Anyone who will operate a business in Suffolk County under a name, other than his or her own, must file a Business Certificate with the County Clerk’s Office. Research the business name you choose at the Suffolk County Clerk’s website Business Certificates and Corporations databases to insure no one else is using that name. 



Note: Under no circumstances will searches be conducted by phone. 

General Information

Free counseling is available for new business owners from the following organizations. 

New York State Small Business Development Center :
 

S.C.O.R.E./Small Business Administration (Melville)  (631) 454-0771

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