No templates — every system is different

We build your
website.

We build custom software for companies that have outgrown off-the-shelf. No two systems we make look alike — each one is shaped to the problem in front of it, from first principles to production, and owned by you.

one bespoke stackshipped
Websitemarketing · web appMobile appiOS · AndroidOps consoleadmin · internalBespoke applicationAPIs · business logicServicesworkers · jobsDatabasemodels · storageIntegrationspayments · CRM · ERP
Surfaces
Web · Mobile · Console
Application
APIs · business logic
Foundation
Services · Data · Integrations
Capabilities

One team, the whole system.

From the first architecture diagram to the pager that wakes us at 3am — Foundry owns every layer of what we build.

The whole stack, built once

Clients come to us to build an entire system — the website, the apps, the admin tools, the backend, the data. We design and ship all of it as one coherent thing, not stitched-together parts.

Websites & web apps

Marketing sites and product interfaces that are fast, polished, and a pleasure to use.

Mobile apps

Native-quality iOS and Android, sharing one well-built backend with the rest of your stack.

Management systems

Admin consoles, dashboards, and internal tools your team actually wants to run the business on.

Backend & APIs

The services, data models, and APIs that quietly power everything above them.

Integrations & infrastructure

We wire into the tools you already run — payments, CRM, ERP — and stand up the infrastructure, security, and reliability to keep it all running.

How we work

No template.
Every time.

We don't have a productized methodology to sell you. The way we work adapts to the problem — but a few things never change: senior engineers, no offshore handoffs, and software you end up owning.

  1. 01

    Start with the problem

    Not a process, not a template. We sit with the real constraints — technical, regulatory, human — until we understand what actually needs building.

  2. 02

    Design from first principles

    Every system gets an architecture shaped to its own reality. We don't reach for last project's blueprint, because your problem isn't last project's problem.

  3. 03

    Build in the open, ship early

    Senior engineers working in tight loops, with real software in your hands from the first weeks. You see it take shape — never a big-bang reveal.

  4. 04

    Hand over what's yours

    Documented, tested, and fully transferred — source and all. We run it with you for as long as it helps, then leave you owning something you understand.

Why Foundry

A partner that ships like it's their own.

Most agencies hand you a deck. We hand you a system in production, the source that runs it, and a team that stays accountable.

Senior-only teams
Every engineer on your account has shipped systems at scale. No juniors learning on your budget.
You own the source
Full IP transfer, documented and tested. No black boxes, no vendor lock-in, ever.
Embedded delivery
We work in your tools, your standups, your repos — an extension of your team, not a contractor at arm's length.
Fixed outcomes
Scoped milestones with clear acceptance criteria. You always know what you're getting and when.
foundry · ci
foundry build --target prod
compiling domain engine
schema migrationno breaking
integration suitepassing
soc2 evidence collectedauto
deploy → canary
live · healthy
Why bespoke

We don't sell a product or a process. We start with your problem — and build exactly what it needs.

No two systems we've built look alike, because no two businesses do. We don't reach for a framework we're trying to resell or a blueprint from the last project. We design from first principles and forge software that fits — precisely.

01

Bespoke by default

Nothing off a shelf. Every line of code earns its place because it solves a problem you actually have.

02

Built for your reality

We model the messy specifics most vendors smooth over — the edge cases are usually the whole point.

03

Yours to keep

Full source, documented and transferred. No lock-in, no black boxes, no dependency on us to keep it running.

Who you'll work with

No account managers, no handoffs to a team you've never met. The senior engineers who scope your project are the ones who design and build it — start to finish.

We keep Foundry deliberately small and senior. It means we take on fewer projects, stay close to every detail, and treat your system with the same care we'd give our own.

The Foundry teamCovent Garden, London
FAQ

Questions,
answered.

Anything else? Just ask us directly.

Start a project

Let's forge what's next.

Tell us about the system you need. You'll hear back within one business day — from a senior engineer, not a sales rep.

Covent Garden, London

Or email hello@foundrysystems.co.uk