Business Tax
Tax Services
Our Tax Service Offerings
Cost Segregation
Global Transfer Pricing
International Services
Private Client Services
State and Local Tax
Tax Controversy
Tax Credits
Tax Services for High Income
Why Withum?
For over 40 years, our tax advisors have been helping businesses large and small with planning, preparation, and compliance. As a nationally recognized Top‑25 firm and independent member of the global HLB network, we offer deep expertise in international, federal, state, and local tax and develop cost‑effective tax strategies wherever you operate.
Connect with Our Leaders
Tax Insights
California SB 1435: Retroactive Change to the Personal Income Tax Business Interest Limitation
California Senate Bill 1435 corrects a conformity omission affecting business interest deductions for taxpayers subject to California personal income tax. Signed September 14, 2026, the law adds R&TC §17225(c), providing that the federal limitation under IRC §163(j) does not apply for California personal-income-tax purposes for taxable years beginning on or after January 1, 2025. Individuals…
Marketplace Facilitator Sales Tax: Overlooked Local Tax Obligations
A marketplace facilitator is generally a platform that connects third-party sellers with buyers and administers the transaction itself, from listing the goods or services through processing the customer’s payment. Although well-known marketplace facilitators include Amazon, Wayfair and Airbnb, the statutory definition extends well beyond the largest platforms, and many small marketplaces qualify as facilitators as…
Federal Bill Takes Aim at MSO/Friendly-PC Structures: The Tax Implications
A proposed federal bill targets the management services organization (MSO)/friendly professional corporation (PC) structure that underpins much of physician practice investment. H.R. 10444, the Stop Corporate Takeovers of Physicians Act of 2026, was introduced on September 16, 2026, by Rep. Val Hoyle (D-OR) and 10 cosponsors. It was referred to the House Energy and Commerce…
NJBIZ Names Sara Palovick a 2026 Leading Woman in Business
As a tax partner, Sara serves clients across the real estate industry, specializing in partnership and individual taxation. She advises closely held and institutional real estate businesses on tax compliance, strategic planning and succession, helping clients navigate tax matters while supporting long-term growth and continuity. Sara is a recognized thought leader on real estate taxation,…
New Federal Law Expands Disaster and Wildfire Tax Relief
President Donald Trump signed the Doug LaMalfa Federal Disaster Tax Relief Certainty Act into law on September 11, 2026. The legislation extends and formalizes federal tax relief for individuals who sustain losses from major disasters or receive compensation related to certain wildfires. The law addresses a recurring practical problem. Although taxpayers may suffer substantial uninsured…
Tax Events
Join Withum at the 72nd Annual Employee Benefits Conference
Spotting Red Flags: Strengthening Financial Oversight in Nonprofits
AI-Powered Legacy Modernization: Reduce Technical Debt Without Replacing Everything
Year-End Tax Planning Strategies for High-Net Worth Individuals
The New Risk Frontier: AI, Cyber Defense and Insurance Strategies
Transfer Pricing at Year-End: Managing Cross-Border Tax Risks
The Target Has Shifted: What Every Organization Holding Personal Data Needs to Know About Today’s Cyber Threats
Essential State and Local Tax Year-End Planning Strategies
The Executive Risk Playbook: Managing Operational, Compliance and Cyber Risk in an Uncertain Environment
International Tax Year-End Planning Strategies
Contact Us
For more information or to discuss your business needs, please connect with a member of our team.