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Stax Review: Pros, Cons, Features, and Pricing Explained

Stax (formerly Fattmerchant) is a payment solution for small businesses that helps CFOs simplify payment processing, reduce costs, and gain clearer financial visibility. If you're evaluating payment processors, Stax payments offers a subscription-based model with transparent pricing, integrated analytics, and support for in-person and online payments.

In this review, you'll get a clear look at Stax's features, best and worst use cases, pros and cons, and how its pricing stacks up against other payment solution providers.

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Bradley Clifford
By Bradley Clifford

I have 15+ years of experience helping growth-stage companies build finance infrastructure, forecasting tools, and decision-support frameworks. I'm VP of Finance at Black & White Zebra, and previously Senior Director of Finance at Rewind, where I helped cut cash burn from $11M to $2M. I also spent 6 years at Stack Overflow, supporting growth from $20M to $100M through its $1.8B acquisition. I hold an FCCA designation and an MSc in Professional Accountancy.