Best Nearshore AI Development Companies for UK Businesses (2026)

Nearshore AI development companies to consider for UK businesses include Lexis Solutions, STX Next, N-iX, Netguru, ELEKS, Future Processing and Accedia. All seven deliver from Central and Eastern Europe, one to two hours ahead of UK time, and they differ mainly in size, AI focus and whether they have an office in London.

Nearshoring AI work lets a UK company add senior AI engineers without building the whole team locally, while keeping most of the working day in common. The practical questions are less about geography than about who will actually build the system, how your data is handled and whether the partner has shipped AI that runs in production.

This guide compares seven nearshore partners, what their public materials say about their AI work and UK presence, and the questions to ask before you sign.

Published by Lexis Solutions, which is included in this guide. Company information was reviewed on 2 November 2026 using each company's public website. Suggested fit is our editorial assessment of the linked sources; listing order is not a ranking.

How we selected these companies

We considered the following when choosing which companies to include:

AI delivery: public service pages or case studies covering AI agents, generative AI, RAG or machine learning, not only general software development.
Nearshore to the UK: engineering teams in Central or Eastern Europe, within two hours of UK time.
UK relevance: a London office, a named UK team or stated work with UK clients.
Range of sizes: from a small senior team to firms with thousands of engineers, so buyers can compare engagement models.

What to expect from a nearshore AI partner

Time zones: Poland is one hour ahead of the UK; Bulgaria, Romania and Ukraine are two hours ahead. That leaves six to seven shared working hours a day.
Data protection: partners in EU countries such as Poland and Bulgaria apply the EU GDPR, which is closely aligned with UK GDPR. You still need a data processing agreement and a clear list of sub-processors, including the AI model providers.
Engagement models: fixed-scope projects, dedicated teams that work inside your processes, or individual engineers added to your team.
Production experience: the gap between an AI demo and a system your staff rely on is integration, permissions, evaluation and monitoring. Ask to see evidence of all four.

A quick comparison of nearshore AI development companies for the UK

| Company | Delivery base | UK presence | Size | AI focus | |---|---|---|---|---| | Lexis Solutions | Sofia, Bulgaria (UK +2h) | Works with UK clients | Around 15 | AI agents, RAG, AI internal tools, data pipelines | | STX Next | Poznań, Poland (UK +1h) | London office | 450+ | AI agents, enterprise RAG, document processing | | N-iX | Central and Eastern Europe, HQ in Malta | London office | 2,400+ engineers | AI agents, generative AI, data platforms | | Netguru | Poznań, Poland (UK +1h) | No UK office listed | Not stated | AI workshops, proofs of concept, agentic AI, RAG | | ELEKS | Eastern Europe, founded in 1991 | London office | About 2,000 | AI consulting, AI development, generative AI | | Future Processing | Gliwice, Poland (UK +1h) | London office | Not stated | AI readiness assessment, AI and ML | | Accedia | Sofia, Bulgaria (UK +2h) | Member of the London Chamber of Commerce | 250+ | Generative AI, agents, machine learning |

Seven nearshore AI development partners to consider

1. Lexis Solutions

Lexis Solutions is an AI engineering company founded in 2017 and headquartered in Sofia, Bulgaria, two hours ahead of UK time. It is a Select Partner in Anthropic's Claude Partner Network, and 90% of its engineers are Claude Certified Architects. The senior-led team of around 15 works with clients in the UK, Germany, the US and Finland.

It builds AI-native and agentic software: AI agents and multi-agent systems, RAG and knowledge systems with evaluated answer accuracy, AI-powered internal tools for triage, routing, reporting and document processing, and the web and mobile interfaces around them. Data access is scoped to each user's identity by the underlying system, and outputs pass validation gates before they reach users. Lexis Solutions is ISO 9001:2015 certified and has 30+ verified client reviews on Clutch.

Best fit: UK SMEs and scaleups that want a small senior team to take an AI system from scoping to production. AI development at Lexis Solutions

2. STX Next

STX Next was founded in 2005 and is headquartered in Poznań, Poland, with more than 450 specialists. It has a London office and a dedicated UK country manager and head of UK delivery, and says it serves clients across Europe, including the UK and Ireland, and North America.

Its AI services include AI agent development, enterprise RAG, OCR and intelligent document processing, AI strategy consulting and responsible AI implementation, alongside its long-standing Python and data engineering work.

Best fit: UK companies that want a larger nearshore partner with a local UK team and strong Python and data skills. STX Next

3. N-iX

N-iX was founded in 2002 in Lviv, Ukraine, and is now headquartered in Malta, with more than 2,400 engineers. It lists offices in ten countries, including Ukraine, Poland, Bulgaria, Romania and the UK, where it has a London office.

Its AI offering covers AI agent development, generative AI, RAG, machine learning and computer vision, backed by data engineering, data warehouse and data governance services.

Best fit: larger programmes where AI depends on substantial data platform work. N-iX company overview

4. Netguru

Netguru is based in Poznań, Poland. Its AI services start with workshops and design sprints, then move to proofs of concept and MVPs, covering generative AI, RAG, agentic and multi-agent systems, custom models and MLOps. It maintains an open-source RAG chatbot framework, Chatguru.

Published AI clients include Merck KGaA, for which Netguru built an AI research assistant, and ARC Europe, for which it built a GPT-based claims agent. Its AI services page does not list a UK office.

Best fit: product companies that want design-led AI discovery and a fast MVP. Netguru AI development services

5. ELEKS

ELEKS was founded in 1991 and has about 2,000 professionals working from delivery centres in Eastern Europe, with sales offices in Europe, the US and the UK, including London. Its AI services include AI consulting, AI development and generative AI.

Best fit: enterprises that want AI work alongside a long-established engineering and consulting partner. ELEKS AI development services

6. Future Processing

Future Processing is headquartered in Gliwice, Poland, with a London office on Gracechurch Street, offices in Sweden, the US and Ukraine, and a sales contact for Germany. It offers AI and ML services and an AI Readiness Assessment that scores AI opportunities against business value, and it has built AI-supported products for insurance claims, energy and finance.

Best fit: insurers, utilities and financial services firms that want to prioritise AI opportunities before committing to a build. Future Processing contact and offices

7. Accedia

Accedia is a Bulgarian company with offices in Sofia and Boston and more than 250 employees. It describes its clients as based in the US, the UK and Europe and is a member of the London Chamber of Commerce and Industry. Its services include custom software and AI, including generative AI, AI agents, machine learning and MLOps.

Best fit: mid-market and enterprise buyers that want a larger Bulgarian partner. Accedia

How to choose a nearshore AI development partner

Ask each candidate the same questions:

Who will build the system? Ask to meet the engineers and confirm whether they are employees or subcontractors.
Where is our data processed? Ask for the data processing agreement, the list of sub-processors and which AI model providers and regions will be used.
What have you put into production? Ask for a system that real users rely on, and how its accuracy and reliability are measured.
How are permissions enforced? AI agents should only reach data the user is allowed to see, enforced by the system rather than by prompt instructions.
What are the shared working hours? Agree on meeting times and response times before the project starts.
What happens after launch? Clarify monitoring, support, handover and ownership of code and models.

Start with one measurable workflow

The most reliable way to test a nearshore AI partner is a short, scoped project around one workflow you can measure, such as triaging support tickets or extracting data from documents. It shows how the team works, how they handle your data and whether the result holds up with real users.

If you are a UK business planning an AI system that has to work in production, Lexis Solutions can help you scope a first workflow.