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Marcum LLP

Brett McGrath

Brett  McGrath, Partner-in-Charge, Tax Services -  Connecticut, Tax & Business
Partner-in-Charge, Tax Services - Connecticut
Tax & Business
*Licensed by the State of Connecticut

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185 Asylum Street
17th Floor
Hartford, CT 06103

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Brett McGrath is a Partner in the Firm's Hartford, Connecticut office and the Partner-in-Charge of the Connecticut Tax Department managing Hartford, New Haven and Greenwich. As a member of the Firm's National Construction Industry group and its State and Local Tax Practice group, Mr. McGrath has more than 20 years of experience providing federal and state tax consulting and compliance services to corporations, partnerships and individual clients.

Mr. McGrath has extensive experience working with construction contractors, developers and homebuilders; manufacturers; service corporations; and sports and entertainment professionals. He provides tax accounting for long-term contracts, accounting methods and look-back filings. Mr. McGrath's corporate and individual tax experience includes multinational tax and state tax compliance research and planning.

Mr. McGrath shares his tax accounting knowledge with industry and professional organizations. He is a frequent speaker on tax matters for construction companies.

Prior to joining the Firm, Mr. McGrath spent several years at a "Big 4" accounting firm. Earlier in his career, he was a Corporate Tax Specialist at a multi-national manufacturing company.

Professional & Civic Affiliations
  • American Institute of Certified Public Accountants (AICPA)
  • The Connecticut Society of Certified Public Accountants (CTCPA)
  • Cedar Hill Cemetery & Foundation, Board of Directors
  • Walter Camp Foundation
Articles, Seminars & Presentations
  • Comprehensive Repair & Cost Capitalization Regulations, National AICPA Construction Conference, 2012
  • Tax Panel, AICPA National Construction Industry Conference, 2012
  • Fundamentals of Construction Taxation, National AICPA Construction Conference, 2010
  • Fundamentals of Construction Taxation, National AICPA Construction Conference, 2009
  • Long-Term Construction Contract Accounting: A Tax Strategies Checklist, Journal of Construction Accounting and Taxation, March/April 2006
  • Fundamentals of Construction Accounting, National AICPA Construction Conference, 2008
  • Tax Accounting Methods and Their Impact on Deferred Income Taxes under FAS 109, National Association of Independent Sureties, 2007
  • Construction Accounting, CSCPA, 1998-2006
  • Advanced Tax Issues, Florida Institute of Certified Public Accountants Annual Construction Industry Conference, 2005
Practice Focus

Construction Contractors
Developers & Homebuilders
Service Corporations
Sports & Entertainment Professionals


Masters of Science, Taxation
Bentley University

Bachelor of Science, Accounting
University of Massachusetts

Related Insights & News

Tax Partners Diane Giordano and Brett McGrath co-authored an article for the Hartford Business Journal, about how start-up companies can benefit from the new Research & Development Credit Payroll Tax Offset.


The new payroll tax offset, effective as of 2016, allows companies to receive a benefit for research activities regardless of profitability.

Connecticut Tax Partner-in-Charge Brett McGrath and Tax Principal Michael D'Addio discussed Marcum's talent bench during busy season with the Hartford Business Journal.


Tax season is always hectic for accounting firms — which for years have called in temporary reinforcements, from college interns to experienced freelance tax professionals ....

Article by Brett McGrath, Partner, Tax & Business Services, "Time for an Estate Planning Checkup," Featured in Hartford Business Journal


Just as we should all be going to our family doctors as we get older to make sure we are healthy and in good physical ....

Article by Brett McGrath, Partner, Tax & Business Services and John Vozzo, Director, Tax and Business Services, "Use R&D Credits to Let the IRS Pay Your Taxes," Featured in The Hartford Business Journal.


The federal Research and Development Tax Credit is an incentive program providing taxpayers a dollar-for-dollar reduction of their tax liability; in effect, the Internal Revenue ....

Marcum's Recent New Partners-in-Charge & New Partners Featured in The Metropolitan Corporate Counsel article "Marcum Welcomes New Partners-in-Charge, Names New Partners"


Marcum LLP has named Timothy R. Larson as partner-in-charge (PIC) of the firm’s New York Tax Department and Brett McGrath partner-in-charge (PIC) of the firm’s ....

Brett McGrath, Tax & Business Services Partner, Interviewed by The Hartford Business Journal: "CPAs Under the Gun as Tax Season Nears"


Q&A talks about the impending tax season with Brett McGrath, a tax partner in the Hartford office of Marcum Accountants and Advisors.




Marcum LLP is one of the largest independent public accounting and advisory services firms in the nation, with offices in major business markets throughout the U.S., as well as Grand Cayman, China and Ireland.

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