Kustom AB is a Stockholm‑based company whose mission is to make the checkout experience simple, flexible and conversion‑optimized. The product originated from Klarna’s Checkout product and after acquisition and rebranding became Kustom.

Besides an online checkout, the company also offers mobile point‑of‑sale (POS) solutions for physical stores, enabling merchants to accept payments where customers are. The platform supports multiple payment methods, markets and currencies and is designed to be highly configurable.

On the business side Kustom is the parent of Kustom AB with around 29 employees. The company reported revenue of roughly SEK 567 million in 2024 but a small negative result after financial items (~−SEK 33.4 million). The business has solid capital structure and operates in payment and checkout support services.