Castles Technology
Last verified 2026-04-26
Castles Technology is a UK mainstream acquirer operating across in-person card payments. Headline rate Bespoke per partner, per acquirer, per acquirer. UK card-machine manufacturer; hardware partnered with multiple acquirers.
Verifiable identifier chain
Commercial profile
- Headline rate
- Bespoke per partner
- Settlement
- Per acquirer
- Contract
- Per acquirer
- Channels
- In-person card payments
- Tier
- Mainstream acquirer
Editorial notes
UK card-machine manufacturer; hardware partnered with multiple acquirers.
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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