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Marking 20 years since going live in 2006, Grant Street Group celebrates the evolution of TaxSys. Now serving 35 counties across Florida and California, discover how two decades of client partnership and continuous innovation built a modern, fully integrated platform for public-sector revenue collection.
Gwinnett County Tax Commissioner’s Office modernized payment processing across six offices with 79 PaymentExpress terminals from Grant Street Group. Faster transactions, streamlined reconciliation, integrated reporting, tap-to-pay, and electronic receipts are helping staff save time and deliver a more convenient, paperless experience for taxpayers.

The Leon County Tax Collector's Office has launched PaymentExpress, Grant Street Group's e-payment solution, for property tax, tourist development tax, and DMV-related payments both online and in person across the county's three office locations.
Client Stories
From 10 Buckets of Mail to Zero: How Jefferson County DOR Transformed Resident Service Through Digital Innovation
Jefferson County is the largest county in Alabama, serving more than 660,000 residents across the Birmingham metro area. Historically, the Department of Revenue (DOR) managed high-volume tax and license renewals through paper-intensive, manual workflows that often led to seasonal backlogs and significant staff overtime.
Blog
gLabs is Grant Street Group’s innovation lab. It’s where we experiment with new ideas and get feedback from you on which ideas would be valuable for your offices. Outside-the-box thinking, a commitment to rapid prototyping, and your suggestions help us hone and deliver the features and new products that are most useful to you. Do you have an innovative idea for Grant Street Group’s products? Please let us know!



