O’Connor Davies expands Harrison office

O”™Connor Davies LLP, an accounting and advisory firm headquartered in New York City, has extended the term of its Westchester office lease and expanded its space at 500 Mamaroneck Ave. in Harrison.

The firm”™s Harrison landlord, Empire State Realty Trust Inc., reported O”™Connor Davies will occupy more than 45,000 square feet on two floors of the Class A building, expanding its office by nearly 10,000 square feet.

A tenant at the Empire State Realty Trust property since 2001, the CPA firm also extended the term of its lease there through 2026.

John McCarthy of McCarthy Associates represented O”™Connor Davies in lease negotiations. Jeffrey H. Newman, senior vice president of Empire State Realty Trust, represented the landlord along with the real estate company”™s senior leasing associate, Kimberly Zaccagnino, and leasing associate Tara Long.

Founded in 1891, O”™Connor Davies employs more than 550 professionals at nine offices in New York, New Jersey, Connecticut and Maryland.