Home - Atlantic Management is a leading valuation and financial advisory firm serving the business, legal and financial communities from our offices in Portsmouth, NH.

ValuationAdvisory Services & Support

Atlantic Management Company, Inc. has a long history of providing credible and defensible opinions of organizational value based on extensive research, as well as proven valuation practices.

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M & A ServicesSale Prep and Strategic Planning

We provide a comprehensive suite of Merger & Acquisition services to help companies and organizations prepare for sale, initiate strategic acquisitions and facilitate growth, alignment and brand exposure.

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Owner TransitionSale Prep and Strategic Planning

Our proprietary program is designed to identify, evaluate, recommend and implement the planning strategies that will allow business owners and their families to achieve their personal and financial objectives.

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ESOPsOur Bread & Butter

As a nationally recognized team of experts in this specialized field, we have been instrumental in establishing Employee Stock Ownership Plans (ESOPs) for clients in a broad range of industries.

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Atlantic Management Company is more than a leading valuation and financial advisory firm. We are an organization with a long tradition of excellence built on competence, experience and integrity.

Ownership Transition Group


Atlantic Management Company’s Ownership Transition Group specializes in ESOPs, Mergers & Acquisitions, and succession strategies for privately owned companies.

This proprietary program is designed to identify, evaluate, recommend and implement the planning strategies that will allow business owners and their families to achieve their personal and financial objectives.

We provide experienced merger and acquisition services to companies seeking to sell their organization, make strategic acquisitions, or merge with other entities.

We provide experienced merger and acquisition services to companies seeking to sell their organization, make strategic acquisitions, or merge with other entities.

Valuation Group


Since 1968, the firm’s Valuation Group has provided business valuations, fairness and solvency opinions, and litigation support for private and public companies.

Depending on the nature of the engagement and the needs of our clients, we communicate our findings in an appropriate format ranging from an informal opinion letter to a comprehensive written report. In each case, our analysis results in a thoroughly researched and carefully documented valuation that can withstand the closest scrutiny.