At Great Lakes Sales Tax Automation (GLSTA), we turn complex sales tax challenges into simple, stress‑free solutions. Backed by over 40 years of combined expertise across accounting, government, tax technology, and consulting, our team delivers the expert guidance and precision businesses need to stay fully compliant across the ever‑changing sales tax environment — and fully focused on growth.
Our personalized approach means you get more than a service — you get a partner. We take the time to understand your unique business needs, delivering tailored solutions that ensure accuracy, efficiency, and peace of mind.
Through our strategic partnership with Avalara, GLSTA seamlessly integrates a best‑in‑class tax automation technology into your existing systems. From precise tax calculations to streamlined exemption certificate management, we help you reduce audit risks, save valuable time, and simplify your entire sales tax process.
Experience the confidence that comes with expert sales tax automation.
Partner with GLSTA and Avalara — and take the guesswork out of sales tax.
