diff --git a/app/graphql/mutations/namespaces/members/bulk_invite.rb b/app/graphql/mutations/namespaces/members/bulk_invite.rb
new file mode 100644
index 00000000..132d9856
--- /dev/null
+++ b/app/graphql/mutations/namespaces/members/bulk_invite.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Mutations
+  module Namespaces
+    module Members
+      class BulkInvite < BaseMutation
+        description 'Invite multiple new members to a namespace.'
+
+        field :namespace_members, [Types::NamespaceMemberType],
+              description: 'The newly created namespace members'
+
+        argument :namespace_id, Types::GlobalIdType[::Namespace],
+                 description: 'The id of the namespace which these members will belong to'
+        argument :user_ids, [Types::GlobalIdType[::User]], description: 'The ids of the users to invite'
+
+        def resolve(namespace_id:, user_ids:)
+          namespace = SagittariusSchema.object_from_id(namespace_id)
+          users = user_ids.map { |id| SagittariusSchema.object_from_id(id) }
+
+          if namespace.nil?
+            return { namespace_members: nil,
+                     errors: [create_error(:namespace_not_found, 'Invalid namespace')] }
+          end
+          if users.any?(&:nil?)
+            return { namespace_members: nil,
+                     errors: [create_error(:user_not_found, 'Invalid user')] }
+          end
+
+          ::Namespaces::Members::BulkInviteService.new(
+            current_authentication,
+            namespace,
+            users
+          ).execute.to_mutation_response(success_key: :namespace_members)
+        end
+      end
+    end
+  end
+end
diff --git a/app/graphql/types/mutation_type.rb b/app/graphql/types/mutation_type.rb
index 47964c83..c0a46099 100644
--- a/app/graphql/types/mutation_type.rb
+++ b/app/graphql/types/mutation_type.rb
@@ -10,6 +10,7 @@ class MutationType < Types::BaseObject
     mount_mutation Mutations::Ai::GenerateFlow
     mount_mutation Mutations::Echo
     mount_mutation Mutations::Namespaces::Members::AssignRoles
+    mount_mutation Mutations::Namespaces::Members::BulkInvite
     mount_mutation Mutations::Namespaces::Members::Delete
     mount_mutation Mutations::Namespaces::Members::Invite
     mount_mutation Mutations::Namespaces::Projects::AssignRuntimes
diff --git a/app/services/namespaces/members/bulk_invite_service.rb b/app/services/namespaces/members/bulk_invite_service.rb
new file mode 100644
index 00000000..5a97d2ff
--- /dev/null
+++ b/app/services/namespaces/members/bulk_invite_service.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module Namespaces
+  module Members
+    class BulkInviteService
+      include Sagittarius::Database::Transactional
+
+      attr_reader :current_authentication, :namespace, :users
+
+      def initialize(current_authentication, namespace, users)
+        @current_authentication = current_authentication
+        @namespace = namespace
+        @users = users
+      end
+
+      def execute
+        transactional do |transaction|
+          namespace_members = users.map do |user|
+            response = InviteService.new(current_authentication, namespace, user).execute
+            transaction.rollback_and_return!(response) if response.error?
+
+            response.payload
+          end
+
+          ServiceResponse.success(message: 'Namespace members invited', payload: namespace_members)
+        end
+      end
+    end
+  end
+end
diff --git a/docs/graphql/mutation/namespacesmembersbulkinvite.md b/docs/graphql/mutation/namespacesmembersbulkinvite.md
new file mode 100644
index 00000000..77900e63
--- /dev/null
+++ b/docs/graphql/mutation/namespacesmembersbulkinvite.md
@@ -0,0 +1,21 @@
+---
+title: namespacesMembersBulkInvite
+---
+
+Invite multiple new members to a namespace.
