FinPayOne delivers enterprise software engineering, payment gateway integrations, real-time transaction data processing and custom CRM orchestration for modern businesses — built to the standards regulated partners expect.
Transactions / 24h
1,482,905
+6.4%
API uptime (90d)
99.98%
SLA met
Avg. routing latency
84 ms
-12 ms
Authorised volume
liveCRM pipeline
Four engineering practices that compose into one delivery programme — integration, CRM, data processing and developer tooling.
Seamless connection with Tier-1 gateways and acquirers — orchestrating reconciliation, webhook delivery, retries, and multi-currency flows across your estate.
Proprietary CRM platforms built for customer lifecycle tracking, merchant onboarding and automated risk workflows.
Scalable cloud architecture, low-latency transaction routing and hardened enterprise hosting environments.
Robust SDKs, end-to-end encryption and dedicated sandbox environments for your engineering teams.
Legacy ledger extraction, schema mapping and zero-downtime cutover for regulated data estates.
Transactions processed daily
Rolling 90-day API uptime
Gateway & acquirer integrations shipped
Median internal event latency
Our controls are documented, auditable and designed to satisfy bank and payment-provider due diligence.
TLS 1.3 for all external traffic, AES-256 at rest, envelope encryption with managed KMS keys and strict key rotation.
Documented ISMS controls, role-based access, least-privilege production access and annual penetration testing.
Data processing agreements, EEA/UK data residency options, defined retention schedules and subject-rights procedures.
Scope-minimising designs using tokenisation and hosted fields so cardholder data never touches client systems.
FinPayOne Ltd is a software engineering and data processing company. We provide technology, integration layers and infrastructure to businesses and to licensed financial institutions. FinPayOne is not a bank, is not an electronic money institution, and does not hold, transmit or settle client funds. All regulated payment execution is performed by our clients' licensed partners.
Every programme follows the same disciplined path from architecture review to supported production operation.
Technical workshops, data-flow mapping, regulatory scope analysis and a signed-off solution architecture.
Sprint-based delivery, gateway and CRM integration, infrastructure as code and continuous code review.
Automated test suites, load and failover testing, reconciliation validation and client UAT in isolated sandboxes.
Controlled release, observability dashboards, contractual SLAs and around-the-clock incident response.
Book a technical discovery session with our solutions engineers. We will map your flows, scope the integration and return a written architecture proposal.