The complexity of corporate income tax accounting can challenge even the most sophisticated tax departments. WM’s tax experts are ready to help address your federal, state and foreign tax burdens within your strategic objectives, legal structure and industry to enable you to meet your deadlines with minimal disruption.

WilliamsMarston Income Tax Accounting Services

WM can support you with income tax advisory services related to the worldwide income tax provision.

  • Uncertain Tax Positions

  • Share-Based Payments

  • Valuation Allowance Analysis

  • Footnote Disclosures

  • Supporting Memorandums

  • Quarterly Tax Provisions

  • Tax Accounting for Business Combinations

  • Due Diligence

  • Sarbanes-Oxley Compliance

  • Areas of Focus

    With additional audit scrutiny and complex changes to tax laws, tax provision preparation and the related financial reporting requirements have become increasingly challenging. At WilliamsMarston, our ASC 740 professionals can partner with you to meet your requirements.


    Rely on WM’s dedicated tax professionals to reduce your costs and increase your efficiency.


    Navigate peak demand, handle complex issues and meet aggressive deadlines with WM’s team working alongside yours.

    Best Practices

    Engage WM to evaluate and document your processes and make recommendations to support your key tax calculations to unlock a smoother audit process.

    Risk Management

    Deploy WM’s experts to identify tax issues and determine next steps to remediate them, including internal control deficiencies and material weaknesses.


    A disciplined approach to corporate and partnership tax requires seasoned professionals who understand the complexities these entities face – especially for those managing transformation. Gain the confidence to move your business forward with WM by your side.

    The WM tax team understands how tax law, process and technology interact with strategy and operations. We can lead and work within your corporate tax department to see you through anything from geographic expansion or regulatory and operational changes to leadership changes and key tax team departures.

    WilliamsMarston Corporate Tax Consulting Services

    WM can coordinate with your federal, international, state, local and technology specialists to identify and streamline effective approaches to your corporate tax concerns.

    • Tax Compliance

    • Tax Representation, Dispute and Controversy Assistance

    • Accounting for Income Taxes

    • Partnership Tax Services

    • State Income and Franchise Tax Planning

    • International Tax

  • Process and Workflow Improvement

  • IPO Readiness

  • Mergers and Acquisitions

  • Co-Sourcing and Outsourcing

  • Strategic Tax Planning

  • Transfer Pricing


    WilliamsMarston’s tax advisory services include providing reliable support for corporate and partnership income tax return preparation, extensions and quarterly estimates, tax controversy and IRS or state tax audits and notices.

    By balancing the needs of your business with the broader regulatory environment, WM helps you stay abreast of the latest tax changes, produce timely advice and develop solutions that solve your most complex and challenging corporate tax compliance obligations.

    Our tax compliance experts leverage decades of experience across various tax departments for major institutions nationwide to help you build a streamlined and proactive tax compliance strategy.


    Ready for clear guidance and powerful outcomes? Reach out to our Corporate Tax Services team today.

    Meet the Team