CST Group is a certified public accounting firm serving Northern Virginia and the Washington, D.C. region for over 45 years. ... We provide comprehensive accounting, tax, and business advisory services for small businesses, medical practices, real estate firms, government contractors, non-profit organizations, as well as for professionals and business owners. Our mission is to deliver forward-thinking client-centric solutions and industry-specific expertise from top-tier professionals. We steer our clients to success with innovative and effective solutions to their most pressing accounting, tax, and business challenges. Our team is comprised of experienced professionals dedicated to providing timely, highly personalized service to our clients. Over the years, CST Group has built significant long-term client relationships rooted in trust, transparency, and respect. CST Group is consistently ranked among the top certified public accounting firms in the Washington, D.C. region. Recent awards include 2018 When Work Works Award, 2018 Best of the Best Firms by INSIDE Public Accounting, 2018 Top 300 Firms by INSIDE Public Accounting and Washingtonian’s 2018 Top Wealth Adviser. read more