PKF O'Connor Davies Email Format

AccountingNew York, United States1001-5000 Employees

PKF O'Connor Davies is a U.S. professional services firm that provides accounting, tax and advisory services to both domestic and international clients. Headquartered in Harrison, New York, the firm is large in scale and offers a broad range of services within its field. The practice emphasizes long-term client relationships and deep subject matter expertise across its service lines.

Its clients include mid- to large-sized organizations seeking integrated accounting, tax and advisory assistance. In 2026, the firm announced leadership appointments to strengthen its Transaction Advisory Services and forensic, litigation and valuation practices.

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