diff --git a/app/models/organisation.rb b/app/models/organisation.rb
index 0dac3d530..6e38040f9 100644
--- a/app/models/organisation.rb
+++ b/app/models/organisation.rb
@@ -63,6 +63,8 @@ class Organisation < ApplicationRecord
   enum :profit_status, PROFIT_STATUS
 
   attribute :group_member, :boolean
+  attr_accessor :skip_group_member_validation
+
   before_save :clear_group_member_fields_if_not_group_member
 
   alias_method :la?, :LA?
@@ -70,8 +72,7 @@ class Organisation < ApplicationRecord
   validates :name, presence: { message: I18n.t("validations.organisation.name_missing") }
   validates :name, uniqueness: { case_sensitive: false, message: I18n.t("validations.organisation.name_not_unique") }
   validates :provider_type, presence: { message: I18n.t("validations.organisation.provider_type_missing") }
-  validates :group_member_id, presence: { message: I18n.t("validations.organisation.group_missing") }, if: :group_member?
-
+  validates :group_member_id, presence: { message: I18n.t("validations.organisation.group_missing") }, if: -> { group_member? && !skip_group_member_validation }
   validate :validate_profit_status
 
   def self.find_by_id_on_multiple_fields(id)
diff --git a/lib/tasks/update_organisations_group_profit_status.rake b/lib/tasks/update_organisations_group_profit_status.rake
new file mode 100644
index 000000000..fb0718608
--- /dev/null
+++ b/lib/tasks/update_organisations_group_profit_status.rake
@@ -0,0 +1,29 @@
+namespace :data_update do
+  desc "Update organisations with data from a CSV file"
+  task :update_organisations, [:csv_path] => :environment do |_task, args|
+    require "csv"
+
+    csv_path = args[:csv_path]
+    unless csv_path
+      Rails.logger.error "Please provide the path to the CSV file. Example: rake data_update:update_organisations[csv_path]"
+      exit
+    end
+
+    CSV.foreach(csv_path, headers: true) do |row|
+      organisation = Organisation.find_by(id: row["id"].to_i)
+      if organisation
+        organisation.skip_group_member_validation = true
+        organisation.update!(
+          profit_status: row["profit_status"].to_i,
+          group_member: true,
+          group: row["group"].to_i,
+        )
+        Rails.logger.info "Updated ORG#{row['id']}"
+      else
+        Rails.logger.warn "Organisation with ID #{row['id']} not found"
+      end
+    end
+
+    Rails.logger.info "Organisation update task completed"
+  end
+end
diff --git a/spec/fixtures/files/organisations_group_profit_status_invalid.csv b/spec/fixtures/files/organisations_group_profit_status_invalid.csv
new file mode 100644
index 000000000..648f9ecde
--- /dev/null
+++ b/spec/fixtures/files/organisations_group_profit_status_invalid.csv
@@ -0,0 +1,2 @@
+id,profit_status,group
+2000,2,4
diff --git a/spec/fixtures/files/organisations_group_profit_status_valid.csv b/spec/fixtures/files/organisations_group_profit_status_valid.csv
new file mode 100644
index 000000000..c8a977db0
--- /dev/null
+++ b/spec/fixtures/files/organisations_group_profit_status_valid.csv
@@ -0,0 +1,2 @@
+id,profit_status,group
+234,3,2
diff --git a/spec/lib/tasks/update_organisations_group_profit_status_spec.rb b/spec/lib/tasks/update_organisations_group_profit_status_spec.rb
new file mode 100644
index 000000000..c2ab4a93a
--- /dev/null
+++ b/spec/lib/tasks/update_organisations_group_profit_status_spec.rb
@@ -0,0 +1,40 @@
+require "rails_helper"
+require "rake"
+
+RSpec.describe "data_update:update_organisations", type: :task do
+  let(:task) { Rake::Task["data_update:update_organisations"] }
+
+  before do
+    Rake.application.rake_require("tasks/update_organisations_group_profit_status")
+    Rake::Task.define_task(:environment)
+    task.reenable
+  end
+
+  context "when the CSV file is valid" do
+    let!(:organisation) { create(:organisation, id: 234) }
+    let(:csv_path) { Rails.root.join("spec/fixtures/files/organisations_group_profit_status_valid.csv") }
+
+    it "updates the organisation fields" do
+      expect {
+        task.invoke(csv_path.to_s)
+      }.to change { organisation.reload.profit_status }.to("local_authority")
+                                                       .and change { organisation.reload.group }.to(2)
+    end
+  end
+
+  context "when the organisation is not found" do
+    let(:csv_path) { Rails.root.join("spec/fixtures/files/organisations_group_profit_status_invalid.csv") }
+
+    it "logs a warning" do
+      expect(Rails.logger).to receive(:warn).with("Organisation with ID 2000 not found")
+      task.invoke(csv_path.to_s)
+    end
+  end
+
+  context "when the CSV path is not provided" do
+    it "logs an error and exits" do
+      expect(Rails.logger).to receive(:error).with("Please provide the path to the CSV file. Example: rake data_update:update_organisations[csv_path]")
+      expect { task.invoke }.to raise_error(SystemExit)
+    end
+  end
+end