BerryDunn Auditor Profile

BerryDunn is an assurance, tax, and consulting firm headquartered in Portland, Maine since 1974, with roughly 1,000 employees across nine US offices. Tax, advisory, and consulting services are provided by Berry, Dunn, McNeil & Parker, LLC, while attest services are delivered by BDMP Assurance, LLP, a licensed CPA firm operating under the BerryDunn brand.

The firm's IT assurance practice performs SOC 1 and SOC 2 examinations along with HIPAA, HITRUST, and NIST-based security assessments. BerryDunn has notable depth in healthcare and state and local government consulting, which shapes its compliance client base.

It suits mid-market and larger organizations — particularly in healthcare, government, and financial services — that want SOC reporting and healthcare-focused security compliance from a large regional firm.