MCAT of Nassau, LLC, also known as MC Accounting & Tax Services is based in Uniondale, New York provides a full range of tax preparation, accounting and bookkeeping services, either in your facility or at our location. We can provide qualified accounting professionals who can ensure that your financial records are maintained correctly and accurately. Our bookkeepers can also assist in setting up and training your staff on the financial systems that you might be using or installing, such as QuickBooks or other legacy systems. We work with you to ensure that your personal or business processes are conducted in a manner that ensure's ongoing integrity in your financial transactions. Accounting services no longer require in-house staff and all the accompanying overhead expenses and hassles. Advances in technology now allow us to securely provide you with accounting and bookkeeping services anywhere in the world. You can access your financial information and business files online, anytime, for a fraction of the cost of in-house accounting.