Innovative to our core. 

Being one of the premier providers of government technology doesn’t come easy. We’re constantly exploring new paths, implementing new techniques and technologies, helping our clients to become more effective, more efficient, more economical, and more taxpayer friendly.

Our approach has lead us to create the world’s first electronic bond auction, first online tax lien auction, first successful web-based tax collection and billing system, and one of the most secure and coveted payment processors available. And we did it all to help government work better.

Imagine what our innovative team could do for you…


Tellurium is a web automation tool based around the idea that testing should be simple, easy-to-understand, and efficient.

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Since hosting the world’s first internet bond auction in 1997, Grant Street Group has continued to develop exciting new online applications and services.

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