BerryDunn — Assurance, Tax and Consulting

AccountingMaine, United States1001-5000 Employees

BerryDunn is the brand name used by two independently owned firms (Berry, Dunn, McNeil & Parker, LLC and BDMP Assurance, LLP) to provide professional services. Since 1974, the organization has served businesses, nonprofits, and government agencies across the United States and its territories, delivering tax, advisory, and consulting work through the LLC and attest services through BDMP Assurance, LLP, from its Portland, Maine base. Led by CEO Sarah Belliveau, the firm has been recognized for diversity and inclusion and for its focus on learning and well-being. It serves a broad client base across industries, including government entities, with a presence in the accounting sector. In April 2026, BerryDunn announced the addition of como.gov as a new client, reflecting ongoing expansion of its engagements with government clients.

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