Top AI Code Development Companies & Best AI Code Developers in UK

Streamline your development process with AI-generated code. Partner with skilled AI Code development companies to enhance software efficiency. SelectedFirms lists the Best AI Code Developers in the UK. Find experienced professionals for AI-powered development today.
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4.9 out of 5, based on 28 real reviews.
Rankings updated: Mar 27, 2026

List of Top AI Code Development Companies in UK | Best AI Code Developers

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

7 Companies

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Seasia Infotech
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Claimed by Official Representatives

51

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

51

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 15% AI Development

  • 20% Mobile App Development

  • 20% Software Development

  • 10% Web Design

  • 8% Web Development

  • 5% Ecommerce Development

  • 5% Blockchain Development

  • 5% Internet of Things

  • 5% Business Services

  • 5% Cloud Computing Services

  • 2% IT Services

Enterprise AI Solutions

Seasia Infotech, a CMMI Level 5 certified software development company, has been delivering innovative solutions for over two decades with the Seasia Agile Model (SAM). Our proprietary SAM, combined with our commitment to leveraging cutting-edge tools and technologies, sets us apart in the market, ensuring we deliver unparalleled value and quality in our software solutions. Here are more reasons to choose Seasia Infotech as your trusted software development partner: Future-Ready Solutions: Our forward-thinking strategies equip your business for future challenges. Data Security Priority: We prioritize rigorous data protection measures to safeguard your sensitive information. Global Talent Pool: Our diverse team of experts from around the world brings a wealth of perspectives and skills. Continuous Learning Culture: We are committed to ongoing education and skill enhancement, ensuring our team remains at the forefront of technology trends, delivering the best to you. Sustainable Practices: We emphasize eco-friendly and sustainable software development methodologies. Beyond software development, our services include: Custom Software Development Mobile App Development (iOS, Android, Cross-Platform) AI & Machine Learning Solutions Web Development (Frontend & Backend) Enterprise Solutions (ERP, CRM, CMS) Cloud Computing & DevOps Blockchain Solutions E-commerce Development IoT Development AR/VR Solutions Cybersecurity & Enterprise Security Data Analytics & Big Data UI/UX Design Quality Engineering & AI-Powered Testing Low-Code/No-Code Development Agentic AI Digital Transformation & Smart Automation Generative AI (Chatbots, Image & Text Generation) DataOps & Governance BPM Automation Document Intelligence With a proven track record working with industry leaders like Harley Davidson, Mahindra, Adani, Flipkart, BD, Assurant, Dr. First, Sumeru, and Massachusetts Medical Society, we consistently deliver solutions that exceed industry standards.

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Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

500 - 999

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

E-Commerce Engine for Web Dev Firm

Reviewed by: William Akuoko, CEO at ADEHYEE INFOTECH LTD View all 3 ReviewsView all Reviews
Debut Infotech Global Services LLC
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agency_climbed
Claimed by Official Representatives

47

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

47

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 20% AI Development

  • 20% Blockchain Development

  • 15% Mobile App Development

  • 15% Software Development

  • 10% Web Development

  • 10% IT Services

  • 10% Business Services

Redefining Software Design and Development with AI

Debut Infotech is an AI-augmented blockchain and software development company helping organizations across financial services, healthcare, supply chain, and digital platforms build systems that perform reliably in complex, regulated environments. Founded in 2011 and blockchain-native since 2015, the company brings engineering discipline and technology depth to enterprises moving from fragmented pilots to production-grade systems. With delivery centers across the USA, UK, Canada, and India, Debut Infotech combines regional market understanding with globally distributed engineering capability — enabling clients to move with speed, consistency, and governance. Service Areas Enterprise AI and generative AI — LLM integration, AI agents, RAG pipelines, and intelligent process automation Blockchain and Web3 — smart contracts, DeFi protocols, RWA tokenization, exchange infrastructure, and enterprise blockchain on Hyperledger Fabric and Corda Mobile — native iOS, Android, and cross-platform applications built for enterprise security and scale Web and software — full-stack platforms, SaaS products, and API-first enterprise systems Proven Delivery: $62M+ raised across client platforms including Ifinca, IntegraLedger, Everledger, and T?M 90% customer success score across enterprise engagements 15 years of enterprise software delivery Fortune 500 clients and high-growth startups across 25+ industry verticals 50–249 engineers spanning AI, blockchain, and software disciplines

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Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000 - $24,998

Min. Budget Size
Inside Service Listing

50 - 100

Team size
Inside Service Listing

Oxford, UK

Location
Verified Client Review

Verified Client Review

Head of Human Resources - Project EnergyConnect

Reviewed by: Rachel Solomon, Head of Human Resources View all 16 ReviewsView all Reviews

44

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

44

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 30% AI Development

  • 30% Mobile App Development

  • 20% Software Development

  • 10% Digital Transformation

  • 10% Product Engineering services

Create - Inspire - Deliver

At Kodexo Labs, we turn bold ideas into intelligent digital products. As a top-tier AI software development company, we help startups and enterprises solve real problems with smart, scalable, and future-ready solutions. From generative AI and machine learning to mobile and web app development, we build what matters—fast. With 79+ successful projects and 13 currently active, our track record speaks for itself. We're trusted across 17 global locations and have scaled products like Teacher AI to over 69,000 paid users. That’s not just growth—it’s proof our work performs in the real world. We specialize in AI-driven software development across industries like healthcare, e-commerce, education, automotive, real estate, energy, and more. Whether you're launching an MVP or modernizing a legacy platform, we design with users in mind and engineer for business impact. Our process is simple and effective: discover, design, develop, launch, and scale. You get a dedicated team, real results, and zero fluff. If you're serious about building smarter, faster, and more secure digital products—Kodexo Labs is your partner, not just a provider. Let’s build the future, together.

