Marcum LLP is a top-ranked national accounting and advisory services firm dedicated to helping entrepreneurial, middle-market companies and high net worth individuals achieve their goals. Marcum offers industry-focused practices with specialized expertise to privately held and publicly registered companies, and nonprofit and social sector organizations. Through the Marcum Group, the Firm also provides a full complement of technology, wealth management, executive search and staffing, and strategic marketing services.

Headquartered in New York City, Marcum has offices in major business markets across the U.S. and select international locations. Marcum is committed to the advancement of diversity, equity and inclusion. Marcum provides a full spectrum of traditional tax, accounting, and assurance services; advisory, valuation, and litigation support; managed accounting services; and an extensive portfolio of specialty and niche industry practices. The Firm serves both privately held and publicly registered companies, as well as nonprofit and social sector entities, high net worth individuals, private equity funds, and hedge funds, with a focus on middle-market companies and closely held family businesses.

The Firm is a founding member of LEA Global and is the exclusive U.S partner firm of ECOVIS International. Ever wonder where the people with all the answers get all the answers? #AskMarcum.

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. The Firm has developed several niche practice areas serving private equity partnerships; hedge funds; SEC registrants; real estate; government, public and not-for-profit sectors; manufacturing; construction; healthcare; and bankruptcies and receiverships; as well as a China specialty practice.

Our Mission

Our mission, as an organization of professionals, is to understand the business of our clients, to help our clients identify their business and financial needs, and to provide the services that will help them achieve their business and personal financial goals.

We are committed to providing the most efficient and expeditious services, while always maintaining the highest ethical standards.

Our Philosophy

At Marcum LLP, our most important assets are our people and our reputation.

We are committed to excellence, both internally and externally. For this reason, we encourage and invest in the training of our people and in continuing education to further develop their professional abilities. In return, we require that our professionals use their talents to achieve and maintain total client satisfaction.

Our Core Values

At Marcum we want you to reap the rewards of a culture that promotes daily values and cultivates success.

That’s why everyone – partners and associates – follows a set of nine core values.

These core values define how we conduct ourselves and interact with our colleagues and clients. They guide us when faced with challenging situations. They help us maintain a high degree of professionalism within our industry. These values also provide the foundation for the Marcum culture.


Marcum is committed to fostering a culture that is both diverse and inclusive – one that encourages and enables all associates and partners to be successful. A national Diversity & Inclusion (D&I) Steering Committee oversees a rich program of activities and initiatives implemented at the local level in Marcum offices across the country.

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Diversity & Inclusion at Marcum

Marcum Foundation

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  • Beneficiaries

Marcum has a strong commitment to support the communities in which we do business. The national Marcum Foundation is another expression of the nine core values that constitute the Firm’s business philosophy.

The mission of the Marcum Foundation is to support causes and non-profit organizations providing critical assistance to those in need. This is an expression of Marcum’s commitment to support our communities both locally and nationally.

Giving back to the community is a guiding principle at Marcum. At a time when the needs of our neighbors are greater than ever, the Marcum Foundation is steadfast in its commitment to making a difference.

View the Marcum Foundation beneficiaries

International Affiliations