According to the query calendar network, the branch holding company cannot directly cancel the exclusive brokerage. If you want to cancel the exclusive broker, you can only cancel the account of Shell APP, so all services will be terminated. If you need to change the exclusive broker on the APP of Keke Holding Company, you can directly contact the service desk 10 109666 for consultation. The brokers of Secco Holding Company are all real estate agents of Shell Company. If you really want to cancel the exclusive broker, you need to contact the customer service in the app of Ke Holding Company.