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Fintech & payments

Money movement thatreconciles, on infrastructureyou can audit.

Subscriptions, payouts, BNPL, open banking and e-invoicing, built so every event is recorded once and finance can prove it at month end.

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Fulfilment · Royal Mail live
Labels today42
Sandboxon
Duplicates0
Happening now
  • Order #10480 · addressvalidated✓
  • Labelcreatedidempotent
  • Postage charged£0.00sandbox
  • Tracking webhookreceived✓
What we build

What we build for fintech and payments.

01

API & payment integrations

Stripe, PayPal, wallets, Tabby/Tamara, Flutterwave, Tide open banking, ZATCA e-invoicing, all behind one reliability layer.

How it's built
02

Custom SaaS

Billing that survives failed cards, plan gating, proration and an admin that matches Stripe.

How it's built
03

Cloud architecture & DevOps

Backups that restore, secrets in a manager, alerts before a customer notices.

How it's built
Selected work

In production.

All case studies
Engineering & compliance · SaaS

A cable calculator that turns two British Standards into a subscription product.

A permanent free plan converts on limits; Stripe subscriptions with plan gating, verified webhooks, proration and dunning; admin matches Stripe.

2British Standards encoded
1permanent free plan
15Next.js major version
Read the case study
Compliance calculator · Pro
16 mm²
Load 32 kW · 45 m · outdoorwithin limit
Subscriptionactive
Webhook invoice.paid✓
MedTech · Flutter PWA

A partner programme that pays out through UK open banking, notifies once and never creates a partner twice.

Custom claims for roles, Firestore, Cloud Functions with dedup keys and delivery logs; writes serialised; Fena to Tide without interrupting withdrawals.

1codebase for iOS, Android, desktop
8Cloud Function triggers
0duplicate notifications
Read the case study
Partner portal
£1,240
Withdrawal #221paid
Referral bonuscredited
Notificationsent once
Questions buyers ask

Before you write to us.

01

How do you prevent duplicate charges or payouts?

+
Idempotency keys on every outbound action and stored, verified inbound events; a retry finds the original instead of creating a second.
02

Can you switch payment providers without downtime?

+
Yes; we did exactly that for a UK partner programme, moving open-banking payouts between providers with no gap.
03

Do you handle regional rules?

+
SCA in the EU and UK, ZATCA Phase 2 in Saudi Arabia, and entity routing for multi-market sellers.

Tell us what should
run itself.

Send the problem, not a brief. An engineer replies within one business day.

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