Business Tax

Our Business Tax Services Team is dedicated to providing companies with the highest quality corporate tax preparation, planning, and consulting services and to helping reduce business tax liability.

Holistic Business Tax Preparation Services

For over 40 years, our business tax advisors have been providing business tax consulting and preparation services to companies both large and small. As a nationally recognized Top 25 tax services firm, we have ample experience with business tax planning, preparation, and compliance issues. Our tax specialists have a comprehensive understanding of international, federal, state and local tax regulations – and as an independent member of HLB, a Global Advisory and Accounting Networking, we can assist in developing cost-effective business tax strategies for organizations around the globe.

As part of our Business Tax Services, we put together a custom corporate tax planning strategy and address any related tax issues prior to year-end. We’ll also review the most recent tax law changes and interpretations in order to maximize tax savings opportunities and reduce tax liability. With an effective business tax preparation plan, companies have greater assurance of:

  • Realizing substantial cost savings
  • Limiting future interest and penalty payments
  • Achieving desired tax results
  • Reducing the likelihood of an IRS audit

Our Suite of Business Tax Services

The Withum business tax advisors are well-versed in the full spectrum of business tax services and strategies. For more than 40 years, our team of business tax consultants have helped for-profit and nonprofit organizations with all their tax needs.

With partnerships offering the most flexibility out of any tax structure and S corporations having the most strict rules, knowledge and experience are key to businesses that operate in these structures. Our team of seasoned experts can help your business navigate the pass-through tax waters and put you in a position to succeed.

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We offer a wide variety of business year-end tax planning services to help organizations stay compliant and take advantage of the latest money-saving opportunities. We’ve also created a Year-End Tax Planning Resource Center that acts as an on-demand one-stop-shop for corporate tax preparation tips..

Tax Planning Resources

Businesses that operate internationally faces the unique challenge of having the stay compliant with multiple countries’ tax rules and regulations. Our international tax advisors work with organizations to maintain tax transparency, remediate cross-border tax disputes, minimize the risk of double-taxation and achieve maximum savings through international tax incentives.

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For organizations facing corporate tax controversy issues, our tax consultants are well-equipped to handle various issue resolutions, dispute avoidance, and more. We’ll put together a plan that describes the particular controversy, outlines a custom resolution, and establishes measures to prevent the issues from reoccurring.

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The constantly evolving nature of national and international tax laws – and the increased scrutiny surrounding them – can make corporate income tax accounting complicated. Our tax accounting services cover stock-based compensation, tax validation projects, valuation assessments, statement and balance sheet support, tax position consulting, and more. They also include ASC 740 consulting, preparation, remediation, internal controls assistance, transaction services, provision assistance, and training.

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Depending on the organization, tax reform laws can cause unforeseen complications, or provide promising opportunities. Withum’s business tax advisors help businesses navigate the changing waters of U.S. tax reform. Our business tax services include the creation of corporate tax planning strategies built upon the insights gained from analysis and modeling tools. We work with organizations to predict and analyze tax reform impacts and outline the options that make sense for them. For more information, check out our Tax Reform Resource Center.

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Why Withum

For more than 40 years, our team of business tax consultants have helped for-profit and nonprofit organizations with all their tax needs. Our holistic approach goes beyond simple tax preparation and includes everything from tax controversy to compliance.

employee classification

How Would the IRS Would Classify Your Workers?

By answering a series of questions through Withum’s employee classification questionnaire, companies can gain insights into how the IRS would classify their workers, avoiding costly employment tax disputes.

View Questionnaire

Connect with our Leaders

Steve-Talkowsky_Web
Partner, Practice Leader, Service Leader
Red Bank, NJ
Zsia-Rosmarin_Web
Office Partner-in-Charge, Partner
Whippany, NJ
Dave-Poillucci_Web
Partner
Whippany, NJ
dan mayo headshot
Partner, Service Leader
Red Bank, NJ
Brian-Lovett_Web
Partner
East Brunswick, NJ
Lynn-Mucenski-Keck_Web
Partner, Service Leader
New York, NY

Business Tax Insights

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Court Ruling Opens Door to Refunds of COVID‑Era Interest and Penalties

A recent federal court decision may reopen the door to refunds of COVID-era tax interest and penalties that many taxpayers assumed were lost for good. In Kwong v. United States, No. 23 267 (Fed. Cl. Nov. 25, 2025), the U.S. Court of Federal Claims held that the COVID-19 disaster declaration triggered a mandatory suspension of…

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IRS Payments: Small Errors That Cause Big Headaches

As the IRS continues shifting toward electronic only payments, taxpayers are gaining convenience — but also facing new pitfalls. Whether you’re making an estimated payment, an extension payment or paying a balance due with a notice, correctly selecting the payment type and tax year is essential to keeping your IRS account accurate and avoiding unnecessary…

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Optimizing Executive Compensation: RSUs, ISOs, NSOs and Deferred Comp 

Equity compensation deferral arrangements can be excellent wealth builders, but each one follows its own tax clock. Knowing when income is recognized—and what rate applies—drives better decisions. From RSUs and incentive stock options (ISOs) to nonqualified stock options (NSOs) and deferred compensation plans, equity compensation comes with distinct tax rules, timing considerations and planning opportunities….

Contact Us

For more information or to discuss your business needs, please connect with a member of our team.