Business Tax
New York, NY
Located just a block away from Times Square, Withum is one of the largest advisory, tax and accounting firms in New York City.
We are dedicated to helping all types of companies, like real estate, construction, technology, financial services, theater and many more, flourish within the vibrant and diverse business landscape of the Big Apple. We provide a comprehensive range of traditional tax and audit services plus a suite of advisory services tailored to meet the unique needs of NYC businesses and propel them to success.
(212) 751 9100
New York Service Specializations
Assurance and Accounting
Employee Benefits Plan Services
Public Company SEC Compliance & Reporting
International Tax
Tax Credits
Outsourced Accounting Systems and Services (OASyS)
Data Analytics
Digital Workplace Solutions
Global Transfer Pricing
Individual Tax
Private Client Services
New York State and Local Tax Updates
Do you or your organization operate across state lines? Own property in multiple locations? Navigating State and Local Tax (SALT) rules can be tricky—especially in New York, where regulations are constantly evolving. Whether you’re based in Buffalo or doing business throughout the state, staying on top of the latest updates is key. In these New York-focused resources, you’ll find just a dash of the most current insights to help you stay informed as SALT laws shift from region to region.
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
Partner In Charge
Michael G. Stallone, CPAMike is the partner-in-charge of the firm’s New York office and has over 25 years of professional accounting experience. He specializes in accounting and auditing services for privately-held companies and tax planning for high-net-worth individuals and other entities. Industries of expertise include real estate, service businesses, manufacturing and distribution.
Prior to joining Withum, Mike was a partner with EisnerLubin LLP (joined with Withum in 2011). Mike resides in Monmouth County, NJ.
New York Leadership
Withum in the News
Fortune Media and Great Place to Work Name Withum Among Best Workplaces in New York
Ranking at number 22 on the Large Business list, Great Place to Work recognized the Firm for its strong culture and team-centric approach, highlighting its distinctive benefits such as flexible schedules, childcare benefits and time off. The recognition also spotlighted Withum’s collaborative environment – prioritizing professional development, open communication, innovation and work-life balance, enabling team…
Withum Champions Veteran Initiatives and Community Impact
Wreaths Across America For more than five years, Withum has been an active participant in the Wreaths Across America initiative, which is championed by the Firm’s Veterans Team Member Resource Group (TMRG) and the Not-for-Profit Services Team. Wreaths Across America (WAA), is a national nonprofit dedicated to remembering fallen service members, honoring those who serve…
Steve Talkowsky Named NJBIZ 2026 Leader in Finance
As a respected leader, Steve was recognized for his impact on the Firm’s Tax Services Team, contributing to the practice’s growth, and for his strong commitment to the mentorship and development of the teams he leads. He serves clients with global operations, advising on business taxation matters with deep expertise in Subchapter C, S corporation and partnership taxation. With a focus on making complex tax matters accessible, he is…
ROI-NJ Names Withum Leaders to Annual Power List
Pat Walsh Pat Walsh, Managing Partner and CEO, has led numerous firmwide strategic initiatives focused on best practices, client experience and technology. He leads Withum’s national growth strategy and client service initiatives, with a focus on innovation, talent development and expanding the Firm’s advisory capabilities to meet clients’ evolving needs. Pat was recognized for his…
Withum Recognized with Cigna Healthy Workforce Designation™
As a people-first organization, the Firm offers a competitive Total Rewards benefits package with unique perks for Withum team members, recognizing wellness extends beyond baseline healthcare benefits. Withum is proud to be at the forefront of exceptional benefits that support team members’ health journeys. In addition to its traditional medical, dental and vision plans, the Firm offers supplemental benefits. These include an…
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