Sirius Tax Group is a full-service firm serving the metropolitan Washington DC area, based in Montgomery County, MD. From any tax advisory and preparation needs you might have to tax planning for your upcoming goals and dreams, Sirius Tax Group is here for you or your business. We specialize in ITIN Services. Our clients are from around the world and whatever type of Visa you possess or your immigration status, we're here to assist you. Sirius Tax Group is also authorized to apply for EINs for individuals and entities that need to comply with their U.S. business tax obligations. With over 25 years of business strategy, consulting and startup advice, Sirius Tax Group provides robust business solutions for small businesses and entrepreneurial startups as well as high level business and marketing plans.