Partner With a Trusted Accountant for Your Financial Needs SERVING NEWTOWN SQUARE, VILLANOVA & MEDIA, PA AND THE SURROUNDING AREA William D. Nicholas, CPA is a full-service accounting firm based in Newtown Square, Pennsylvania. We've supported individuals, businesses and corporations with tax prep, accounting, bookkeeping and other services! Our accountant has the ability to work with clients in-person or through a virtual platform for their convenience. With our CPA on your side, you'll be able to stop thinking about your money and start focusing on what really matters - running your business and taking care of your family.