All businesses can file for a certificate directly with the county clerk's office in the borough in which they are based. You must file the certificate in the office of the County Clerk in the county where your business is located.Get the Certificate of Assumed Name form. Visit the NYS Business Wizard to determine the requirements for your business and apply for the right license or permit. Browse 211 businesses for sale in Queens County, NY on BizBuySell. We provide a free, confidential consultation to businesses that fill out our seller registration form. Starting a business in New York is easy. All you need to do is file a few forms with the New York Department of State and start running your business. There are two different Business certificates that can be filed in the state of New York. To search a business or corporation on file within the Queens County Clerk's Office please access our link below.