Independent software studio · London

We design and build software from prototype to production.

Partnering with founders and product teams to ship web apps, real-time systems, and AI tools.

01DOOH & Dynamic Creative Optimization

ThunderBolt

A browser-based HTML DOOH (Digital Out-of-Home) creative editor and dynamic creative optimization (DCO) suite, integrated into StoreBoost's existing .NET and AWS production system. Enables retailers and brands to build data-responsive ad creatives triggered in real time by footfall sensors, weather conditions, scheduling, and live in-store queue times across major screen networks.

storeboost.com
ThunderBolt HTML DOOH creative editor interface preview
02Audio Intelligence & Media Monitoring

You've Been Mentioned

Real-time media monitoring across podcasts and YouTube. We built the customer product and the production audio systems behind it—transcription, search, and alerting for PR and brand teams.

youvebeenmentioned.com
You've Been Mentioned media monitoring platform preview
03Music Education & Real-Time Audio

Synkii

An interactive online classroom built for academies and private tutors. Engineered with sub-20ms peer-to-peer WebRTC audio, synchronized 88-key MIDI instruments, live score annotation, and multi-camera video, running directly in the browser with no downloads or plugins.

synkii.com
Synkii online music classroom preview

Capabilities

01

Web & mobile apps

From initial MVP to full production rebuilds. Clean, responsive frontends and resilient backends designed for performance and scale.

02

AI & integrations

Pragmatic LLM features, custom embeddings, vector search, and robust API pipelines that solve actual bottlenecks.

03

Cloud & modernisation

Modern cloud architecture, performance tuning, and database migrations. We help teams untangle technical debt and scale reliably.

Working approach

Senior engineers, direct communication, and code you actually own.

You work directly with the people designing and writing your software, with no account managers and no junior hand-offs. We iterate in weekly cycles, communicate openly, and deliver clean, documented code your team can maintain with confidence.

Start a project

Tell us about what you're building.

Whether you have a detailed technical specification or an early concept on a napkin, we're happy to review your requirements, talk through architecture, and see if we're the right fit.

Direct emailhello@kingsquared.co.uk
Response timeWithin 24 hours
Studio baseLondon, UK
Project brief* Required fields
Services of interest (Optional)