Consulting Services

National Tax Office Services (NTOS)

E. Cohen offers a full suite of National Tax Office Services to other tax professionals. Our NTOS group provides the highest quality research, writing, and consulting services on complex tax issues. We don’t compete with you for clients; our clients are other tax firms. We advise you on the relative merits of alternative tax positions or structures and the support in the tax code, regulations, IRS guidance, and court cases. Think of us as your Washington, D.C. office, with all the technical capabilities of a larger accounting firm. Our goal is your success. Contact Us to schedule a discussion of our services and fees.

NTOS Benefits
  • NTOS Benefits
  • National Tax Office Services
  • NTOS Industries
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    NTOS Benefits

    We don’t compete with you for clients; our clients are other tax firms. Our goal is your success.

    • Retain your best clients: Keep your existing client base. When you give them the best advice, they won’t go to other firms.
    • Offer new services: Expand the scope of your service offerings. We help you identify and apply for private letter rulings, accounting method changes, and other IRS rulings.
    • Expand your client base: Provide services to more sophisticated clients with more complicated issues and structures.
    • Reduce your costs: Save your valuable time, don’t chase down every question. Our experts can quickly identify issues and get to the right answer through research and analysis.
    • Enhance your tax research and planning: Tap into experienced professionals and resources not used by competitors.
    • Deepen your bench: E. Cohen is a member of PrimeGlobal, one of the largest international associations of independent public accounting firms. We can help you find answers in almost any other country.
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    National Tax Office Services

    E. Cohen has extensive expertise with international, federal, state, and local taxation. Our subject matter expertise includes:

    • M&A structuring, due diligence, and quality of earnings reports
    • Cost segregation for new acquisitions and buildings acquired in prior years
    • Planning for sec. 199A deductions and sec. 163(j) business interest limitations
    • Research and development credits
    • Fixed and intangible asset cost recovery
    • Partnership allocations, including sec. 704(b) basis allocations and debt issues under sec. 752
    • Outside basis calculations: partners’ capital accounts and shareholders’ equity management
    • Accounting methods and periods
    • Sales and use taxes, state nexus, and more
    • Inventories: FIFO, LIFO, and tax reserves
    • Tax controversies: audit, appeals, and collections
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    NTOS Industries

    Our knowledge cuts across many industries and includes all types of businesses and personal tax issues.

    • Real Estate Companies: Success in real estate requires long-term strategic planning and cost-effective management of day-to-day operations.
    • Government Contractors: Our professionals have delivered technical expertise and sound business advice to government contractors for 40+ years.
    • Hospitality Groups: Whether you are a small independent or a large restaurant group, you can count on us to ensure that your business plan is solid.
    • High Net Worth Individuals: We provide financial planning services for individuals, families, and businesses to help them achieve their financial goals.
    • Nonprofit Organizations: We are committed to helping nonprofit organizations meet their compliance obligations and plan for the future.
    • Wholesale Distribution: Minimize operating costs and increase profit by implementing best business management practices.
    • Professional Services Firms: Our audit, tax and management consulting professionals understand the challenges that professional services firms face.

Recognized by Forbes and the Accounting Industry’s Leading Publication, Accounting Today:

Forbes lists E. Cohen among America’s Best Tax and Accounting firms, based on an independent survey and an online access panel of thousands of tax and accounting professionals. Out of the 277 firms on the award list, only 90 were recognized in both tax and accounting!


PrimeGlobal-300-95E. Cohen is affiliated with PrimeGlobal, one of the 5 largest associations of independent accounting firms in the world, comprised of approximately 300 highly successful independent public accounting firms in over 80 countries.

Eric Cohen, CPA
Eric Cohen, CPA
Douglas Trueheart, CPA
Douglas Trueheart, CPA
Janet Butters, CPA, MST
Janet Butters, CPA, MST
Donald Keninitz, CPA
Donald Keninitz, CPA


Learn more about our National Tax Office Services.