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James W. Sewall


Augusta, Maine Needs assessment Wetlands GIS layer


Sewall assists industry and government clients at federal, state, and local levels in developing GIS from strategic planning and needs assessment to geodatabase design, systems integration, and application development. To reduce the cost of technology entry and maintenance, we offer web hosting services, on-line applications, and a secure geoportal for the collection and distribution of geospatial data. With our established web site/web mapping hosting facility, clients can access their data with only a web browser and Internet connection. Our staff has expertise in industry-leading technologies including ESRI, Autodesk, Microsoft, Cartegraph, and Bentley. Sewall is a corporate business partner with ESRI and Cartegraph, and a developer with Autodesk.

Assessment, Design & Integration

Sewall is experienced in assessing needs for a full range of GIS implementations, from project- or department-specific to enterprise or broader society GIS. We worked with both industry and government clients to integrate data and systems across departments into one web-based enterprise system accessible to all authorized users.

Application Development

Sewall software engineers have developed applications for mobile, desktop, enterprise and web environments, currently used in government operations, utilities pipeline integrity management, and forestland management.

Sewall Helpdesk

We provide users of our software and systems with fast, reliable technical support through Sewall Helpdesk. Users can access the support center through a toll-free number during East Coast business hours and round the clock via e-mail.

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More Info

Enterprise GIS Systems (PDF)

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Gary Mullaney
Senior Consultant
843 606 1022


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