reports/payroll_spec.rb
@@ -9,13 +9,13 @@ module Reports
 
     subject(:report) { described_class.new }
 
-    it "returns the name of the Report" do
+    it "returns the filename of the Report" do
       frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
       travel_to frozen_time do
-        expected_name = "Payroll-Report-20230717-123045.csv"
+        expected_name = "reports-payroll-20230717-123045.csv"
 
         report = described_class.new
-        actual_name = report.name
+        actual_name = report.filename
 
         expect(actual_name).to eq(expected_name)
       end
@@ -119,16 +119,19 @@ module Reports
         expect(report.csv).to include(expected_header)
       end
 
-      it "excludes applications from the csv after they've been downloaded once" do
-        app = create(:application, application_progress: progress)
+      context "includes applications from the csv before invoking `post_generation_hook`" do
+        let(:app) { create(:application, application_progress: progress) }
+        let(:csv) { report.csv }
 
-        first_csv = report.csv
+        before { app }
 
-        expect(first_csv).to include(app.applicant.email_address)
+        it { expect(csv).to include(app.applicant.email_address) }
 
-        second_csv = report.csv
+        context "excludes applications from the csv after invoking `post_generation_hook`" do
+          before { report.post_generation_hook }
 
-        expect(second_csv).not_to include(app.applicant.email_address)
+          it { expect(csv).not_to include(app.urn) }
+        end
       end
     end
   end
diff --git a/spec/models/reports/qa_report_spec.rb b/spec/models/reports/qa_report_spec.rb
index d260fa6d..1fd0a83f 100644
--- a/spec/models/reports/qa_report_spec.rb
+++ b/spec/models/reports/qa_report_spec.rb
@@ -7,17 +7,16 @@ module Reports
   describe QaReport do
     include ActiveSupport::Testing::TimeHelpers
 
-    subject(:report) { described_class.new(applications, status) }
+    subject(:report) { described_class.new(status:) }
 
-    let(:applications) { [] }
-    let(:status) { "submitted" }
+    let(:status) { "initial_checks" }
 
-    it "returns the name of the Report" do
+    it "returns the filename of the Report" do
       frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
       travel_to frozen_time do
-        expected_name = "QA-Report-submitted-2023_07_17-12_30_45.csv"
+        expected_name = "reports-qa-report-initial_checks-20230717-123045.csv"
 
-        expect(report.name).to eq(expected_name)
+        expect(report.filename).to eq(expected_name)
       end
     end
 
@@ -25,7 +24,6 @@ module Reports
       context "when the status is not 'rejected'" do
         it "returns the data in CSV format" do
           application = create(:application)
-          applications << application
 
           expect(report.csv).to include([
             application.urn,
@@ -51,7 +49,6 @@ module Reports
 
         it "returns the data including rejection reasons in CSV format" do
           application = create(:application, application_progress: build(:application_progress, rejection_completed_at: Time.zone.now, status: :rejected, rejection_reason: :request_to_re_submit, rejection_details: "Some details"))
-          applications << application
 
           expect(report.csv).to include([
             application.urn,
diff --git a/spec/models/reports/standing_data_spec.rb b/spec/models/reports/standing_data_spec.rb
index 263e8916..c4cd9f6b 100644
--- a/spec/models/reports/standing_data_spec.rb
+++ b/spec/models/reports/standing_data_spec.rb
@@ -8,13 +8,13 @@ module Reports
 
     subject(:report) { described_class.new }
 
-    it "returns the name of the Report" do
+    it "returns the filename of the Report" do
       frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
       travel_to frozen_time do
-        expected_name = "Standing-Data-Report-20230717-123045.csv"
+        expected_name = "reports-standing-data-20230717-123045.csv"
 
         report = described_class.new
-        actual_name = report.name
+        actual_name = report.filename
 
         expect(actual_name).to eq(expected_name)
       end
@@ -83,16 +83,19 @@ module Reports
         expect(report.csv).to include(expected_header)
       end
 
-      it "excludes applications from the csv after they've been downloaded once" do
-        app = create(:application, application_progress: progress)
+      context "includes applications from the csv before invoking `post_generation_hook`" do
+        let(:app) { create(:application, application_progress: progress) }
+        let(:csv) { report.csv }
 
-        first_csv = report.csv
+        before { app }
 
-        expect(first_csv).to include(app.urn)
+        it { expect(csv).to include(app.urn) }
 
-        second_csv = report.csv
+        context "excludes applications from the csv after invoking `post_generation_hook`" do
+          before { report.post_generation_hook }
 
-        expect(second_csv).not_to include(app.urn)
+          it { expect(csv).not_to include(app.urn) }
+        end
       end
     end
     # rubocop:enable RSpec/ExampleLength
diff --git a/spec/services/report_spec.rb b/spec/services/report_spec.rb
index 046ad024..8f61a0b6 100644
--- a/spec/services/report_spec.rb
+++ b/spec/services/report_spec.rb
@@ -31,7 +31,7 @@
     let(:status) { "initial_checks" }
 
     context "report_name" do
-      it { expect(service.report_name).to eq("Reports::qareport") }
+      it { expect(service.name).to eq("reports-qa-report-initial_checks") }
     end
 
     context "filename" do
@@ -39,7 +39,7 @@
       it "returns the name of the Report" do
         frozen_time = Time.zone.local(2023, 7, 17, 12, 30, 45)
         travel_to frozen_time do
-          expected_name = "QA-Report-initial_checks-2023_07_17-12_30_45.csv"
+          expected_name = "reports-qa-report-initial_checks-20230717-123045.csv"
 
           expect(service.filename).to eq(expected_name)
         end
@@ -55,7 +55,7 @@
         service.data
       end
 
-      it { expect(Reports::QaReport).to have_received(:new).with(kind_of(Array), status) }
+      it { expect(Reports::QaReport).to have_received(:new).with(status:) }
       it { expect(report).to have_received(:csv) }
     end