CLEAR YOUR WAYWilliamsMarston provides the insight to see you through

Advising pre-IPO, public and private equity-backed companies, WilliamsMarston delivers technical expertise and clear, actionable intelligence to help you make confident decisions, create value and drive successful outcomes.

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Oct 20, 2026

Final Regulation Clarify Liability Treatment in Intragroup Section 351 Transactions

The Treasury Department and IRS have issued final regulations clarifying the treatment of certain liabilities in intragroup Section 351 transactions. The guidance provides important insight into subsidiary stock basis calculations, excess loss accounts, and internal restructuring transactions within consolidated groups.

Oct 14, 2026

Preparing for a Successful OneStream Implementation: 4 Decisions to Make Before Kickoff

The foundation for a successful OneStream implementation is built before the project begins. Learn four practical considerations that can help align stakeholders, improve adoption, and support long-term Finance transformation.

Oct 1, 2026

Technical Update: When Public Groups Collide – Actual Knowledge and the Limits of Section 382 Segregation

A recent IRS private letter ruling provides important guidance on establishing “actual knowledge” of overlapping public shareholders for purposes of Section 382 ownership change analyses. This article explores the ruling’s implications and how detailed ownership analysis may help preserve valuable tax attributes.

Sep 29, 2026

A Conversation with Stephan Choe on What Finance Leaders and CFOs Should Be Asking Now about AI

Sep 21, 2026

Section 1202 After the OBBBA: Structuring Opportunities for Technology-Intensive Businesses

Aug 26, 2026

IRS Ruling Highlights How Companies Can Preserve Valuable Tax Attributes in Bankruptcy

What’s the WM Difference?

WilliamsMarston places client success at the heart of everything we do. From dedicated senior-level involvement in every engagement to specialized teams, our accounting, tax, technology, transaction and valuation experts pair Big Four experience with strong technical expertise to deliver unparalleled perspective, practical advice and effective solutions that accelerate impact.

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“I could not have made it through our initial public offering without the team from WilliamsMarston to field so many complicated issues. You have been fantastic, and it’s been a pleasure to reach this milestone with you!”Chief Financial Officer
IPO Company

Valuation

Find out how WM simplified a $1 billion company’s valuation complexities in pursuit of rapid expansion and IPO readiness.

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“I wanted to share my thanks for all the work WilliamsMarston did. Thanks to your great work, I felt confident going into the audit prepared.”VP Finance
Private Company

Corporate Tax

Discover how WM helped a $2 billion manufacturing company operating in 30 countries achieve a timely tax provision filing while operating on a tight deadline.

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“I am sure we had one of the most complicated preferred stock conversions at our IPO than any other company. We appreciated your help. You made us look good, and we look forward to continuing to work with you.”Chief Financial Officer
IPO Company

Mergers & Acquisitions

Learn how WM assisted a $250 million public company in acquiring a foreign entity, necessitating the first-time audit of five separate entities under U.S. GAAP.

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“I cannot thank you enough for all your hard work on this mission critical project. You have been an absolute pleasure to work with and your work has been more than excellent.”Director of Revenue
Public Company

Private Equity

Learn how WM enabled a private equity firm’s successful exit through the close of a large acquisition for a $250 million portfolio company while integrating prior acquisitions and supporting the annual audit.

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Life at WM

Here at WM, success is personal. We invest in our teams, creating opportunities to learn continuously, work with purpose and develop a fulfilling career.

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Work alongside exceptional colleagues. At WM, you will collaborate on projects with team members from diverse backgrounds, learning new skills and gaining experience to help you at every stage of your career.

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Gain the insight to drive transformational outcomes. WilliamsMarston’s accounting, tax, technology, transaction and valuation services will help you navigate your most complex challenges and see you through to success.

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