Employee Benefit Plan Services
Braintree, MA
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!
Braintree Service Specializations
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
Beyond the Region
- Inside Public Accounting Top 100 Firms – 23rd 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
Partner In Charge
Francis X. O’Brien II, CPA, CIA, CFEFrank 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
Withum in the News
Buffalo Business First Names Michelle Sullivan to 2026 Power 200 Women List
Leadership in Audit and Advisory As an audit partner with more than 30 years of experience, Michelle serves clients in the not-for-profit, employee benefit plan and real estate sectors. Her nonprofit expertise spans health and welfare organizations, higher education and cultural institutions and public foundations with significant investment and endowment assets. Michelle works closely with…
LA Times Names Two Withum Partners as Private Equity and M&A Visionaries
Johnny Minassian Johnny Minassian is a partner providing assurance, accounting and consulting services to investment advisers and private funds. He serves hedge, commodity, private equity, venture capital, loan and real estate funds throughout their life cycles. Johnny has helped grow the Firm’s Financial Services practice in Southern California and is connected to the deal community,…
Farber Hass Hurley LLP Joins Practice With Withum
LOS ANGELES, September 1, 2026 – Withum, a top 20 advisory and accounting firm, announced today that Farber Hass Hurley LLP (FHH CPAs), a public accounting and tax firm headquartered in Chatsworth, CA, has joined its practice effective September 1, 2026. “Farber Hass Hurley’s joining Withum is an important step in our continued growth on…
NJBIZ Names Two Withum Leaders to Finance Power List
Pat Walsh Pat was recognized for his relentless dedication to elevating Withum’s position as a top 20 advisory, accounting and tax firm. This recognition reflects Pat’s leadership and the Firm’s consistent year-over-year growth and strategic expansions into new markets under his guidance. His commitment and contributions to the profession have earned him numerous accolades, including…
Los Angeles Business Journal Names Two Withum Leaders as Women of Influence in Accounting
Kimberly Ravenell, tax partner, was recognized for her commitment to client service and mentorship. With more than 30 years of experience advising high-net-worth individuals and closely held businesses, she provides tax planning and compliance guidance. Kim has played a key role in guiding her team and clients through significant industry and regulatory changes while supporting…
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