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Grassi Grassi is an independent, employee-owned advisory, tax, and accounting firm serving middle-market businesses, public companies, and nonprofits. and Grassi & Co.

Ranked 52nd-largest in the U.S., Grassi delivers relationship-driven service. Learn more at www.grassiadvisors. Founded in 1980 with just a desk and an empty filing cabinet, Grassi has grown into one of the nation's leading independent advisory and accounting firms. With client satisfaction more than twice the industry average, we're proud to be ranked 16th on Vault's Best US Accounting Firms to Work For. We have earned this reputation through exceptional client service and by staying true to our core values. As strategic advisors, Grassi professionals are dedicated ambassadors of our client's future business aspirations. Everything we do centers on our client's success and the enrichment of our relationships with them. While other firms merge or take private equity funding, Grassi secured its independence by transitioning to an employee-owned ESOP in 2023. This independence empowers us to focus on what matters: exceptional service and strategic guidance to help our clients’ businesses thrive. "Grassi" is the brand name under which Grassi Advisory Group, Inc. Certified Public Accountants, PC, provide professional services. Grassi Advisory Group, Inc. Certified Public Accountants, PC are independently owned firms that practice in an alternative practice structure in accordance with the AICPA Code of Professional Conduct and applicable laws, regulations and professional standards. Grassi & Co. Certified Public Accountants, PC is a licensed CPA firm that provides attest services. and its subsidiary entities provide tax and business consulting services to clients and provide staff and other administrative resources to Grassi.

As Manufacturing Month comes to a close, the conversations shaping the industry continue.Join Grassi’s Manufacturing & D...
10/28/2026

As Manufacturing Month comes to a close, the conversations shaping the industry continue.

Join Grassi’s Manufacturing & Distribution advisors tomorrow for a discussion on capital investments, automation, R&D credits, state tax exposure and transaction readiness. Gain practical perspectives to support your organization’s year-end planning.

Register for the webinar: https://www.grassiadvisors.com/event/manufacturing-distribution-year-end-planning-key-decisions-shaping-2027/?utm_campaign=Social26&utm_source=Facebook&utm_medium=Social

Louis Grassi, Grassi’s CEO and Founder, is featured in Long Island Business News discussing how demand for timely financ...
10/26/2026

Louis Grassi, Grassi’s CEO and Founder, is featured in Long Island Business News discussing how demand for timely financial insight is driving the growth of accounting advisory services.

As financial functions become more complex, businesses need forward-looking guidance to interpret information, assess risks and evaluate opportunities.

Read the full article: https://libn.com/2026/10/22/new-york-accounting-firms-expand-advisory-services/

We’re proud to celebrate Vanessa M. Gordon, CPA, Audit Principal at Grassi, on being named a 2026 Long Island Business N...
10/23/2026

We’re proud to celebrate Vanessa M. Gordon, CPA, Audit Principal at Grassi, on being named a 2026 Long Island Business News Top 50 Women in Business honoree.

Vanessa is recognized for her work as a trusted advisor to nonprofit organizations, her commitment to mentoring colleagues and her leadership in the Long Island nonprofit community.

View the full list of 2026 honorees: https://libn.com/event/top50women/

Mediation can provide a collaborative path for addressing complex trust and estate disputes.Join Grassi Partner Lisa Ris...
10/23/2026

Mediation can provide a collaborative path for addressing complex trust and estate disputes.

Join Grassi Partner Lisa Rispoli for the WCBA program, "Mediation in the Westchester County Surrogate’s Court: Procedures, Perspectives, and Practice Tips from Mediators and Advocates."

This CLE will bring together mediators, advocates and members of the legal community to discuss the court's Presumptive Mediation program.

Learn more and register: https://www.wcbany.org/?pg=events&evAction=showDetail&eid=348861

Some of the most valuable franchise insights come from conversations with fellow owners.Meet Olivia Abrecht and Dolly Fr...
10/22/2026

Some of the most valuable franchise insights come from conversations with fellow owners.

Meet Olivia Abrecht and Dolly Franco at the 2026 Hand & Stone International Conference, October 25–27 in Nashville.

The conference will bring franchise owners together to build relationships, exchange perspectives and explore ideas shaping the franchise system’s future.

Learn more: https://www.eventzilla.net/e/2026-hand-amp-stone-international-conference-2138674748

Join Grassi’s Manufacturing & Distribution advisors on Thursday, October 29, for a discussion on the year-end decisions ...
10/22/2026

Join Grassi’s Manufacturing & Distribution advisors on Thursday, October 29, for a discussion on the year-end decisions shaping business performance in 2027.

Led by Robert Grote, CPA, Joseph Carnevale, CPA, Jeffrey Cohen, CPA, Lindsay Faulstich, CPA, MST, Tiffany Roque and Catherine Sabol, JD, the webinar will explore how capital investments, automation, R&D credits, state tax exposure and transaction readiness may affect your organization. Gain practical insights to strengthen financial visibility and support year-end planning.

Register for the webinar: https://www.grassiadvisors.com/event/manufacturing-distribution-year-end-planning-key-decisions-shaping-2027/?utm_campaign=Social26&utm_source=Facebook&utm_medium=Social

AI, regulatory scrutiny and rising investor expectations are changing how alternative investment firms operate.Join Chri...
10/21/2026

AI, regulatory scrutiny and rising investor expectations are changing how alternative investment firms operate.

Join Christopher Mears, Christopher Carrella, CPA and Toni Mazzacca from October 25–27, 2026, for GAIM Ops West Alternative Investment Operations Conference.

The conference brings together COOs, CFOs, CCOs and operational due diligence leaders from hedge funds, private markets and multi-strategy firms to discuss today's operational and regulatory challenges.

Learn more and register: https://informaconnect.com/gaim-ops-west/

Congratulations to Meredith Brinkmann, Principal at Grassi, on being named one of City & State New York’s 2026 Hudson Va...
10/21/2026

Congratulations to Meredith Brinkmann, Principal at Grassi, on being named one of City & State New York’s 2026 Hudson Valley Trailblazers.

The recognition highlights her work supporting nonprofits and human-services organizations through public finance, accounting and technology-based financial solutions.

Read more about the 2026 honorees: https://www.cityandstateny.com/power-lists/2026/10/2026-hudson-valley-trailblazers/416333/

Address

360 Madison Avenue, 7th Floor
New York, NY
10017

Opening Hours

Monday 9am - 5:30pm
Tuesday 9am - 5:30pm
Wednesday 9am - 5:30pm
Thursday 9am - 5:30pm
Friday 9am - 5:30pm

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