About Us

Marks Paneth LLP is a premier accounting firm with origins dating back to 1907. With a team of nearly 700 professionals, the firm provides a full range of audit, accounting, tax and consulting services, with specialties in business continuity, international tax, forensic accounting, litigation support, technology, family office and financial advisory services.

Marks Paneth professionals deliver expert knowledge in a wide range of industries, including real estate, hospitality and restaurants; nonprofit, government and healthcare; manufacturing, wholesale and distribution; theater, media and entertainment; high-net-worth; financial services; and professional services. The firm offers expanded resources through its membership in Morison KSi Ltd., a global association of professional service firms serving clients’ cross-border accounting, tax and consulting needs.

Headquartered in New York City, with offices in major markets throughout the East Coast, Marks Paneth is ranked by Accounting Today among the 50 largest accounting firms in the nation and the top 10 in the Mid-Atlantic Region.

New York City (Headquarters)

685 Third Avenue (Entrance is on E. 44th St.)
New York, NY 10017
(212) 503-8800


830 Post Road East
Suite 206
Westport, CT 06880
(203) 227-8101


2255 Glades Road
Suite 111-E
Boca Raton, FL 33431
(561) 981-8099

Long Island

88 Froehlich Farm Boulevard
Woodbury, NY 11797
(516) 992-5900

New Jersey

8 Campus Drive
Suite 401
Parsippany, NJ 07054
(973) 267-1400


2005 Market Street, Suite 1105
Philadelphia, PA 19103
(267) 768-3800

261 Old York Road
Suite 900
Jenkintown, PA 19046
(215) 572-7790

Washington, D.C.

1025 Connecticut Avenue NW
Suite 900
Washington, D.C. 20036  
(202) 383-3740


4 Manhattanville Road
Suite 402
Purchase, NY 10577
(914) 524-9000