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// FOUNDRY5
PropertyTech

Delivering reliable software for propertytech

Foundry 5 is a propertytech app development UK partner that builds under real property-sector constraints. We reduce your risk and strengthen your team while navigating compliance, legacy integrations, and the trust buyers, renters, and agents expect.

The Sinq mobile app showing a property project dashboard and variation request form, built by Foundry 5.
Outcomes, not promises

A proven track record

Whether you are launching from an idea or scaling a live property platform, we bring the experience to de-risk it. We have built and scaled the secure, data-heavy, regulated products UK founders rely on, including Sinq, the construction cost and project control platform running on live sites.

Sinq project details and variation request screens, built by Foundry 5.

From

6-12 wks

idea to first live release

Always

100%

code ownership. It's yours.

Included

30 days

post-launch support

Our approach

How embedded senior teams deliver on high-stakes work

Shipping screens is the easy part. We do propertytech app development UK agents and compliance teams can actually depend on: by blending deep domain expertise with hands-on delivery, we make sure your systems scale safely, withstand audit scrutiny, and leave your internal team stronger than we found them.

Direct impact

Senior engineers and product leads working directly on your product. No account managers, no middle layer between you and the people building.

Audit readiness

Architecture and delivery decisions documented as we build, so the evidence for an AML, data, or security review already exists when you need it.

Domain expertise

PropertyTech app development UK teams trust with property data: Land Registry and EPC records, portal and payment integrations, and the workflows agents, landlords, and buyers depend on.

Cross-team alignment

Clear, shared understanding across product, compliance, engineering, and operations, so nothing critical falls between the teams.

Regulated delivery

A team that treats security, AML, and client-money handling as first-class requirements from the first line of code, not a final checklist.

Knowledge transfer

Clean, documented handovers that leave your internal team stronger, with systems they can own, run, and extend.

Featured case study

Sinq

Sinq is a construction cost and project control platform. It is property-sector work with the same shape as propertytech: regulated money, fragmented data, and people who need the numbers to be right. Contractors were running project finances across spreadsheets and disconnected tools. We replaced that with one system for quotations, variations, approvals, and reporting. Cost reporting is now 60% faster.

Property and data, handled properly

  • Property and personal data handled to UK compliance standards, encrypted and access-controlled.
  • Built to connect with the portals, payment rails, and data sources the sector actually runs on.
  • A scalable platform ready to grow listings and transactions without re-platforming.
Sinq cost control dashboard and variations register, built by Foundry 5.
Industry challenges

When propertytech leaders need proven experience

Property teams typically bring in a propertytech app 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.

Regulatory burden

When an AML review, client-money audit, or data-protection deadline is coming, you need a team that has built to those standards before.

Infrastructure gaps

Legacy agent software, siloed property data, and brittle portal integrations holding you back. We modernise without breaking live listings or transactions.

System stability

When a portal or payment fails mid-transaction, trust breaks. You need software engineered for uptime and safe failure.

Growth pressure

Scaling listings, transaction volume, or new markets, or facing investor due diligence, demands architecture and controls that hold up.

What founders say

Results over promises.

David

David

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.

Phil Blows

Phil Blows

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.

Liam Farley

Liam Farley

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.

Libby Tanswell

Libby Tanswell

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.

Daisy Harvey

Daisy Harvey

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.

Chris Jones

Chris Jones

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.

Let’s talk

What does success look like for your propertytech business?

Book a 30-minute discovery call. No pitch. We will tell you honestly whether your propertytech app development UK project is ready to build, what it would take, and how we would de-risk it, whether you are starting from an idea or scaling a live property platform.