Turner & Costa, P.C. is a distinguished CPA firm in Northern Massachusetts with locations in Westford and Marlborough, established in 1978 by Robert Turner, Sr. We offer a comprehensive menu of services including individual and corporate tax preparation, accounting and bookkeeping, and new business advising, all delivered with a commitment to quality and value. Our expertise encompasses a wide range of industries, including construction, medical practices, real estate, and retail. We work with businesses and individuals in Chelmsford, Westford, Marlborough and throughout Northern Massachusetts and Southern New Hampshire. With a commitment to exceptional service, we believe that our success depends entirely on the success of our clients.