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Overview
Grant Street Group provides cloud-based government software for tax collection, e-payments, and online auctions. Its products include TaxSys (hosted tax billing and collection), RenewExpress (online vehicle and vessel renewals), PaymentExpress (secure e-payments), and an online auction platform for bonds, notes, tax certificates, and other instruments. It differentiates itself by offering end-to-end, government-focused cloud solutions at large scale, counting major Florida tax collections and billions-to-trillions in auction activity, and by being the world’s largest internet auctioneer. Its goal is to deliver reliable, scalable technology that helps governments manage billing, payments, and auctions efficiently and transparently.
About Grant Street Group
Industries
Data & Analytics
Government & Public Sector
Enterprise Software
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
Pittsburgh, Pennsylvania
Founded
1997
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Simplify's Take
What believers are saying
- Los Angeles County selected TaxSys in May 2026 for nearly 10 million taxpayers.
- Leon, DeKalb, Cobb, Sarasota, and Alameda launched new deployments in 2026.
- Alachua County reported over $2.5 million staffing savings after replacing legacy vendors.
What critics are saying
- Los Angeles County implementation is multi-year; any failure damages credibility and renewals.
- Tyler Technologies and PayIt pressure TaxSys deals, especially where finance systems already exist.
- Government procurement concentration creates existential risk if Florida county renewals slow in 2027.
What makes Grant Street Group unique
- TaxSys handles billing, collections, distribution, and delinquency workflows for counties.
- PaymentExpress unifies online, phone, and in-person payments across complex public agencies.
- Twenty years of TaxSys use across 35 Florida and California counties proves stickiness.
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Benefits
Remote Work Options
Company News
Grant Street Group, a Pittsburgh-based leader in the fintech/govtech space with 450 remote employees, welcomes David Kelch as its General Counsel.
Grant Street Group is Hiring for 4 Jobs on Simplify!
Find jobs on Simplify and start your career today
About Grant Street Group
Industries
Data & Analytics
Government & Public Sector
Enterprise Software
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
Pittsburgh, Pennsylvania
Founded
1997
Grant Street Group is Hiring for 4 Jobs on Simplify!
Find jobs on Simplify and start your career today