Foundry 5 is a B2B software development UK partner that builds the systems your business runs on. We reduce your risk and strengthen your team, building software that fits how you actually work, connects to what you already use, and holds up when it matters.
Whether you are replacing a broken process or scaling a platform your customers rely on, we bring the experience to de-risk it. We have built and scaled B2B software development UK companies depend on, including Sinq, OpenBook, Mosaic, and Gather.
From
6-12 wks
idea to first live release
Always
100%
code ownership. It's yours.
Included
30 days
post-launch support
Shipping screens is the easy part. We do B2B software development UK operations teams can actually run on: by blending deep domain expertise with hands-on delivery, we make sure your systems fit the way you work, connect to what you already use, and leave your internal team stronger than we found them.
Senior engineers and product leads on your product, not a rotating cast of juniors. The people who scope it are the people who build it.
We document architecture and decisions as we build, so when procurement or a customer sends a security review, the answers already exist.
Real B2B software development UK experience with the integrations, permissions, and workflows business systems run on: ERP, CRM, accounting, and the messy edge cases in between.
Product, engineering, and your operations people working from the same plan, so what we build matches how you actually work.
Software that connects to the systems you already run and migrates your data without losing a row, not another silo to manage.
Clean, documented handovers that leave your team able to own, run, and extend what we built.
Gather automates investment matching, pairing the right opportunities with the right investors through software that has to be exact, secure, and trusted with people’s money. We built the platform to handle that complexity, then stayed on to keep moving it forward. It is the kind of system where “mostly right” is not good enough.
Business teams typically bring in a B2B software development UK partner when the technical decision has to be right the first time, and there is no appetite for finding out later that it was not.
When the business runs on spreadsheets and a system nobody wants to touch, you need a team that can replace it without breaking day-to-day operations.
Brittle integrations and siloed data slowing every team down. We connect what you already run and modernise the foundation without downtime.
When your software is what the business runs on, downtime is lost revenue and lost trust. Built to stay up, and to fail safely when something breaks.
More users, more data, and more integrations, or investor due diligence, all demand architecture and controls that hold up.
Founder at Seconddate
Foundry 5 really impressed me with their work on my AI-powered dating app. They nailed the UI/UX, starting with core app screens and then translating that vision to the web. The React site they built is sleek and polished - exactly what I was hoping for. What I appreciated most was their thoughtful approach and how easy they were to work with. They got the job done without needing me to micromanage.
CEO at StreaksAI
Foundry 5 surpassed all expectations in delivering our web development product swiftly and flawlessly. Their speed and eye for detail, especially under tight time constraints, showcase their commitment to excellence.
CEO, Xcelsior Capital
Working with Foundry 5 has been a great experience from start to finish. They seamlessly translated our vision into a website that not only showcases our brand and operations but also enhances our online presence as an investor in natural resources. Nothing was too much for them and they always put the client first.
CEO of Ove
Working with Foundry 5 to create the Ove app has been an absolute pleasure. Their professionalism, work ethic, and willingness to always go the extra mile has really impressed me. I would recommend them to anyone.
Loom Founder
Foundry 5 have gone above and beyond to bring my vision of Loom to life. Not only this, but they continue to be an integral part of our team. They are lovely people to work with, and I recommend them to anyone looking for a software partner. Particularly for non-technical tech founders (like me!) who need to ensure that their business is in safe hands.
Chief Product Officer Gather
The team has been instrumental in driving both the design and development of Gather, pairing a proactive, highly responsive workflow with the technical depth needed to handle our platform's complexity. Their partnership continues to move the product forward in a reliable and impactful way.
Book a 30-minute discovery call. No pitch. We will tell you honestly whether your B2B software development UK project is ready to build, what it would take, and where the risks are, whether you are replacing a broken process or scaling a live platform.