Accountants, auditors, advisors in the USA

tax advisors accountants auditors

Ecovis worldwide

Locations in Afrika, Asia, Europe, North- and Southamerica.
More than 6,500 people operating in over 70 countries.

accountant in Amsterdam


Marcum offers an extensive range of professional services and a high degree of specialization. In addition to domestic and international tax planning and preparation, the Firm’s professional services include mergers and acquisition planning, family office services, forensic accounting, business valuation and litigation support.


industries USA


Complementing a full spectrum of tax, assurance and advisory services, Marcum provides an extensive range of specialty and niche industry practices. We make it our business to understand the challenges that impact the industries we serve, as well as our clients’ unique business needs.


Tax & Business

Marcum’s Tax & Business Services Division offers all forms of accounting and regulatory compliance services. Our tax professionals are deeply experienced in advising large corporations, international businesses, foreign nationals, high-networth individuals, family business owners, local business operators and others on complex transactions at the local, national and international levels. Our high degree of specialization ensures that both the advice and services clients receive are specific to their needs.



Marcum’s Assurance Services Division provides independent audit, attestation and transaction advisory services to both publicly traded and privately owned companies in a wide variety of industries. The Firm provides clients with an independent and objective view of their financial condition and results of operations, while maximizing the transparency and reliability of financial information.



Marcum’s Advisory Services Division provides regulatory agencies, lawyers, trustees, financial institutions, insurance companies and business owners with answers to business and litigation matters. Our teams of asset managers, operational consultants, forensic experts and accountants have the experience and expertise to accomplish the specific goals of our clients.

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Global news


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Marcum’s Tax & Business news

Marcum LLP’s Assurance news

Marcum LLP Is Top IPO Auditor in First Quarter 2019
06.05.19 | New York City, NY - Marcum LLP was the top-ranked IPO auditor for t...

Marcum’s Advisory news