Located in Braintree, MA, Withum proudly stands as one of the nation’s top 25 CPA firms. We specialize in exceptional accounting, tax and advisory services, serving businesses and individuals throughout the South Shore with unmatched expertise. Our comprehensive portfolio caters to a wide range of industries, helping you facilitate growth, ensure compliance with federal regulations and anticipate hurdles your organization may face. Experience a CPA firm dedicated to collaboration and trust…plus a whole suite of advisory solutions that will level up your success. That’s the Power in the Plus!

Find Our Braintree Office

Braintree Accounting and Advisory Service Specializations

Employee Benefit Plan Services

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Forensic and Valuation Services

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Massachusetts State and Local Tax Updates

Do you or your organization operate in multiple states? Do you own property in a variety of states? Massachusetts State and Local Tax (SALT) laws are always changing and understanding the nuances of the states that you own or operate in is challenging. In these Massachusetts resources, you’ll find just a dash of the most up-to-date details on rules and regulations as state and local tax changes happen by state!

Industries We Focus on in Braintree

Withum in the Braintree Community

We’re proud to support businesses in the South Shore area while remaining equally committed to giving back to this community, which we call home. Whether it’s participating annually in the Jimmy Fund Telethon, dedicating service hours to impactful organizations like Cradles to Crayons and The Salvation Army, or volunteering during Withum’s Week of Caring, our team comes together to make a difference. From organizing holiday gift drives to support local South Shore families to engaging in hands-on initiatives, we take pride in contributing beyond the workplace and strengthening the bonds within our community.

Standing Out in the South Shore

  • #15 Largest Accounting Firms - Boston Business Journal's Book of Lists
  • Boston Business Journal’s LGBT Corporate Ally Award

Beyond the Braintree Office

Partner In Charge

Francis X. O’Brien

With more than 24 years of professional experience, Frank specializes in auto dealerships, closely held businesses, and nonprofit organizations. He brings deep expertise in managing internal audit and fraud detection functions, ensuring operational integrity and compliance. A key focus of his work lies in leading the warranty reimbursement function within the dealership sector, where he has spent over 15 years successfully securing retail-rate warranty repair approvals for thousands of dealers nationwide.

Braintree Leadership

Kevin J. Carnes

Partner

Braintree, MA

Mark V. Dow

Partner

Braintree, MA

Kimberly A. Reed

Partner

Braintree, MA

Lauren A. Carnes

Partner

Braintree, MA

Contact the Braintree Office