Experienced software and AI engineers who work inside your team. Vetted for your stack, managed from London, and free of recruitment, payroll and HR overheads.
Trusted by growing businesses since 2007
Our engineering teams in India and the UAE work as part of your team. Account management and quality control stay with us in London, so you always have a UK partner who answers for the result.
Account management, quality control and a single point of contact.
Vetted engineers who work as part of your team, on your tools.
Growing businesses on both sides of the Atlantic.
Hiring good engineers is slow, expensive and risky. We give you skilled people who focus on your work from the first week, and we handle everything else.
Your Charterstone engineers work only on your projects. They join your stand-ups, use your tools and follow your process, so they feel like part of your team rather than an outside supplier.
Every engineer passes interviews, technical tests and reference checks, and is matched to the skills you need.
Your account manager has UK and US business experience and keeps communication clear from brief to delivery.
No placement fees, PAYE or HR administration. You pay for the work; we take care of employment.
All source code and intellectual property we create for you belongs to you, with transparent reporting throughout.
Add one specialist or a complete delivery team, for new products, modernisation or long-term support.
Engineers who work only on your roadmap, as an extension of your in-house team.
Secure web applications and APIs, built cloud-native on Azure, AWS or Google Cloud.
Assistants, document intelligence and automation built on leading AI models and your own data.
Databases, pipelines and dashboards that turn your data into decisions.
Cross-platform iOS and Android apps that share code and skills with your web platform.
Upgrade legacy systems, then keep them secure, fast and fit for purpose.
We help you move from AI experiments to dependable features: grounded in your own data, built securely and measured against real business outcomes.
Chat assistants and copilots that answer from your own documents and systems using retrieval-augmented generation.
Extract, classify and summarise information from contracts, invoices, emails and reports automatically.
AI agents that take on repetitive, multi-step work across your tools, with people kept in the loop.
Intelligent search, recommendations and in-app copilots that make your product more useful to your customers.
A simple, low-risk process that gets the right people working on your priorities quickly.
We learn about your goals, your stack and the skills you need.
We shortlist vetted engineers for your requirements, and you meet them before they start.
Your engineers join your tools, rituals and communication channels.
Weekly reports and daily timesheets keep you in control, with your account manager on hand throughout.
From modern web and cloud to applied AI, matched to the technologies you already use.
Great team. We are so impressed with the response and value we are getting from Charterstone that we're looking to move more projects to them.
The team at Charterstone are professional, hard-working and deliver excellent value. Highly recommended.
Charterstone are an integral part of our development team. We have been consistently impressed with the speed and dedication they bring to every task.
Tell us what you're building and the skills you need. We'll arrange a no-obligation call to explore how we can help.