About Thompson Greenspon
<p>Founded in 1956, Thompson Greenspon is a CPA firm with audit, tax, accounting, and advisory services. From its Fairfax office in Northern Virginia, the firm works with organizations across the Washington, DC metro area.</p> <p>The firm’s industry experience includes Construction & Real Estate, Government Contracting, Nonprofits, and Professional Services. For retirement plan sponsors that need an audit, Thompson Greenspon fits within the broader group of <a href="/auditors/401k">401(k) auditors</a> supporting plan reporting and compliance needs.</p> <p>Andrew Henderson, CPA, is part of the Thompson Greenspon team and works with clients in Metro DC and Northern VA. The firm emphasizes long-term client relationships and a practical approach that starts with understanding business goals before recommending next steps.</p> <p>What sets Thompson Greenspon apart is its long track record dating back to 1956, paired with a local focus in the DC-area market.</p> <ul> <li>CPA firm founded in 1956</li> <li>Based in Fairfax, serving Metro DC and Northern Virginia</li> <li>Audit, tax, accounting, and advisory services</li> <li>Industry focus: Construction & Real Estate, Government Contracting, Nonprofits, Professional Services</li> <li>Key contact noted: Andrew Henderson, CPA</li> </ul>
Website: https://www.tgccpa.com/
Founded: 1956
Office Locations
- Fairfax, VA
Accreditations & Certifications
- AICPA EBPAQC
- AICPA Member
Audit Statistics (2024)
- Total Plans Audited: 18
- Total AUM Audited: $903.0M
- 401(k): 18 plans, $903.0M AUM
Plans Serviced (2024)
Largest plans where this firm is listed as a service provider (Schedule C) or IQPA (Schedule H) on the most recent filings (From Form 5500).
| Plan | Sponsor | Assets | Participants |
|---|---|---|---|
| SWISSPORT NORTH AMERICA HOLDINGS, INC. 401(K) SAVINGS AND RETIREMENT PLAN | SWISSPORT NORTH AMERICA HOLDINGS, INC., NC | $174M | 9,283 |
| KELLOGG, HANSEN, TODD, FIGEL & FREDERICK, P.L.L.C. 401(K) PROFIT SHARING PLAN | KELLOGG, HANSEN, TODD, FIGEL & FREDERICK, P.L.L.C., DC | $143M | 217 |
| WILLIAM A. HAZEL, INC. 401(K) INCENTIVE AND SAVINGS PLAN | WILLIAM A. HAZEL, INC., VA | $93M | 610 |
| NIXON & VANDERHYE, P.C. 401(K) PROFIT SHARING PLAN | NIXON & VANDERHYE, P.C., VA | $85M | 100 |
| COMMONWEALTH EMERGENCY PHYSICIANS 401 (K) PLAN | COMMONWEALTH EMERGENCY, TX | $62M | 117 |
| 401(k) Retirement Plan | Healthcare Sponsor, VA | $49M | 113 |
| 401(k) Retirement Plan | Manufacturing Sponsor, VA | $47M | 109 |
| 401(k) Retirement Plan | Professional Services Sponsor, VA | $47M | 1,692 |
| 401(k) Retirement Plan | Technology Sponsor, VA | $43M | 734 |
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