Software that simply works.
For businesses that can't afford surprises. Redsocket is a London software consultancy led by a principal engineer with 12+ years shipping production products. We design, build and run the web, mobile and desktop applications you depend on, on your infrastructure, in code you own.
- Fixed-price discovery
- Weekly releases
- You own the code
Our engineers have shipped for
- Ministry of Justice
- The AA
- Exchange Art
- Theory Test Passed
Tools we work with every day
- TypeScript
- React
- Angular
- Node.js
- .NET
- PostgreSQL
- Google Cloud
- Docker
- GitHub Actions
- Swift
- Kotlin
- Flutter
- Claude
- Redux
- Jira
One team for the whole product.
From the first workshop to the app-store listing and the server it runs on. No hand-offs between agencies, no gaps.
Web applications
Customer portals, internal tools and SaaS products built on modern, maintainable stacks.
Learn moreMobile applications
iOS and Android apps, native or cross-platform, from first release to store listing.
Learn moreDesktop software
Windows and macOS applications for workflows that a browser tab cannot handle.
Learn moreCloud & integrations
Serverless backends, APIs and the plumbing between the systems you already run.
Learn moreAI integration
Practical use of large language models inside the products and processes you already have.
Learn moreSomething else?
Rescuing a stalled project, an audit of what you already have, or a second opinion. Ask.
Talk to us
One accountable engineer. No surprises.
Every project is led hands-on by the same principal engineer from first call to handover. When the scope calls for it, we bring in specialists we have shipped with before, so delivery stays end to end without the overhead of an agency.
“Knowledgeable and responsive throughout. They delivered a high-quality solution on time and within budget, and their recommendations helped us reach our goals.”
0
projects delivered
from MVPs to systems running a whole business
0
long-term clients
most have been with us for more than two years
0+
years
building web, mobile and desktop software
0
cups of coffee
and counting, according to the office machine
Things we've shipped.
Publishing · 2025
Collaborative publishing platform
Real-time co-authoring, AI-assisted writing, print-on-demand and author storefronts, built as a five-app Next.js monorepo for PubliWrite.
EdTech · 2024
Theory Test Passed
A UK driving-theory learning product taken from an empty repository to a live web and mobile business, including hosting, SEO and growth.
Public sector · 2022
Accessible component library for government services
A GOV.UK-compliant Angular component library and the large-scale applications built on it, with an accessibility-first, fully tested approach.
- wk 01discovery report + architecture delivered
- wk 02v0.1 on staging: auth, roles, audit log
- wk 03v0.2: bookings, reminders, admin views
- wk 04v0.3: payments, invoices, exports
- wk 05v1.0 in production, handover complete
- $ ▍
Working software every week, not slides.
- 1
Discover
A short, fixed-price phase to understand the problem, agree scope and de-risk the unknowns. You get a written plan you can take anywhere.
- 2
Build
Weekly releases of working software to a staging environment you can click through. Priorities can change; the cadence does not.
- 3
Run
We deploy to your infrastructure, hand over clean code and documentation, and stay on for support if you want us to.
Have a project in mind?
Tell us what you are trying to build. We reply within one working day, with questions rather than a pitch.
Start a project