Exceptional Tax & Accounting Services LLC are Brooklyn, New York Based Tax & Accounting Company. If you are looking for a blend of personal service and expertise, They offer a broad range of services for business owners, executives and independent professionals. An accounting firm is known for the quality of its service. their firm’s reputation reflects the high standards they demand of themselves. their firm provides outstanding service to their clients because of their dedication to the three underlying principles of professionalism, responsiveness and quality.