William H. Gaggos

William H. Gaggos is an attorney whose practice at Gaggos Flaggman, PLLC focuses on estate planning law, probate and estate administration, business law, asset protection, tax planning, and succession matters. He brings a strong understanding of tax, trust, property, and business issues to clients seeking practical solutions. His work is centered on helping individuals, families, and business owners organize their affairs, reduce uncertainty, and prepare for future transitions. Through detailed planning strategies, he helps clients protect assets, preserve wealth, and address long term goals effectively.

William earned a Bachelor’s Degree in Accounting from Michigan State University and later received a J.D. from the University of Detroit. He began his professional career in public accounting, where he developed knowledge of complex tax matters affecting high net worth families. His accounting background gave him insight into partnership taxation, gift tax planning, and financial structures. The combination of legal and accounting education allows him to evaluate issues from multiple perspectives and provide well informed guidance to clients.

William expanded his experience by working with tax consulting organizations that handled a wide range of legal and financial matters. Over the years, he gained experience in partnership, corporate, individual, estate, and gift taxation while also assisting clients with planning concerns. He worked directly with individuals facing significant tax obligations and helped them understand available options. This practical experience strengthened his ability to identify risks, create protective strategies, and develop solutions tailored to each client’s circumstances and objectives and needs.

William H. Gaggos continues to help clients create comprehensive plans that support family, business, and legacy goals. His practice emphasizes clear communication, careful analysis, and strategies designed to address future challenges before they arise. Clients benefit from his background in both accounting and law when navigating estate administration, succession planning, and tax related decisions. By combining technical knowledge with practical guidance, William helps people make informed choices and build stronger foundations for long term success and security overall.

Law Office Affiliations

• Shareholder & Partner, Gaggos Flaggman, PLLC
• Member, Michigan State Bar

Licensed State

• Michigan

Education

• University of Detroit
  Juris Doctor (JD)
• Michigan State University
  BA in Accounting

Awards & Badges