See all 11+ Portfolios
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

Web & AI Development for Healthcare Consulting Company

Reviewed by: Christopher Brigham MD, President at Brigham and Associates, Inc. View all 4 ReviewsView all Reviews
Stakk
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agency_climbed
Claimed by Official Representatives

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

40

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 30% AI Development

  • 70% Mobile App Development

UK's #1 Mobile App Development Company

Stakk is the UK's #1 mobile app development company, rated #1 on SelectedFirms and based in London with over 10 years of experience building custom iOS apps, Android apps, and cross-platform mobile applications for startups and global enterprises. We are a leading mobile app development agency specialising in React Native, Flutter, native iOS and Android development, and AI-powered mobile solutions. Our 100% in-house senior team has delivered 120+ mobile applications across marketplaces, fintech, healthcare, e-commerce, education, and enterprise sectors, with clients including Samsung, Nivoda, Safestyle, LNER, and the British Museum. Our mobile app development services cover everything: UX design, native iOS and Android development, cross-platform development, backend engineering, API integration, QA testing, and full App Store and Google Play marketplace submission. Whatever stage you are at, we have done it before. What sets Stakk apart is the quality and consistency of our delivery. We are AI-augmented, senior-led, and deeply collaborative. Our developers work directly with your team from day one, and we treat every project as if it were our own product. Why businesses across the UK choose Stakk: Rated #1 mobile app developer in the UK on SelectedFirms 100% in-house senior team, no outsourcing, no juniors AI-augmented delivery, faster timelines, same quality Direct access to developers from day one Custom mobile app development tailored to your goals Looking for a mobile app development company in the UK? Tell us about your project and we will respond within one business day. hello@stakk.co.uk | +44 20 3314 4040 | stakk.co.uk | 37 Lombard Street, 6th Floor, London, EC3V 9BQ

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Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$25,000 - $60,000

Min. Budget Size
Inside Service Listing

18 - 20

Team size
Inside Service Listing

London, UK

Location
Verified Client Review

Verified Client Review

AR/VR App Design & Dev for Apple Vision Pro App Provider

Reviewed by: Naomi Bennett, Head of Design at Yappar View all 5 ReviewsView all Reviews
ZAPTA Technologies
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agency_climbed
Claimed by Official Representatives

34

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

34

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 30% AI Development

  • 30% Software Development

  • 15% Web Development

  • 15% Web Design

  • 10% Mobile App Development

Custom Software Development

ZAPTA Technologies is an AI driven software design and development company that partners with startups, enterprises, and funded ventures to deliver tailored digital solutions. We turn your ideas into scalable products, whether it’s building MVPs, enterprise-grade platforms, or assembling dedicated teams. We combine top talent of 500+ engineers, and collaborated with Fortune 500s including Meta, Walmart, Disney, Cisco and Nissan. Our expertise spans AI Transformation and Enablement, Custom Software Development, Web & Mobile App Development, UX/UI Design, Cloud Engineering, Dedicated Teams, and Software Consultation. We delivered 250+ projects with emerging technologies that are driving growth, efficiency, and long-term value for our partners.

View ZAPTA Technologies Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000 - $10,000

Min. Budget Size
Inside Service Listing

50 - 100

Team size
Inside Service Listing

Manchester, UK

Location
Toru Digital
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agency_climbed
Claimed by Official Representatives

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 11% AI Development

  • 12% Digital Transformation

  • 11% Ecommerce Development

  • 11% Mobile App Development

  • 11% Software Development

  • 11% Web Development

  • 11% Web Design

  • 11% Digital Marketing

  • 11% CMS

Digital Design & Software Development

We are passionate about creating innovative digital solutions that drive success and push boundaries, enabling our clients to achieve their business goals.

View Toru Digital Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Wellingborough, UK

Location
KodekX
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agency_climbed
Claimed by Official Representatives

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

27

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% AI Development

  • 20% Mobile App Development

  • 20% Software Development

  • 20% Web Development

  • 20% Web Design

  • 10% IT Services

Launch Better Software, Faster

KodekX is a software development company focused on delivering high-quality, scalable, and secure digital solutions for businesses of all sizes. We specialize in custom software, mobile app development (iOS & Android), SaaS platforms, and cloud-native applications. By leveraging modern technologies like React, Node.js, Flutter, and AWS, we help clients build innovative products with faster time-to-market. Whether you're a startup launching an MVP or an enterprise modernizing legacy systems, KodekX provides end-to-end development services—from strategy and design to deployment and support. Our agile methodology ensures adaptability, efficiency, and transparency at every stage of the project. We partner with our clients to solve complex problems, enhance user experiences, and create long-term value through reliable and future-ready software solutions.

View KodekX Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$0+

Min. Budget Size
Inside Service Listing

10 - 25

Team size
Inside Service Listing

Bournemouth, UK

Location
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