Card machine for Treatwell
Card machines that integrate with Treatwell for salons and beauty businesses. Treatwell is the dominant UK booking platform for hair, beauty and barbering.
Who uses Treatwell
Hair salons, barbers, beauty clinics, nail bars listed on Treatwell. Often combined with a salon-specific PoS.
Best acquirers for this stack
- Treatwell Pay (native; the on-platform payment product)
- Square (independent of Treatwell, but integrates with Treatwell-style booking via salon PoS)
- Tap to Pay on iPhone (mobile beauty providers using Treatwell for booking)
How the integration works
Treatwell Pay handles online booking deposits and end-of-treatment charges via Treatwell's own payment infrastructure. Independent acquirers (Square) handle in-salon walk-in and card-on-file scenarios outside Treatwell. Many salons run both.
Watch outs
- Treatwell Pay rates are Treatwell-set; compare to independent acquirers.
- No-show fee handling depends on the booking-platform rules.
- Splitting tips between artist and house needs configuration in the booking platform.
Get a quote
Tell us your software stack and we route to acquirers with proven Treatwell integration.
Open quote form →Founder & Managing Director, Muswell Rose, MerchantHQ
Adam is the founder and managing director of Muswell Rose and a founder of Best Business Loans Ltd, the company behind MerchantHQ. His career runs through insurance, mortgages, commercial finance and fintech lending, including payments and merchant services. He writes the MerchantHQ library.
Last reviewed: 26 April 2026