Wilkin & Guttenplan Home Home Wilkin & Guttenplan, P.C. is a certified public accounting and consulting firm located in East Brunswick, New Jersey and recognized by NJBiz as one of the state's Top 20 CPA firms. We are known for serving closely-held/middle market businesses and their ownership, high-net worth individuals, professional practices and a multitude of real estate entities. Our specialized expertise includes tax, estate and trust services and litigation support, as well as, niche markets such as sports and entertainment.