Product · London

Payments wired in once, properly

Payment gateway integration done right the first time — Stripe, GoCardless or your provider, built into your product. Fixed scope from £4,000, PCI compliance included.

Solutions we've built power teams at:

  • Amazon Web Services
  • Auto Trader
  • Cedars-Sinai
  • Jet2holidays
  • Jaguar Land Rover
  • Dover Street Market
  • Dexters
  • Lookers

Every step, with a team who's done it before

Billing is the least glamorous part of a product and the worst place to cut corners. A missed renewal or a double charge costs real money and real trust — so payment integration is one job you want done right the first time, not patched later.

  1. Map how you charge

    How you take money decides the provider — Stripe, GoCardless or the one you already use. We recommend on fees and fit, and if your provider's own hosted checkout already covers it, we'll tell you so.

  2. Fix the scope

    You get a fixed price from £4,000 with PCI compliance in scope, not bolted on — card details go to the provider, not your servers. Subscriptions, invoicing or checkout, whichever you're wiring in.

  3. Wire payments in

    We build the integration into your product, handle failed payments and retries, and test it end to end before go-live — because a billing bug you find in production is the expensive kind to find.

  4. Extend it

    Need multi-party payouts, VAT and reconciliation? That's a billing platform from £10,000. And if renewals or invoices break later, a scoped fix makes them dependable again — all code and IP yours on payment.

Money moving through our work

Creator subscriptions running on Stripe Connect, in-app purchases tied to a Shopify store, and a wealth-planning app built on open banking. Billing is the least glamorous part of a product and the worst place to cut corners — so we don't.

  • Udokk

    Udokk is a health and wellbeing content platform CodeLeap built from scratch — iOS, Android and web — where creators publish video content, grow a following and earn through subscriptions.

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  • Cicerone

    A cross-platform mobile app for Cicerone, the established outdoor guidebook publisher — turning trusted walking and cycling guides into GPS routes with offline maps, in-app purchases and a Shopify-linked library.

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  • Bonsai

    CodeLeap is the development team behind Bonsai, a UK wealth app. We build and ship the mobile product across Android and iOS — planning tools, bank connections and premium tiers — releasing new features every sprint.

    Read more

The tech

Payments name-by-name — the providers our shipped billing runs on, and the ones we integrate with when they fit how you charge.

  • Stripe & Stripe Connect

    Udokk's creator subscriptions run on Stripe Connect — including the multi-party payouts that make marketplace billing hard.

  • GoCardless

    We integrate with GoCardless where Direct Debit fits how you bill — recurring invoices that collect themselves, UK-style.

  • RevenueCat

    We've shipped RevenueCat for app-store subscriptions — one source of truth for who's paid, across Apple, Google and Stripe.

  • Open banking

    Bonsai's wealth-planning app runs on an open banking API integration we built to move cleanly between providers — no lock-in by design.

  • Apple & Google in-app purchases

    We've shipped in-app purchases and subscriptions through both app stores — including the review quirks we've already learned the hard way.

  • Shopify

    Cicerone's app ties in-app purchases to its Shopify customer hub — commerce and app billing reconciled rather than fighting.

  • Xero

    Invoicing flows we build post straight into Xero — money movements your accountant can trace without a spreadsheet.

  • And much more

    This is what comes up most often, not a limit. Bring us something that isn't on this list and we'll get up to speed on it — working with something new is the job, not an obstacle.

What our clients are saying

Real reviews from clients we have delivered for, on Clutch and elsewhere.

  • The enthusiasm, understanding of our mission, and passion from the first few minutes of the call were the deciding factors in choosing CodeLeap. Within 3 months of our app launching, we had over 1,500 downloads, appeared in leading publications from Forbes, The Metro, Marie Claire, Women's Fitness and many more, and started raising further investment.
    Charlie CEO, Becon
  • They are incredibly diligent in the quality of work they produce, and go above and beyond when it comes to solving issues faced within the project, and to ensure we meet strict project deadlines. You never feel like you are one of many clients, and they ensure they are always there to help with any need you have, no matter how big or small.
    Amelia Parmiter Marketing Manager, AWS - Marble
  • CodeLeap made me feel like my options were limitless in terms of what could be achieved, which was critical to me as we were creating something very unique. I'm glad I chose Codeleap over a large corporation as the personable approach resulted in a smooth and pleasant experience.
    James CEO, Bearable
  • Working with CodeLeap was a very good experience from both a professional and personal point of view. These people know what they are doing and are both efficient and clever and made a good partner. I wouldn't hesitate to recommend CodeLeap.
    John CEO, Neurometrics-Diab
  • CodeLeap adds so much value and goes above and beyond what I expected. CodeLeap's team is very flexible with all the different requests we've put in front of them. They've also been great with the whole business side of things, and being able to forecast for this industry is really helpful. Overall, I'm completely satisfied with their work — they've been incredibly helpful.
    Johanne CEO, Cherry
  • Their flexibility and focus on quality were outstanding.
    Mike Fenna CTO, Kite Insights
  • Marcelo has been wonderful throughout the process and we are very happy.
    Amrit Director, Energy Company
  • Absolutely FANTASTIC. This is very much what I had in mind. We're very pleased with your team, thank you all very much.
    Rich Director, Legal Company

Recognised by the industry

Independent rankings from Clutch, The Manifest, SME News and the National Digital Awards.

Flexible, transparent pricing

Any questions? We're here to answer

Everything you might want to know before starting a project with us.

  • Stripe, GoCardless or the provider you already use. The right choice depends on how you charge — one-off, subscription, invoicing or marketplace payouts — and we'll recommend based on fees and fit, not habit. And if your provider's own hosted checkout already covers what you need, we'll tell you — not every setup needs an integration project.

  • A scoped payments integration starts from £4,000 — subscriptions, invoicing or checkout wired into your product. A full billing platform for complex or multi-party payments starts from £10,000. Fixed price, agreed upfront.

  • Well under our typical three-month project — a scoped checkout or subscription integration is one of the quicker jobs we do. We'll give you a clear timeline upfront and keep you updated at every stage.

  • Yes — PCI compliance is part of the scope from day one, not a bolt-on. Card details go to the payment provider, not your servers, which keeps your compliance burden small and your customers' data out of harm's way.

  • Yes. Failed renewals, missing invoices and double charges are exactly what a scoped integration fix addresses — we'll review what's there and quote a fixed price to make it dependable.

Meet the humans at CodeLeap

A small, experienced team of designers, engineers and problem-solvers working closely with you from first idea to final delivery.

  • Victor

    Victor

    CTO / Co-Founder

  • Vivian

    Vivian

    COO / Co-Founder

  • Matt

    Matt

    Project Manager

  • Amábili

    Amábili

    Designer

  • Konrad

    Konrad

    Sales Representative

  • Kenzo

    Kenzo

    Tech Lead

  • Paulo

    Paulo

    Tech Lead

  • Marcelo

    Marcelo

    Project Manager

  • Felipe

    Felipe

    Tech Lead

  • Vinny

    Vinny

    Advisor

  • Laura

    Laura

    Commercial Analyst

  • Takuya

    Takuya

    Tech Lead

  • Rafael

    Rafael

    Frontend Developer

  • Caio

    Caio

    Frontend Developer

  • Kaella

    Kaella

    Backend Developer

  • Guilherme

    Guilherme

    Backend Developer

  • Mario

    Mario

    Designer

  • Leonardo

    Leonardo

    Frontend Developer Intern

Let's build something that pays for itself

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