YARKEY LIMITED · LONDON
A UK software studio: two flagship platforms, a lab of live product experiments, and select client engineering.
We design, build and operate consumer and B2B software end to end, from first commit to production operations.
LLM-powered tutoring, content generation and assessment pipelines running in production, not in demos.
TypeScript and Next.js, payments, realtime infrastructure, and deployment — handled as one system.
Faust is an AI-powered preparation platform for the Goethe German exams. It generates full exam papers at every level from A1 to C2 across reading, listening, writing and speaking, marks written work, and runs live speaking practice with instant feedback. Spaced-repetition flashcards, an AI chat tutor and voice rooms round out a complete study system. Live as a subscription product at faustacademy.com.
MUA — Mass University Applications — is a platform for applying to universities worldwide through a single structured profile. It matches applicants to universities against their academic profile with AI assistance, and tracks every deadline, document and decision in one place. Live at muaplatform.org.
Ten commercial product experiments, designed, built and shipped in-house in a single sprint. Each one is live.
Psychometric test prep for UK train-driver candidates, with an interactive concentration drill.
Mock exams for the UK SIA security licence, with instant answer rationale.
Detention-pay loss calculator and recovery toolkit for US owner-operator truckers.
Pre-departure eSIM bundles for Turkey, built around local network restrictions.
Travel eSIMs for destinations outside UK roaming zones.
Roaming bill-shock calculator with verified carrier day rates.
UK parking-charge appeal letters generated from a structured intake.
Instant quotes and courier pickup for broken iPhones.
Price-floor scanning alerts for UK electronics resellers.
Demand-letter service for unpaid freight-broker invoices.
A 3D browser game: merge asteroids into planets and planets into suns without overflowing the well.
A co-browsing experiment that synchronizes the page itself instead of streaming video.
A daily numbers puzzle game with three difficulty tiers.
Alongside our own products, Yarkey takes on a small number of client engagements where the work matches how we build.
Scoping, architecture, implementation and operation of production web software.
Applied LLM systems: tutoring and assessment flows, content pipelines, retrieval, evaluation.