Braintree, MA

Located in Braintree, MA, Withum proudly stands as one of the nation’s top 25 CPA firms.

Braintree Office

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!

Braintree Service Specializations

Salt shaker with MA, representing the state of Massachusetts.

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!

Massachusetts SALT Updates

Beyond the Region

  • Inside Public Accounting Top 100 Firms – 22nd Largest Nationally
  • Accounting Today Top 100 Firms – 22nd Largest Nationally
  • Great Place to Work® – Fortune Best Workplaces for Parents and Women
  • Vault Top 25 Accounting Firm
Inside Public Accounting Top 100 Firms 2024 logo
Certified Place to Work 2025-2026
Francis-O'Brien_Web

Partner In Charge

Francis X. O’Brien II, CPA, CIA, CFE

Frank O’Brien is the partner-in-charge of Withum’s Braintree, MA office with over 27 years of experience serving closely held businesses and nonprofits. He also has extensive experience with managing an internal audit and fraud division function. He serves as leader for Withum’s Warranty Reimbursement Team, which prepares over 600 submissions per year. Additionally, Frank also has extensive experience managing a variety of Automotive Advisory projects including forensic, internal audit and expert witness engagements.

 

Braintree Leadership

Kevin-Carnes_Web
Partner, Lead, Transaction Advisory
Braintree, MA
Kimberly-Reed_Web
Partner, Market Leader, Employee Benefit Plans
Braintree, MA
lauren carnes headshot
Partner
Braintree, MA

Withum in the News

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Eighteen team members have been promoted to partner across Withum offices nationwide, joining the Firm’s corporate leadership and contributing to its continued growth and success.
Withum Names Eighteen New Partners

Introducing Our 18 New Partners 

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Withum leadership changes 2026
Withum Announces 2026 Firmwide Leadership Transitions

This next generation of leaders step forward at a pivotal time for the Firm, bringing the technical expertise and strategic perspective needed to navigate continued growth, rapidly advancing technology and an ever-evolving industry landscape. Grounded in the Withum Way mentality, they will shape what’s ahead while preserving the culture that remains central to how the…

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columbia-office-news-post
Withum’s Columbia Office Welcomes Greater Baltimore

Withum team members, clients and community leaders, including representatives from Howard County and the Central Maryland Chamber, came together to mark the official “door opening” on the new location. The ribbon-cutting ceremony highlighted the evening, which featured citations presented by community leaders welcoming Withum to the Columbia region and recognizing its strong ties to the…

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Nadia Matthie
Nadia Matthie Appointed as Chair of the AICPA’s Employee Benefit Plans Expert Panel

The AICPA’s Employee Benefit Plans Expert Panel was formed to protect the public interest and agree on key plan issues by leveraging the knowledge of leaders in the employee benefit plan industry. Nadia’s deep expertise makes her a valuable asset to help further the panel’s mission as Chair of the group. Nadia has more than…

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