It’s important to purchase a domain name first before you incorporate your company. Why?
If you select a name for company, it’s possible that the domain name is not available. Now, you are stuck with a name that you cannot get a domain name for because it’s unavailable. To search a domain name availability go to; www.whois.com and search for your desired name for your company. If you find a desirable domain name, incorporate it for your business.