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 × Industrial × Sort by: Organic Rankings ×Clear Filters
  • Custom software, AI automation, and hard-to-find engineers. Since 2015.

    Powercode Group builds custom software and AI solutions for Global startups and Fortune 500s. We deliver end-to-end products and supply pre-vetted engineers specializing in AI automation, ML, data, and DevOps. GDPR-compliant with hubs in the UK, DE, and PL...

    Top Services:

    • Staff Augmentation
    • AI Development
    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
  • Custom CRM And Business Systems

    UK software consultancy (formerly Smashed Crab Software) building custom CRM, quoting, operations and customer portal systems for established organisations that have outgrown spreadsheets or off-the-shelf tools. In-house analysts, developers and QA in Hull, Sheffield and London, with practical AI built in...

    Top Services:

    • Software Development
    • CRM Consulting
    • AI Development
    • ERP Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
  • 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
  • Custom AI Solutions That Survive Production

    Lurto is an AI automation agency for US and UK businesses. We build custom AI systems and keep them running after launch: AI agents for intake and follow-up, document generation for regulated paperwork, AI voice receptionists, and integrations that connect AI to your CRM and ERP. Every engagement starts with...

    Top Services:

    • AI Development
    • Software Development
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
  • Custom Operations Systems For Growing Businesses

    OpsMavix builds custom operations systems that help growing businesses replace spreadsheets, manual work, and disconnected tools with one clear source of truth. We focus on inventory, workflows, reporting, automation, and internal business apps that give teams more control and less chaos...

    Top Services:

    • eCommerce Development
    • Software Development
    • ERP Consulting
    • CRM Consulting
    • ECM Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
  • Yalantis

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Full-cycle tech partner with deep expertise in IoT

    We deliver cutting-edge, scalable, and fully functional IoT hardware and software products and ecosystems that help clients achieve their specific objectives...

    Top Services:

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed

    Yalantis Services

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • IT Services
    • Cybersecurity
    • Staff Augmentation
    • Cloud Consulting
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • RAKwireless
    • Toyota Tsusho
    • KPMG
    • Healthfully
    • Orbis Systems
    • Lifeworks
    • Scholz Databank
    • 123 Sourcing
    • Truhoo
    Data sourced from the agency's DesignRush profile

    Yalantis Reviews & Testimonials

    • Sergei Lishchenko
      Sergei Lishchenko Director of Digital Experience and Innovation at Orbis System
      5.0★

      Fintech Review from Sergei Lishchenko

      The exception team the client collaborated with brought in fresh ideas and innovative technologies previously unfamiliar to the client. For example, with Yalantis' guidance, the client's developers explore the Go language. The primary reason the client chose Yalantis is its strong organizational and project management skills. It's not just about the developers; Yalantis provides a comprehensive support framework, ensuring that a project manager is consistently present. (Verified via email)

    • Jason Jung
      Jason Jung Senior engineering manager at Zillow
      5.0★

      Software Development Review from Jason Jung

      Yalantis functions as an integral scrum team, supporting the development teams of a real estate firm. It created renovation project management tools that encompass a web app, a mobile app, and a backend system. Thanks to Yalantis, the client expanded development capabilities and achieved key short-term goals. Its quick integration was pivotal in launching various projects. Beyond delivering top-notch work, Yalantis emphasizes a culture that prioritizes the customer's needs. (Verified via email)

    • Roy D
      Roy D Partner at RAKwireless
      5.0★

      Outsourcing Review from Roy D

      An IoT manufacturer teamed up with Yalantis to craft an application, enabling users to manage their devices more efficiently. Utilizing Node.js and basing the architecture on Circulus, Yalantis delivered commendable outcomes. It is responsive to any development challenges, offering swift resolutions. The client appreciates Yalantis' proactive stance, impressive technical expertise, and practical solution suggestions. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI automation for manufacturing · Custom software development · EU engineering teams

    Snotor is an EU software development company headquartered in Riga, Latvia, with an office in London. We help manufacturers automate complex processes with AI, deliver end-to-end custom software, and provide nearshore engineering teams to companies across Europe, the UK and the US...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Web Development
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    45 Projects Listed

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