Andersen Consulting deepens its business transformation and digital transformation capabilities through a Collaboration Agreement with threon, a Belgium-based consultancy known for delivering pragmatic, end-to-end strategy execution support.

Andersen Consulting announces a Collaboration Agreement with Vivaldi, a global business and brand strategy consultancy, strengthening the organization’s strategy and business transformation offerings.

Andersen is proud to announce Rosen Consulting Group (RCG), a prominent real estate and economics consulting firm, will adopt the Andersen brand. The move comes three years after RCG joined the Andersen platform, enhancing RCG’s service offerings while further strengthening Andersen’s multidisciplinary capabilities across tax, legal, valuation, and related consulting services.

Andersen Managing Director Joe Calianno will present at New York University’s Institute on Federal Taxation on November 16-21, 2025, at the Fairmont Hotel in San Francisco. The event will also be live streamed. On November 17, Joe will be a panelist for the session Controlled Foreign Corporation Planning. The presentation will focus on how the tax law changes to the rules that impose U.S. taxation on U.S. shareholders of CFCs made under the One Big Beautiful Bill Act of 2025 affect planning opportunities and pose some traps for the unwary.

Andersen Managing Director Bryan Collins will present at the Tax Executive Institute (TEI) New York Chapter’s Annual Tax Symposium on November 19, 2025. Bryan is a co-panelist for the session Mergers and Acquisitions – How to Win Your Next M&A Deal.

As the 2025 tax year draws to a close, payroll compliance remains a top priority for employers. Accurate reporting and timely remittance of payroll taxes are essential to avoid penalties and maintain employee trust. Andersen’s Compensation and Benefits team can help your business strengthen compliance processes, manage risk, and identify planning opportunities.

Case law is helping shape how to distinguish deductible legal fees associated with patent infringement lawsuits from capitalizable fees associated with obtaining the right to enter the market for generic drugs from the U.S. Food and Drug Administration (FDA). Given the potential tax impact, it’s important to ensure that legal and service provider fees are properly documented and categorized.

As the 2025 calendar year draws to a close, the remaining months will likely be devoted to completing important goals and setting the stage for success in 2026. This makes it the perfect time for individuals, businesses, and funds to leverage valuation services to take advantage of the favorable tax provisions of the One Big Beautiful Bill Act (OBBBA), create and execute succession plans, and prepare financial statements.

There are unique tax implications to consider when one or both spouses may qualify as a nonresident alien for any portion of the tax year for purposes of U.S. income taxes as well as U.S. estate and gift taxes.