Grassi & Co. Employee Directory
Professional ServicesNew York, United States501-1000 Employees
Grassi & Co. is a professional services firm based in Jericho, New York, delivering advisory and accounting services to organizations seeking strategic financial guidance and oversight. Founded in 1980, the firm operates independently as an employee-owned organization after converting to an ESOP in 2023, preserving its autonomy and client-centric focus. The firm provides tax and business consulting, with attest services offered through Grassi & Co. Certified Public Accountants, PC, and it allocates staff and administrative resources to support client engagements. It emphasizes client service quality and is recognized for high client satisfaction and Vault's ranking among the Best US Accounting Firms to Work For. In November 2025, Grassi expanded its Franchise Services by acquiring OnePoint Franchise Accounting, broadening its reach into restaurant and food franchise clients.