Walsh London · Software Consultancy
From rapid mobile apps to enterprise-grade digital transformations. No smoke, no mirrors — just experienced engineers delivering exceptional products.
About Walsh London
We work in an industry full of consultancies that promise the world and under-deliver. Walsh London was built on one principle: bring real, experienced engineers and consultants directly to the problems that matter — and get things shipped.
From Start-Ups to Multi-Million Pound Enterprises, our work spans mobile apps, cloud infrastructure, AI integration, and full-stack digital transformation. Always on time. Always aligned with your goals.
We stay at the forefront of modern tooling — including AI-assisted development. That means faster delivery, leaner builds, and better value for our clients. Not buzzwords. Just better output.
No jargon, no politics. Our consultants bring years of experience in digital transformation, rapid delivery, and agile development — and they tell you exactly what needs to change.
We turn digital ideas into reality by working closely with your users and team throughout every stage of development. The end-goal is always the north star.
No matter the budget, we deliver professional-grade software and customer service. Technology shouldn't be daunting — we make it feel effortless.
How We Work
We scope your project thoroughly — understanding goals, users, constraints, and technical landscape before a line of code is written.
Architecture decisions, sprint planning, and milestone alignment. We involve you in every meaningful decision from the start.
Weekly demos, constant communication, and agile cycles keep the build on track. We use the latest AI-assisted development tooling to move faster — without cutting corners.
From App Store submission to production pipelines, we handle every step of the release — and remain available post-launch.
Selected Work
Walsh London was brought in as the senior technology leader to stabilise and professionalise a telecoms CRM platform being repositioned as a standalone B2B SaaS product. This meant leading a complex agency transition, diagnosing legacy technical debt, resetting engineering governance, and overseeing a migration to AWS — giving the business a credible foundation to scale from.
View MultiTask →Fantastec's managing partner approached Walsh London directly to rescue their slow, bug-ridden licensed football NFT app. After a thorough scoping phase, we rebuilt the entire platform from scratch — delivering a high-performance, stable product that their user base had long been waiting for.
Engagement completed · Company subsequently closedWalsh London delivered EDF's pilot app from scratch in just 93 days. We were retained post-launch to advise on mobile team recruitment, upskilling, and the second version — alongside ongoing consultancy on agile development practices and engineering culture at one of the UK's largest energy companies.
View EDF Energy →Silicon Sky brought Walsh London in to completely rebuild their legacy Radio-Telephony training app after the original developers fell short. After months of close collaboration and beta testing with real pilots, AvA now helps aviators at every level master radio communications with confidence.
View Silicon Sky →Cosmetify exclusively engaged Walsh London to build their mobile app from scratch — iOS and Android in full parity — within a 12-week deadline. We delivered on Halloween 2020 as committed, with weekly demos and agile coaching throughout. The app launched to strong reviews and remains live on both stores.
View on App Store →Walsh London was engaged to contribute to mobile development on Perkbox's employee benefits and wellbeing platform — one of the UK's most widely used HR tech products, serving thousands of businesses and their workforces. Work spanned cross-platform mobile, feature delivery, and technical collaboration with their engineering team.
View Perkbox →In-House
Beyond client work, Walsh London builds and maintains our own applications — living proof of the craft we bring to every project.
An idle tycoon game where every decision counts. Build businesses, trade stocks and crypto, collect luxury assets, and play high-stakes casino games. Built entirely in-house. Our most ambitious product to date.
A football prediction and stats platform built natively for mobile by Walsh London — from concept through to App Store. Currently undergoing a significant update including new AI features in the pipeline.
An early Walsh London product that demonstrated our full-stack capability from back-end architecture to polished native UI. Live on both App Stores.
Client Feedback
Walsh London's depth of mobile expertise accelerated our development significantly. We set an ambitious deadline that felt almost unreachable — they delivered everything on time and to an exceptionally high standard.
Walsh London worked collaboratively with our team to help navigate the pioneering digital collectibles sector, providing technically excellent solutions with real-world clarity. An experienced, senior voice that bridged the gap between our customers and product team seamlessly. We would not hesitate to recommend them for any assignment of similar calibre.
It was fantastic having Walsh London on the team. Seeing a new feature demoed on day three of the engagement was genuinely impressive — a great team player and a very talented engineering partner. Highly recommended to any team.
After inheriting a significant amount of tech debt from a previous agency, Walsh London's calm approach and ability to ship quickly started speaking for itself immediately. Weekly demos came thick and fast, and features we'd never managed to get working previously arrived like clockwork. A genuine pleasure to work with — they'll be the first call we make when we secure our next round.
What We Do
Fixed engagements typically start from £5,000. Monthly ongoing engagements roughly ranging from £2,500 to £20,000 per month. All projects are scoped on a case by case basis however.
Get in Touch
Every project is unique. Tell us what you're working on and we'll respond with ideas, a rough scope, and honest advice. All engagements are priced individually.
Prefer a direct conversation?
✉ Email Us Directly