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Accounting Firm

Grassi & Co.

US advisory, tax and accounting firm with industry-specific services for businesses and individuals

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About Grassi & Co.

Grassi & Co. is an accounting and advisory firm in the United States, with a presence in New York City. The firm says it has grown steadily over more than four decades through long-term client relationships. Its CPAs, CFOs and business and tax advisers provide strategy and tailored solutions.

What Grassi & Co. offers

  • Advisory — strategic guidance for business decisions and growth.
  • Tax — planning and compliance, including specialised tax advice for high-net-worth individuals and closely held businesses.
  • Accounting — services for businesses and individuals.
  • Industry research — reports such as a survey of nearly 200 leaders in construction and architecture and engineering.
  • Webinars — live sessions on topics such as ERP for manufacturers and non-profit technology.

Who it works with

Industry-specific services are offered to key market sectors, including manufacturers, distributors, non-profits and construction firms.

Key facts

  • Ranking: 52nd largest US accounting firm, according to Inside Public Accounting
  • Regional standing: Listed as a leader in the Mid-Atlantic region
  • Ownership: Describes itself as owned by its own people

Profile written by TrustList from the business's own published information, Oct 2026.

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