Justin Gilmartin, JD

Managing Director, Tax Services

Boston, MA
Focus Areas

Stock Options and Equity Compensation
Tax Planning
Estate Planning

Client Specialty

Executives
Business Owners
Professionals

As the Managing Director of Tax Services at The Colony Group, Justin leads a team that prepares over 3,000 individual, trust, entity, and foundation tax returns annually. Justin is a member of our Diversity, Equity, and Inclusion Council. Prior to joining The Colony Group, he worked for Kahn, Litwin, Renza & Co. where he prepared and reviewed tax returns for high net worth individuals as well as partnerships and corporations.

Justin earned his Bachelor of Arts from Holy Cross majoring in Economics and Accounting. He went on to receive a Juris Doctor from Boston College Law School and is admitted to practice law in the Commonwealth of Massachusetts. In his spare time, Justin enjoys spending time with his wife and two daughters, traveling, and golf.

Published Insights

Year-End Tax Planning 2023

With a divided Congress and the 2024 elections on the horizon, it is unlikely that we will see any major federal tax legislation in the immediate future. In turn, the approaching sunset of many individual tax provisions of the Tax Cuts and Jobs Act of 2017 (“TCJA”) looms large....

Year-End Tax Planning 2022

For the past two years we have prepared for the potential passage of major tax legislation. Due to razor-thin margins in Congress, however, the sweeping proposals of the Build Back Better Act have given way to the more modest Inflation Reduction Act (the “Act”). Now, with the midterm elections...

Now’s a Good Time to Focus on Tax-Loss Harvesting. Here Are 7 Tips.

“Sometimes the best move is not to make any move,” says Justin Gilmartin of The Colony Group to Cheryl Winokur Munk via Barron’s. Read...

YEAR-END TAX PLANNING 2021

Last year at this time we were faced with uncertainty regarding potential tax-related changes, preparing for potentially massive changes to the income and estate tax rules. The proposed tax changes ultimately became part of a bill called The Build Back Better Act (“BBBA”). Throughout the summer and into fall...

Webinar Recording – Caution: Tax Changes Ahead

The Biden Administration has proposed sweeping changes to the tax code that could affect your taxes in many areas, including personal income, employment, estate, gift, and corporate taxes. With the Senate split 50-50, are these changes likely to happen, and, if so, when? How should you prepare your family...

What You Need to Know About the Latest COVID-19 Relief Bill

Last week, Congress passed a $900 billion relief bill called The Consolidated Appropriations Act, 2021 (the Act).  The legislation was signed into law by the President on Sunday, December 27, 2020.  Here are some of the key provisions. Expenses Funded by Forgiven PPP Loans Are Now Tax Deductible Ever...

Year-End Tax Planning 2020

The many challenges of 2020 have of course been exacerbated by the heightened uncertainty surrounding them. While the human challenges remain the most critical, from a financial-planning perspective, many were hoping that the 2020 elections would at least provide a clearer direction of where tax policy is headed. Instead,...

Should you plan for higher taxes now? Yes, say tax professionals.

With the election just around the corner, we thought it would be helpful to alert you to some of the tax planning ideas we are currently considering for clients. Normally, year-end tax planning is focused on one simple concept: defer income and accelerate deductions. This year, however, the opposite...

2019 YEAR-END TAX PLANNING

It has now been almost two years since the Tax Cuts and Jobs Act (TCJA) passed at the end of 2017.  The stated intention of the TCJA was to simplify the tax code by lowering the base rates and eliminating many longstanding deductions. While the base rates are lower,...