Transaction Advisory
Boston, MA
Located in the heart of Boston’s Seaport District, Withum is one of the nation’s top 25 accounting and advisory firms.
Withum Plus Boston
Our team of experienced professionals offers tailored solutions across a wide range of industries. We’ll help you through every stage, ensure you have a sustainable business plan and can navigate your growth. We help clients take on today’s complex business landscape by leveraging a technology-forward approach…plus a whole suite of advisory solutions that will level up your success. That’s the Power in the Plus!
(617) 227 3333
Boston Service Specializations
Cybersecurity
Forensic and Valuation Services
Outsourced Accounting Systems and Services
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 Boston
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
Leonard M. Smith, CPA, MSALenny is the partner-in-charge of the Withum’s Seaport office in Boston, MA and Woburn office, bringing over 20 years of expertise in public accounting. As the leader of the Life Science Tax Practice, he specializes in corporate and pass-through taxation, guiding clients through complex financial strategies and tax opportunities. His expertise covers R&D tax credits, Qualified Small Business Stock benefits, M&A transactions, Section 382 limitations, transfer pricing, and equity-based compensation. Additionally, Lenny has a deep understanding of business succession planning and tax controversy, ensuring his clients receive forward-thinking solutions and sound guidance.
Boston Leadership
Withum in the News
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…
Sameer Uddin Named to Caseware’s 2026 30 Under 30
Advancing Audit Innovation Sameer has played a key role in advancing Withum’s use of audit technology, helping teams adopt new methodologies, improve efficiency and enhance consistency across engagements. A trusted resource for technology implementation, he has been instrumental in the Firm’s adoption of Caseware Cloud and Dynamic Assurance Solutions (DAS) applications. Driving Firmwide DAS Adoption…
Withum Team Members Named as INNOVATE100 Honorees
Leading Industry with a Tech–Forward Vision Matt Walsh, partner and practice leader of Withum’s Industrial and Consumer Products Services Team, was honored in the Finance/Accounting category for helping modernize the Firm’s technology ecosystem. His leadership has supported initiatives that enhance efficiency, streamline workflows and better align technology with evolving client needs, including work with Caseware…
Contact Us
We will make every attempt to respond to your inquiry in a timely manner.