Professionalism, Innovation, and a Commitment to Quality

Corporate Profile

Sewall provides integrated geospatial, engineering, and forestry consulting services to clients in government and industry. Our diverse portfolio is based on 100 years’ experience in surveying and engineering; 60 years’ in aerial mapping; and 20 years’ in GIS and software application development. In the last 10 years, our offerings have expanded to include web hosting services, software as a service, and a secure geoportal for the collection, distribution, and resale of geospatial data.

A matrix organization, Sewall shares resources and technologies across company areas to deliver higher-value customer solutions. Few companies in our markets have both the breadth of services and the structure to combine them in ways that meet specific client needs. Our ability to coordinate and collaborate in the service of these needs is advantageous to our clients and builds good business. A high percentage of Sewall clients are repeat customers.

A client-first, client-focused firm, Sewall is committed to understanding client needs and business drivers and the needs of client constituencies. Our core services in engineering, geospatial information, and natural resources can be integrated in any combination to further client success:

Engineering. Civil, environmental, marine, and traffic engineering; utilities infrastructure mapping and asset management; and surveying services

Geospatial. Aerial photography and mapping, GIS consulting, and web services

Natural Resources. Appraisal and inventory; forest management, management planning, and modeling; and natural resources mapping and information systems

A privately held firm under management ownership, Sewall continues to grow to meet our clients’ evolving needs. We currently have 10 offices nationwide, 170+ staff, and ever broadening capabilities.