Smaller is faster.
We cap projects at seven people. Smaller teams ship more, argue less and remember what they built.
We are 38 engineers, designers and security specialists working from a single studio. We build the kind of software you want to forget about — because it just runs.

§ Origin
SUNSCREEN & DOOR began in 2016 as a reaction to the agency model — endless layers, junior implementation, opaque hand-offs. We wanted a studio where the engineer in the kickoff meeting was also the engineer paged at 3am.
Ten years on, the structure has held. We've kept the studio small, the team senior, and the work focused on systems that matter.
§ Principles
We cap projects at seven people. Smaller teams ship more, argue less and remember what they built.
We pick proven tools. Novelty is a tax our clients pay; we minimise it deliberately.
Threat modelling sits next to component design. It isn't a phase we bolt on at the end.
We write for the engineer reading it in three years — and that engineer is often us.
§ Milestones
Studio founded as a two-person practice in a small office above a bookshop.
First long-term platform partnership; team grows to nine.
Security practice formalised; SOC2 attestation programme begins.
Applied-AI group spun up; first agentic workflow shipped in production.
Cloud cost-optimisation practice launches; saves clients $14M in year one.
Studio reaches 38 engineers; remains structurally flat.
38
Studio members
210+
Engagements
97%
Retention
11y
Median tenure