+
+## Arguments
+
+| Name | Type | Description |
+|------|------|-------------|
+| `clientMutationId` | [`String`](../scalar/string.md) | A unique identifier for the client performing the mutation. |
+| `namespaceId` | [`NamespaceID!`](../scalar/namespaceid.md) | The id of the namespace which these members will belong to |
+| `userIds` | [`[UserID!]!`](../scalar/userid.md) | The ids of the users to invite |
+
+## Fields
+
+| Name | Type | Description |
+|------|------|-------------|
+| `clientMutationId` | [`String`](../scalar/string.md) | A unique identifier for the client performing the mutation. |
+| `errors` | [`[Error!]!`](../object/error.md) | Errors encountered during execution of the mutation. |
+| `namespaceMembers` | [`[NamespaceMember!]`](../object/namespacemember.md) | The newly created namespace members |
diff --git a/spec/requests/graphql/mutation/namespace/members/bulk_invite_mutation_spec.rb b/spec/requests/graphql/mutation/namespace/members/bulk_invite_mutation_spec.rb
new file mode 100644
index 00000000..883c0e6b
--- /dev/null
+++ b/spec/requests/graphql/mutation/namespace/members/bulk_invite_mutation_spec.rb
@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'namespacesMembersBulkInvite Mutation' do
+  include GraphqlHelpers
+
+  subject(:mutate!) { post_graphql mutation, variables: variables, current_user: current_user }
+
+  let(:mutation) do
+    <<~QUERY
+      mutation($input: NamespacesMembersBulkInviteInput!) {
+        namespacesMembersBulkInvite(input: $input) {
+          #{error_query}
+          namespaceMembers {
+            id
+            user {
+              id
+            }
+            namespace {
+              id
+            }
+          }
+        }
+      }
+    QUERY
+  end
+
+  let(:namespace) { create(:namespace) }
+  let(:users) { create_list(:user, 2) }
+  let(:input) do
+    {
+      namespaceId: namespace.to_global_id.to_s,
+      userIds: users.map { |user| user.to_global_id.to_s },
+    }
+  end
+  let(:variables) { { input: input } }
+  let(:current_user) { create(:user) }
+
+  context 'when user has permission' do
+    before do
+      create(:namespace_member, namespace: namespace, user: current_user)
+      stub_allowed_ability(NamespacePolicy, :invite_member, user: current_user, subject: namespace)
+    end
+
+    it 'creates all namespace members and their audit events' do
+      mutate!
+
+      member_ids = graphql_data_at(:namespaces_members_bulk_invite, :namespace_members, :id)
+      namespace_members = member_ids.map { |id| SagittariusSchema.object_from_id(id) }
+
+      expect(namespace_members.map(&:user)).to match_array(users)
+      expect(namespace_members.map(&:namespace)).to all(eq(namespace))
+      expect(
+        AuditEvent.where(
+          action_type: :namespace_member_invited,
+          entity_type: 'NamespaceMember',
+          entity_id: namespace_members.map(&:id)
+        ).count
+      ).to eq(2)
+    end
+
+    it 'rolls back all invitations when one user is already a member' do
+      create(:namespace_member, namespace: namespace, user: users.last)
+
+      expect { mutate! }.not_to change { namespace.namespace_members.count }
+
+      expect(graphql_data_at(:namespaces_members_bulk_invite, :namespace_members)).to be_nil
+      expect(
+        graphql_data_at(:namespaces_members_bulk_invite, :errors, :details)
+      ).to include([{ 'attribute' => 'namespace', 'type' => 'taken' }])
+    end
+  end
+
+  context 'when user does not have permission' do
+    it 'returns an error without creating members' do
+      expect { mutate! }.not_to change { NamespaceMember.count }
+
+      expect(graphql_data_at(:namespaces_members_bulk_invite, :namespace_members)).to be_nil
+      expect(
+        graphql_data_at(:namespaces_members_bulk_invite, :errors, :error_code)
+      ).to include('MISSING_PERMISSION')
+    end
+  end
+end
diff --git a/spec/services/namespaces/members/bulk_invite_service_spec.rb b/spec/services/namespaces/members/bulk_invite_service_spec.rb
new file mode 100644
index 00000000..9d70adaf
--- /dev/null
+++ b/spec/services/namespaces/members/bulk_invite_service_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Namespaces::Members::BulkInviteService do
+  subject(:service_response) do
+    described_class.new(create_authentication(current_user), namespace, users).execute
+  end
+
+  let(:namespace) { create(:namespace) }
+  let(:users) { create_list(:user, 2) }
+  let(:current_user) { create(:user) }
+
+  context 'when user has permission' do
+    before do
+      stub_allowed_ability(NamespacePolicy, :invite_member, user: current_user, subject: namespace)
+    end
+
+    it 'creates an audit event for every invited member' do
+      expect { service_response }.to change {
+        AuditEvent.where(action_type: :namespace_member_invited).count
+      }.by(users.count)
+
+      events = AuditEvent.where(
+        action_type: :namespace_member_invited,
+        entity_type: 'NamespaceMember'
+      )
+
+      expect(events.pluck(:entity_id)).to match_array(service_response.payload.map(&:id))
+      expect(events).to all(
+        have_attributes(
+          author_id: current_user.id,
+          details: {},
+          target_id: namespace.id,
+          target_type: 'Namespace'
+        )
+      )
+    end
+  end
+end