Work Here?
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
Get referred to Grant Street Group
See people who can refer or advise you
Simplify's Take
What believers are saying
- Sarasota County launched PaymentExpress in June 2026 with 82% contactless first-day card payments.
- PaymentExpress expanded across Washington State Department of Revenue channels in March 2026.
- Grant Street's 2026 wins in Leon, Orange, and Alameda Counties signal continued demand.
What critics are saying
- Los Angeles County's multiyear eTAX rollout creates implementation risk and procurement scrutiny through 2027.
- Realauction litigation history shows patent and competitive conflict remains a recurring threat.
- Govtech concentration makes one large contract loss, like LA County, immediately material.
What makes Grant Street Group unique
- Grant Street Group runs TaxSys and PaymentExpress for governments, processing $100 billion-plus annually.
- Los Angeles County chose TaxSys in May 2026 for nearly 10 million taxpayers.
- The company has deep Florida and state-agency penetration, including Leon, Sarasota, and Washington.
Help us improve and share your feedback! Did you find this helpful?
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 6 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 6 Jobs on Simplify!
Find jobs on Simplify and start your career today