Insights

Independence advantage Grassi recently transitioned to an employee-owned ESOP in 2023, underscoring a stable, long-term ownership structure that can be a compelling differentiator when pitching to middle-market firms seeking aligned interests and continuity in service.

Growth via acquisitions Recent integrations such as Hoffman Mulligan CPAS LLP and expanded NYC tax capabilities indicate a strategy of strategic acquisitions to broaden presence and service depth, presenting opportunities to position Grassi as a partner for regional firms seeking scale while maintaining independence.

Leadership expansion New partner hires in tax and trust and estate leadership, along with leadership promotions, signal a robust growth trajectory and enhanced advisory capacity that can be offered to clients seeking expanded specialized expertise and succession planning.

Diverse client sectors Grassi serves a broad mix of middle-market businesses, public companies, nonprofits, and high-net-worth individuals across construction, manufacturing, healthcare, real estate, and more, creating cross-sell opportunities for integrated advisory, tax, and attest services.

Scale and capabilities With revenue in the multi-hundred-million range and an IPA 100 footprint, Grassi presents a compelling target for firms seeking a seasoned partner in complex accounting, tax, and advisory projects, as well as potential collaborations to expand service lines and geographic coverage.

Similar companies to Grassi

Grassi Tech Stack

Grassi uses 8 technology products and services including HubSpot Analytics, Amazon Web Services, WordPress, and more. Explore Grassi's tech stack below.

Media & News

Grassi's Email Address Formats

Grassi uses at least 4 email formats:
Grassi Email FormatsExamplePercentage
FLast@grassicpas.comJDoe@grassicpas.com
92%
FirstL@grassicpas.comJohnD@grassicpas.com
7%
FMiddleLast@grassicpas.comJMichaelDoe@grassicpas.com
1%
FLast@grassiadvisors.comJDoe@grassiadvisors.com
100%

Frequently Asked Questions

What is Grassi's phone number?

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You can contact Grassi's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Grassi's official website and social media links?

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Grassi's official website is grassiadvisors.com and has social profiles on LinkedIn.

How much revenue does Grassi generate?

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As of August 2026, Grassi's annual revenue is estimated to be $250M - $500M.

What is Grassi's NAICS code?

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Grassi's NAICS code is 54 - Professional, Scientific, and Technical Services.

How many employees does Grassi have currently?

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As of August 2026, Grassi has approximately 623 employees across 5 continents, including North America, Asia and Europe. Key team members include Chief Operating Officer (india): A. C., Chief Financial Officer: C. K. and Principal, Chief Information Officer: K. L. Explore Grassi's employee directory with LeadIQ.

What industry does Grassi belong to?

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Grassi operates in the Professional Services industry.

What technology does Grassi use?

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Grassi's tech stack includes HubSpot Analytics, Amazon Web Services, WordPress, SAP, ChatGPT, Asana, GitHub Copilot and Piwik PRO Core.

What is Grassi's email format?

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Grassi's email format typically follows the pattern of FLast@grassicpas.com. Find more Grassi email formats with LeadIQ.

When was Grassi founded?

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Grassi was founded in 1980.
Grassi logo

Grassi

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.

Section iconCompany Overview

Phone number
NAICS Code
54 - Professional, Scientific, and Technical Services
Founded
1980
Employees
501-1000

Section iconFunding & Financials

  • $250M - $500M

    Grassi's revenue is estimated to be in the range of $250M - $500M

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