Software that tames complexity
Transforming government for a digital future
TaxSys®
Modernize tax administration with a system proven in large and complex counties. TaxSys is a hosted, web-based solution for tax calculation, billing, collection, and distribution. Built for government, TaxSys automates complexity, streamlines constituent services, and empowers staff with scalable, extensible technology that adapts to new legislation and future innovation.
PaymentExpress®
Streamline government payments with a comprehensive platform proven in complex jurisdictions. PaymentExpress unifies payment collection, management, and reporting across every channel—delivering modern options payers expect and simplified operations staff need, all on a secure, high-availability platform.
Online Auctions
Grant Street’s delinquent collection software suite includes LienAuction®, for delinquent tax lien certificate auctions, and DeedAuction®, for tax-defaulted property sales. These solutions streamline processes for tax offices, increase competition, and provide greater transparency into the delinquent collection process.
Capabilities built with government in mind
Tightly Woven Security
State-of-the-art PCI-DSS Level 1 compliant security infrastructure that keeps your data safe and your operations in motion.
Data Driven Results
Our business intelligence tools enable stakeholders to make informed decisions, drive growth, and improve efficiency.
Dedicated Client Support
From onboarding to ongoing maintenance, we’re here to help every step of the way.
"Grant Street has been a key partner in our system modernization, collaborating seamlessly with FAST Enterprises to deliver a modern payment experience to South Dakotans. We found the Grant Street team easy to work with, flexible, and proactive in solving our problems."
"Grant Street did a great job on the implementation. The solution matches what they presented. We now have a seamless integration and happy staff."
"Grant Street Group’s strongest management attribute is their responsiveness to any and all issues that arise. They always keep us informed of changes and how they may affect us, and they are easy to communicate with and always available."
"We chose a great partner in Grant Street, and the GSG team has been nothing short of amazing to work with. There is much to learn from them as they perform their responsibilities with professionalism and always with an eye toward simplifying processes and meeting our needs."