Free Demo
- One fixed-number case per level
- Full guided walkthrough
GG Tax · Compliance
Nexus, taxability, rates, exemption certificates and state returns.
Since the Wayfair decision, sellers owe sales tax in every state where they cross a threshold, each with its own rates, taxability rules and returns. Employers need analysts who can test nexus, read a taxability matrix and file clean returns, not just run software.
A simulator for US sales and use tax compliance across real state rules for California, Texas, New York, Florida, Washington, Illinois, Pennsylvania, Colorado and Tennessee. Test nexus after Wayfair, build the taxability matrix, stack state and local rates, check exemption certificates, prepare state returns, accrue use tax and reconcile to the ledger.
Who It Is For
Skills You Build

Already enrolled? Log in, then open your level: Basic · Intermediate · Advanced.
Self-study course. Practise on your laptop, desktop, tablet or mobile. Live classes, video lectures and in-person coaching are not included and are charged separately: ask us.
6 months of access. Secure Razorpay checkout: pay in Indian rupees, or in US dollars if you are outside India (choose at checkout).

CA, EA, B.Com, PG DBM, Six Sigma & Pursuing ACCA · 25+ years in global tax, 10+ years in the US · Former Big 4 Tax and Transformation Leader who led teams of 600+ professionals.
Yes. State rates, nexus thresholds and taxability rules are the 2026 rules for nine states. Local rates are illustrative, since they change every quarter.
No. It teaches what a tax engine decides and why, so you can configure and review any of them.
Yes. The free demo has one fixed case per level.
Choose a plan above and press Buy Now. Enter your name, login email and WhatsApp, pay on Razorpay, then activate on the Thank You page with your Payment ID. Teams of 10+ can ask for a team licence.
A current browser (Chrome, Edge, Safari or Firefox) and internet. A laptop works best for simulators. One login, up to 2 of your own devices.
No. This is a self-study course that you use on your laptop, desktop, tablet or mobile. Live classes, video lectures and in-person or classroom coaching are not included in the price; they can be arranged separately at an extra charge. See Classroom Coaching or WhatsApp +91 81478 99500.
6 months from activation. Refunds within 7 days (bundles as a whole).
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Questions? WhatsApp us or see the FAQs. What each form covers: Scope & Assumptions.