Smart Payment Technologies Partners with Castles Technology to Strengthen Global Payment Capabilities

Smart Payment Technologies has partnered with Castles Technology to enhance its G8 payment gateway by integrating Castles’ advanced hardware platforms with its existing payment technology ecosystem.

The partnership between the two industry leaders brings together secure, PCI P2PE–certified payment processing with flexible, device-agnostic hardware, enabling merchants and ISVs to deploy scalable payment solutions across multiple environments. Initial deployments will support sectors including EV charging, unattended services, hospitality, entertainment, and retail, where reliability and adaptability are critical. 

By combining Castles Technology’s global hardware portfolio with Smart Payment Technologies’ software-led gateway, the collaboration is designed to help businesses reduce failed transactions, support offline payments, and operate more effectively across borders. 

G8, Smart Payment Technologies’ in-house payment platform, provides:

• Flexible hardware and gateway architecture, adaptable to a wide range of customer use cases
• Simplified ISV onboarding, enabling faster integration and deployment
• Offline payment capability, ensuring continuity during connectivity outages
• Auto-retry functionality, improving acceptance rates and reducing transaction failures
• White-label customisation, allowing partners to tailor the experience to their brand
• Multi-currency support, supporting international expansion

Jean-Philippe Niedergang, ACTING GROUP CEO and EMEA-PACIFIC-LATAM CEO at Castles Technology, said: “Castles Technology’s agnostic approach to payments enables us to support a wide range of sectors and customer requirements. Partnering with Smart Payment Technologies allows us to extend that flexibility through a strong gateway proposition that is well suited to the UK market and beyond.” 

Will Stone, CTIO at Smart Payment Technologies, added: “This collaboration reflects our commitment to delivering best-in-class payment solutions by leveraging Castles Technology’ extensive range of innovative hardware and their versatile integration methods, which perfectly complement our technology ecosystem. 

Castles Technology’s global approach to partnership enables us to offer adaptable payment solutions across multiple sectors throughout the world, aligning seamlessly with the diverse customer base we support. By combining Castles Technology’ hardware excellence with our advanced payment capabilities, we are creating solutions that meet the evolving needs of these markets.