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James W. Sewall


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Appraisal & Inventory

The oldest forestry consulting firm in North America, Sewall provides a broad range of services to private, institutional, environmental NGO, and public sectors, including:

  • Natural resource appraisal
  • Forest inventory
  • Growth and yield modeling
  • Resource studies
  • Investment analysis and economic studies
  • Policy analysis
  • Forest management auditing
  • Litigation support

A recognized leader in resource valuation, Sewall has provided independent third-party due diligence in many major transactions across North America and offshore, including the largest private timberland sale in US history, comprising several million acres of commercial timberland and sensitive habitat from Florida to Michigan. Sewall also evaluates unique coastal properties, recreation lands, and resource-related commercial properties, conservation easements, and partial interests.

With Sewall natural resource professionals at offices in Maine, Minnesota, South Carolina, and Vermont, we serve clients throughout North America, Hawaii, South America, Central America, Australia, New Zealand, Europe, and Africa. Our staff has appraised over 100 million acres.

Sewall is an inaugural Remsoft Consulting Partner and progressive user of the Remsoft Spatial Planning System, delivering a range of forest modeling services to clients in forest investment, government, NGO, forest industry and utility sectors.

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More Info

Natural resource appraisal and consulting (PDF)

Licensing Tree Appraisers, an article by Bret Vicary, ACF, PHD, MAI, in The Consultant

Success Stories to Learn From. Bret P. Vicary, ACF. Business advice and profile in The Consultant

Featured Projects

Pacific Lumber Company reorganization

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Bret Vicary, PHD,
Vice President
207 827 4456

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