Customers

From sellers who use it

Two sellers on camera, and what current customers say in their own words.

Sean: a £6k-a-month VAT gap

When Sean connected STK alongside his old profit tool, the two disagreed by about £6,000 a month. His old tool wasn't calculating his VAT properly.

Aaron: the repricer

Aaron has sold on Amazon for over four years and tried other repricers first. In his words, none of them compared to how easy and simple STK's is.

In their own words

“What an absolute GAME CHANGER this STK software is!!!”
Marian Lipnicky · STK customer
“STK is the best P&L tool I worked with. Can't recommend it highly enough!”
Vlad Coki · STK customer
“Best piece of software I have… Absolutely pays for itself in reimbursements I didn't know were due.”
James Fox · STK customer
“I've recently moved from [another repricer] (had for over a year) as [I] got bought in to the 'maximise profits' promise and realise now how much of a fools gold this is. My only regret is not moving sooner.”
Jamie Duncan · STK repricer customer

11,486

reimbursement claims taken to Amazon by SellerToolKit since June 2026, with no commission on any of them.

Figure as of 7 October 2026.

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