Leaf through the premier custom software development companies in London that customize, maintain and/or build high-quality solutions, mobile applications and more. Filter listings by reviews, pricing, team size to find the ideal team for your project requirements and budget.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United Kingdom × London × Media & Communications × $25,000 - $50,000 ×Clear Filters
  • Unlock Tomorrow

    GET OUR EXPERT CONSULTING AND SOFTWARE ENGINEERING SERVICES...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Cloud Consulting
    • AI Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    25 Projects Listed
  • UK's #1 Mobile App Development Company

    Stakk is the UK's #1 rated mobile app development company. Based in London with over 10 years of experience and a 100% senior in-house team. Specialists in iOS, Android, React Native and Flutter. 120+ apps delivered for startups and global enterprises, including Samsung, LNER and the British Museum...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • UI/UX Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • Transform your business ambitions into measurable outcomes

    Tech strategy advisor & delivery partner with 25+ years of experience. We deliver measurable results through a unique, AI-enabled advisory & delivery framework combining technological heritage with AI-driven optimisation to scale faster, with full governance and compliance...

    Top Services:

    • Software Development
    • Cloud Consulting
    • DevOps Consulting
    • Big Data Analytics
    • IT Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    20 Projects Listed
  • Ask us how to turn your R&D into ROI.

    Infinity Technologies brings together AI experts, scientists, software engineers and machine learning specialists to help enterprises become AI-agentic companies. We build AI agents and AI-native software, from LLM and RAG features to predictive intelligence, that automate everyday decisions...

    Top Services:

    • VR/AR
    • UI/UX Design
    • Mobile App Development
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $39/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Forward Deployed AI Engineering

    Algosoup is a London-based software development company that provides AI-native, forward-deployed engineering services by embedding software engineers into client teams. It supports startups, scaleups, enterprises, and agencies with rapid MVP development, product engineering, AI integration, legacy...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Software Testing
    • eCommerce Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
  • Innovative Technology. Passionate People.

    Applifting is an international software company of over 200 self-managed professionals that specializes in FinTech and MedTech innovation. Our teal principles prioritize freedom, transparency, and ethics, driving our commitment to your success. We offer end-to-end software solutions, technical innovation...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • UI/UX Design
    • Branding
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $25,000 - $50,000
  • Your Bespoke Key to the Blockchain.

    Blockproof is a premier blockchain development and consulting agency dedicated to navigating complex business challenges. The firm provides tailored solutions for investment, service integration, and new project development, ensuring clients stay ahead in the evolving blockchain ecosystem. Blockproof's...

    Top Services:

    • Blockchain
    • Software Development
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
  • Your AI-Powered Technology Partner

    MAD is a mobile app development company based in the UK. We provide comprehensive application development services incorporating iOS, Android, Cross-Platform and Progressive Web Apps. With expertise in all prominent technologies like Swift, Kotlin, React Native, and Flutter, we are the forerunners in this...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000

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Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,859+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
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