Old St. Labs

Old St Labs was founded in 2020 by experienced startup builders, and its origin story is tied directly to the moment it launched into: the studio built its reputation by surviving that year’s downturn, taking on founders and businesses that needed more than just someone to write code. Based in London, with roots at WeWork Southbank and a second base in Cape Town at Workshop 17 Waterfront, the team has grown to somewhere between 15 and 50 people and describes itself as remote-friendly, mixing early-career developers with veterans who’ve built and run their own companies before.

The studio positions itself as a technical partner rather than a contractor, working with clients from an initial idea through to launch and beyond. Projects range from rapid three-day prototypes to full-scale production applications, spanning healthcare, fintech, education, sports, and community-focused platforms. Recent work has included AI-powered math tutoring apps, a menstrual health platform, an incident-reporting database for the Association of British Climbing Walls, and a bespoke AI-filtering platform built for a corporate real estate brokerage.

Quality control is treated as a core part of the process rather than an afterthought; the team says it dedicates roughly a third of development time to testing, working through test-driven and behavior-driven development practices. That approach shows up in its review record: Old St. Labs holds a 5-star rating across more than 20 Clutch reviews, with clients repeatedly citing responsiveness, professionalism, and a genuine cultural fit, often describing the team as feeling like an extension of their own company rather than an outside vendor.