Full Range of Geospatial Consulting Services

An Esri Business Partner for over 20 years, Great Arc Technologies offers a full range of GIS consulting expertise, including enterprise solutions, mobile and smartphone solutions, application development, web-based mapping, and database integration.

Industries We Serve


Records scanning/archiving, Insurance, distribution, market analysis, real estate

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Health & Human Services

Virus tracking and monitoring, foster home placement

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Public Safety

Emergency response, incident management, and disaster recovery

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Local Government

Parcel mapping and analysis, data rectification, financial tracking

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State Government

Demographic analysis, data management, address geocoding

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Federal Government

Web-based mapping, facilities management

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Web-based mapping, data modeling, routing

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Infrastructure management, asset management, enterprise GIS

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Funding allocation, geocoding, school placement

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Latest News

Great Arc has a new address. We are in the same building but are now in a different suite.

Great Arc has a new address. We are in the same building but are now in a different suite. Our new address is as follows.

Great Arc Technologies, Inc. 401 S. LaSalle Street, Suite 702 Chicago, IL 60605


Great Arc Designated Esri Release Ready Specialty Partner

Great Arc has been designated an Esri Release Ready Specialty Partner. This program signifies Great Arc's committment to keeping pace with Esri technologies and helping organizations leverage the newest capabilities.


Why Partner With Us?

Deep Expertise in Geospatial ROI

Our software development background enables us to implement tailored custom applications and time-saving automation techniques that allow our clients to maximize the return on their GIS and spatial data investment.

Experienced, Responsive Project Management

From initial requirements gathering, through project "go-live", we'll keep your project on-track and on-budget.

ESRI Business Partner

Great Arc is part of the Esri Business Partner program as an Authorized Developer and Value-Added Reseller. Esri is the world's leading provider of GIS software.

We have an established relationship with Esri, the industry leader in GIS technology. As an award-winning business partner, we work with all relevant Esri technology, including desktop, web, smartphone, and mobile products. We are a value-added reseller of the Esri product line.

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ESRI System Ready Specialty Partner

As part of the Esri System Ready Specialty, Great Arc is committed to keeping pace with Esri technologies and helping your organization leverage the newest capabilities.