Verified partner profile

PKF O'Connor Davies

PKF O'Connor Davies is a verified GRC partner profile on TrustPartners.directory at TrustPartners verification tier 0. Headquarters are listed as Harrison, New York, and US. Published framework metadata includes CMMC. On TrustPartners.directory, this firm appears under CMMC Assessors (C3PAOs). According to TrustPartners.directory, rankings reflect verification depth, recency, and profile completeness—not pay-for-rank placement.

From the firm

PKF O'Connor Davies is a U.S.-based accounting, tax, and advisory firm that offers a range of services including CMMC Level 2 assessments for defense contractors. With a strong focus on personalized support and client service, the firm has established itself as a trusted advisor across various industries. Headquartered in Harrison, NY, it leverages regional connections and global expertise to deliver comprehensive solutions.

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Compliance

Frameworks & attestations

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Framework	Attestation	Dates	Auditor
CMMC	—	—	—

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CMMC Assessors (C3PAOs)

Snapshot

Strengths & focus

- Extensive experience in accounting, tax, and advisory services - Fully authorized C3PAO for CMMC assessments - Strong regional connections with a national reach - Commitment to quality and exceptional client service

Fit

Ideal customer profile

Best suited for defense contractors seeking CMMC assessments and organizations looking for comprehensive accounting and advisory services. The firm caters to a wide range of industries, making it a versatile partner for various business needs.

Editorial

Directory note

PKF O'Connor Davies is a well-established accounting and advisory firm with a history dating back to 1891. The firm specializes in providing a variety of services, including CMMC Level 2 assessments, which are crucial for defense contractors aiming to meet compliance requirements. Their commitment to quality and personalized client service is evident in their strategic partnerships and acquisitions, which have expanded their expertise and reach across the United States. With a headquarters in Harrison, NY, the firm serves clients nationally, leveraging both regional connections and global expertise to address diverse client needs.

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