Cassie Hartogs

Tax Office Managing Partner


BDO Greater Washington D.C.



Executive Summary

Cassie has more than 20 years of experience providing diversified strategic tax planning, tax compliance, and examination services. With a focus on serving government contractors, she has managed numerous multi-entity tax engagements for both large and small S-Corporations, C-Corporations and partnerships, as well as individual clients. Cassie’s areas of expertise include; S-Corporation tax planning, including multi-state issues;  mergers and acquisitions; overall strategic tax planning and advisory services.

Professional Affiliations

American Institute of Certified Public Accountants
Certified Public Accountant
Virginia Society of Certified Public Accountants


B.S., Accounting, West Virginia University

Community Involvement

Treasurer – BRAWS
Volunteer at Wolftrap Animal Rescue