We all like communicating in different ways. Maybe you prefer e-mail. Other people prefer phone.
Be sure the incorporation service you choose offers a support mode that suits you. For significant purchases such as incorporating a business, I assess customer support before a purchase by the level of assistance I get with the sales department.
Of course, the sales assistance isn't 100% indicative of the actual support you'll receive, but it's a good start in your decision-making process.
Some online incorporation services offer access to an attorney. If you require legal advice to determine the structure and other details of your incorporation, then the service with access to legal advice may be the service for you.
https://www.easycorp.com.hk