Simonsgroup Tax Advisory is a Washington, DC-based tax advisory firm established in 2010. The company provides proactive, year-round tax planning and financial advisory services for business owners, entrepreneurs, high-income professionals, executives, and real estate investors. Its services include tax planning and preparation, strategic tax planning, bookkeeping and financial reporting, prior-year filing, IRS representation, and real estate tax strategy. Simonsgroup focuses on helping clients make informed financial decisions, improve tax efficiency, maintain compliance, and build long-term financial clarity through a strategy-first approach.