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Web AppFintech 22 weeks United Kingdom

PaySwift

Cross-border payment infrastructure for SMEs

15K+

SMEs onboarded

35

Currencies

$8M+

Monthly volume

4.2%

Avg. FX saving

The Challenge

UK SMEs were losing 3–5% per transaction to bank FX fees when paying international suppliers. The founders needed a regulated fintech platform that could go live without building their own banking infrastructure.

The Solution

Ubikon built a Next.js fintech platform on top of Stripe Connect and Plaid, with multi-currency wallets, compliance KYC flow, and a virtual IBAN per business. FCA-compliant from day one.

How We Built It

1

Compliance Design

FCA regulatory mapping, AML/KYC flow architecture, PCI DSS scoping.

2

Banking Integrations

Stripe Connect multi-party payouts, Plaid account linking, SWIFT/SEPA wiring.

3

Core Wallet

Multi-currency ledger, real-time FX rates, transaction reconciliation engine.

4

Security Hardening

AWS KMS encryption, HSM key management, penetration test, WAF rules.

5

Launch & Scale

Beta with 200 businesses → FCA registration support → public launch.

"We were live with a compliant, production-grade fintech platform in 22 weeks. Ubikon navigated the regulatory complexity so we could focus on growth."
JT

James Thornton

CEO, PaySwift

Tech Stack

ReactNext.jsNode.jsPostgreSQLStripe ConnectPlaidAWS KMS

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