Welcome to Atlantic Management Company

Atlantic Management Company is a leading valuation and financial advisory firm serving the business, legal, and financial communities throughout New England from its offices in Portsmouth, New Hampshire.

Founded in 1968, the firm's Valuation Group provides business valuations and fairness opinions for private and public companies. The firm's Ownership Transition Group specializes in mergers and acquisitions, ESOPs, ownership transition analysis, and family succession strategies for privately owned companies and public companies desiring to go private.

We are an organization with a tradition of excellence built on competence, experience and integrity.