Connect with Top-Rated Accountants in Mount Sinai, NY

We at John F. Dennehy CPA are a team of certified public accountants who service clients throughout Long Island. The services that we provide are comprehensive, and we can resolve multiple accounting needs for a client. Every client that our accountants serve also gains the following benefits: Expert Insight, Diverse Capabilities, Professional Service, and Custom Solutions. Our accountants specialize in multiple fields of accounting, including Corporate Accounting, P&L Reporting, Incorporation Services, Estate Tax Returns, Claims Auditing for School Districts, Personal Tax Income Returns, Fiduciary Income Tax Returns, and Tax Auditing Representation. We value the time of every last one of our clients, and that is why we offer FREE consultations for all of our accounting services.