We've been on your side of the table
We spent over a decade building enterprise software together — designing platforms, scaling infrastructure, and shipping products used by hundreds of thousands of users worldwide. On every project we saw the same two things: the same foundations rebuilt from scratch and teams pouring budget into features that never moved the needle.
We founded S16 in 2018 to fix both. A battle-tested platform so you're never paying to rebuild solved problems, and the product judgement to build the right things robustly the first time.
Today we partner with founders and leaders alike: launching new products, and building the internal systems established teams run on. Production-ready from day one, and built to evolve as you grow.
Meet the founders
The people behind S16 Partners

Tom Masters
Co-Founder & CEO
Tom is a technology leader specialising in SaaS platforms, cloud infrastructure, and rapid product development. At PSI Services, he led IT operations across Europe and managed global product support for a large-scale eAssessment platform, driving the transformation from client-hosted to cloud-based architecture. As co-founder of S16, Tom helps founders and teams ship robust products and systems on proven architecture and the S16 Platform.

Ade Palmer-Geaves
Co-Founder & Director
Ade is a technology leader who has been building enterprise solutions since the early 1980s. He founded EnlightKS, an education technology company, which he exited to PSI Services in 2016. His expertise spans designing enterprise platforms, developing growth strategies, and creating product roadmaps for rapidly scaling businesses. As co-founder of S16, Ade brings decades of experience in turning complex technology into commercial success.
What we believe
Pragmatism
We build what moves the needle now and defer what can wait — solving a real problem beats over-engineering for an imagined one.
Partnership
We work alongside you, not just for you — bringing judgement where it counts, and saying "don't build that yet" when it's true.
Scalability
We build for the long run from day one — one client product has scaled in production on S16 Platform for eight years, and never been forced to re-architect to keep up.
Quality we control
All development stays in-house — the only way to hold the standard your product demands and keep one team accountable.
Let's build something that lasts
Tell us what you're working on, and we'll map the shortest path.
