diff --git a/app/controllers/api/v1/accounts/captain/units_controller.rb b/app/controllers/api/v1/accounts/captain/units_controller.rb
index 30b37efaf..878c5bb77 100644
--- a/app/controllers/api/v1/accounts/captain/units_controller.rb
+++ b/app/controllers/api/v1/accounts/captain/units_controller.rb
@@ -13,7 +13,7 @@ class Api::V1::Accounts::Captain::UnitsController < Api::V1::Accounts::BaseContr
 
   def create
     @unit = Current.account.captain_units.build(unit_params)
-    @unit.captain_brand_id ||= Captain::Brand.where(account_id: Current.account.id).first&.id
+    @unit.captain_brand_id ||= default_brand.id
     ActiveRecord::Base.transaction do
       @unit.save!
       sync_inbox_link!(@unit)
@@ -44,6 +44,14 @@ class Api::V1::Accounts::Captain::UnitsController < Api::V1::Accounts::BaseContr
     # Dependendo da regra de negócio, pode-se verificar as features da conta aqui original
   end
 
+  def default_brand
+    @default_brand ||= Captain::Brand.where(account_id: Current.account.id).first ||
+                       Captain::Brand.create!(
+                         account_id: Current.account.id,
+                         name: 'Marca padrão'
+                       )
+  end
+
   def set_unit
     @unit = Current.account.captain_units.find(params[:id])
   end
diff --git a/app/javascript/dashboard/routes/dashboard/settings/captain/units/Edit.vue b/app/javascript/dashboard/routes/dashboard/settings/captain/units/Edit.vue
index 3c19ffef0..03db438cc 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/captain/units/Edit.vue
+++ b/app/javascript/dashboard/routes/dashboard/settings/captain/units/Edit.vue
@@ -133,8 +133,11 @@ export default {
         this.$router.push({ name: 'captain_settings_units' });
       } catch (error) {
         const action = this.isNew ? 'ADD' : 'EDIT';
+        const apiError =
+          error?.response?.data?.errors?.join(' | ') ||
+          error?.response?.data?.message;
         useAlert(
-          error?.response?.data?.message ||
+          apiError ||
             // eslint-disable-next-line
             this.$t(`CAPTAIN_SETTINGS.UNITS.${action}.API.ERROR_MESSAGE`)
         );
diff --git a/spec/enterprise/controllers/api/v1/accounts/captain/units_controller_spec.rb b/spec/enterprise/controllers/api/v1/accounts/captain/units_controller_spec.rb
index a99bab78f..ae767cdfa 100644
--- a/spec/enterprise/controllers/api/v1/accounts/captain/units_controller_spec.rb
+++ b/spec/enterprise/controllers/api/v1/accounts/captain/units_controller_spec.rb
@@ -53,5 +53,31 @@ RSpec.describe 'Api::V1::Accounts::Captain::Units', type: :request do
       expect(response).to have_http_status(:unprocessable_entity)
       expect(response.parsed_body['errors'].join).to match(/só pode ser habilitado/i)
     end
+
+    it 'creates a default brand automatically when account has no captain brand' do
+      account_with_no_brand = create(:account)
+      admin_without_brand = create(:user, account: account_with_no_brand, role: :administrator)
+
+      params = {
+        captain_unit: {
+          name: 'Hotel Sem Marca',
+          inter_client_id: 'cid',
+          inter_client_secret: 'csecret',
+          inter_pix_key: '12345678901',
+          inter_account_number: '210339349'
+        }
+      }
+
+      expect(Captain::Brand.where(account_id: account_with_no_brand.id).count).to eq(0)
+
+      post "/api/v1/accounts/#{account_with_no_brand.id}/captain/units",
+           params: params,
+           headers: admin_without_brand.create_new_auth_token
+
+      expect(response).to have_http_status(:created)
+      brands = Captain::Brand.where(account_id: account_with_no_brand.id)
+      expect(brands.count).to eq(1)
+      expect(Captain::Unit.last.captain_brand_id).to eq(brands.first.id)
+    end
   end
 end