
How to Grow your eCommerce Business · 2026-04-27 · 26 min
In this episode, we speak with Reuben Mattinson from RJM Tax Exemption , a UK-based consultancy helping eCommerce sellers navigate the complexity of US sales tax. RJM specialises in supporting both US and non-US sellers with sales tax compliance, exemption strategies, and US business setup , enabling brands to enter and scale in the US market without getting caught out by tax obligations. We break down: Why US sales tax is one of the biggest hidden risks for Amazon and Shopify sellers How sales tax exemption works and when it applies The operational and financial impact of getting compliance wrong Practical steps to simplify tax across multiple states To find out more, visit: