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 × Legal × Sort by: Top Rated ×Clear Filters
  • Pixelette Technologies - Leading the way in AI & Blockchain

    Pixelette Technologies builds custom software, AI, blockchain, and mobile apps for clients like Dodge, McDonald's, and moTV. Its full-cycle team covers Python, Java, and Go across healthcare and enterprise verticals. Best fit for startups and enterprises needing end-to-end software outsourcing...

    Top Services:

    • Software Development
    • Web Development
    • Web Design
    • Blockchain
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    43 Projects Listed
  • TRIARE

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    TRIARE unlocks IT potential of YOUR business

    TRIARE builds web and mobile apps for clients like MGM and Amazon, with a focus on transportation, education, and entertainment. Its team serves clients across the US, UK, and Germany. The software development firm is best for startups and SMBs needing a cost-effective offshore development partner...

    Top Services:

    • Mobile App Development
    • WordPress Website Design
    • Web Development
    • Software Development
    • Web Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Portfolios Count
    65 Projects Listed

    TRIARE Services

    • Mobile App Development
    • WordPress Website Design
    • Web Development
    • Software Development
    • Web Design
    • eCommerce Development
    • Software Testing
    • IoT
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Amo City
    • QuakeAlert
    • Meet & Right
    • Tripoli
    • Freistil-sofas
    • MindZip
    • Gov Radar
    Data sourced from the agency's DesignRush profile

    TRIARE Reviews & Testimonials

    • Julia Arhangelskaya
      Julia Arhangelskaya CEO at Parado
      5.0★

      Web Development Review from Julia Arhangelskaya

      Collaborating with TRIARE company for the design and development of our online store was an exceptionally positive experience. Their streamlined processes and efficient project management ensured that deadlines were consistently met, and the project progressed smoothly. Communication was excellent throughout, with their team readily available to address any questions or concerns. They not only revamped our website's design but also developed it with precision and creativity. Their attention to detail and proactive approach to problem-solving were evident at every stage of the project. I definitely can recommend TRIARE!

    • Jonathan Fruitman
      Jonathan Fruitman President at EventSource
      5.0★

      Mobile App Development Review from Jonathan Fruitman

      We thought that their proposed milestones were ambitious. I remember being pleasantly surprised after the first demo. Perhaps based on previous experience, my expectations were too low, but the team really did deliver on a consistent basis.

    • Torsten Caspar
      Torsten Caspar CEO at MindZip
      5.0★

      Mobile App Development Review from Torsten Caspar

      The app functions smoothly, with bugs or issues promptly addressed by TRIARE. With over 100,000 downloads, Apple has invited MindZip to participate in selected workshops. Overall, Triare met MindZip's expectations. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • SDTC Digital

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Future-Ready Product Engineering, Powered By AI

    SDTC Digital is a product engineering and AI company, led by Swarnendu De, a Technology & AI Leader, serial entrepreneur with 20 years of expertise. 600+ products delivered, running in 70+ countries, for companies including Google, Best Buy, SWVL and LIXIL...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Development
    • Cloud Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed

    SDTC Digital Services

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Development
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Google
    • Best Buy
    • Nuvoco
    • Silknet
    • VSP
    • LIXIL
    • SWVL
    • IMD
    • KwikKopy
    • Cordial
    Data sourced from the agency's DesignRush profile

    SDTC Digital Reviews & Testimonials

    • Michael Stanley
      Michael Stanley Partner at Garrido Stanley Digital SL
      5.0★

      AI Development Review from Michael Stanley

      Working with SDTC Digital has truly been a pleasure. The team is attentive, timely, and demonstrates great care in ensuring all expectations are met. Working with SDTC is like having a highly competent extension of your core team, as they handle your projects with the care of a stellar employee. I would recommend them to anyone looking for satisfaction in their area of need.

    • Nick Scholl
      Nick Scholl Founder/CEO at Surgical Liquidations
      5.0★

      Healthcare Review from Nick Scholl

      SDTC Digital built our website and did an outstanding job from start to finish. Anytime we needed something adjusted or added, they turned it around fast and got it exactly right, no back and forth or long delays. Their communication was great throughout the whole process. Since the site went live it's brought in real business for us, not just a page that looks nice and sits there doing nothing. If you're looking for a team that actually delivers and backs it up with results, I'd recommend SDTC Digital without hesitation.

    • Niclas Manson B.Kin, MPH, CRSP, CIH, ROH
      Niclas Manson B.Kin, MPH, CRSP, CIH, ROH Founder at Manson Methods Inc.
      5.0★

      Software Development Review from Niclas Manson B.Kin, MPH, CRSP, CIH, ROH

      SDTC has been developing custom software for Manson Methods Inc. They have delivered good products but still required robust testing and fixes due to bugs. SDTC staff are very good at taking informaiton and delivering the vision. There have been times where they delivered feature but did not match our vision. I believe this is a fault of our not being clear enough or providing details or pictures to help with the vision. I also find the delivery times were a littel slower in august and september vs June and July. Overall I am very satisfied and hoping the feedbacks cna be implemented.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Web Design + Digital Marketing Agency | 20+ Years Experience

    Top Notch Dezigns® is a full-service web design and digital marketing agency that specializes in custom websites tailored to meet diverse business requirements. With a focus on boosting brands, increasing conversions, and generating leads...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Digital Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Portfolios Count
    12 Projects Listed
  • Full-cycle software development company

    We are an international software development company that creates solutions for 4 distinct areas of cloud automation and has subsidiaries or sales partners in 12 different European nations...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • Blockchain
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
  • thoughtbot is your expert partner for product design and development.

    20+ years over 1,000 clients! thoughtbot is a design and development company that helps clients lead the way through better products, faster teams, and stronger growth...

    Top Services:

    • Software Development
    • Web Development
    • Product Design
    • Web Design
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • TECHNOLOGY PARTNER FOR INNOVATIVE COMPANIES

    While modern technologies change our world, we help companies with innovative technologies. From E-Commerce to Fintech, from Machine Learning Development to Blockchain - we’ve got the necessary expertise to help you deliver your product on time and within the budget...

    Top Services:

    • Software Development
    • IT Services
    • IoT
    • eCommerce Development
    • Cybersecurity
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • London Wordpress Agency | Web Design London

    Lonlogic is a London WordPress Agency, England, specializing in propelling B2B business growth. The company offers London web design and web development solutions to support Marketing, Sales and Service functions, focuses on enterprise class web design and WordPress development and HubSpot CMS...

    Top Services:

    • WordPress Website Design
    • Web Design
    • eCommerce Development
    • Software Development
    • Digital Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • .NET, AI and Web Software Development

    Leobit is a full-cycle .NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK.Tech focus: .NET, Angular, iOS, Android, Ruby, React, PHP, and a range of technologies from Microsoft, Web, and Mobile Stacks...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • UI/UX Design
    • IT Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    26 Projects Listed
  • Design, development, deployment, and beyond

    NCrypted Technologies is a software development company that specializes in HR tech. Its offers top-notch custom software solutions, both online and offline, to a wide range of businesses. This includes startups, SMBs, and large Fortune Global 1000 enterprises. Its reach spans across the globe in over 100...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • UI/UX Design
    • WordPress Website Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Leading Branding & MVP Studio for Startups in London

    Rattlesnake Group is a London-based boutique studio helping startups design, build, and launch MVPs through integrated branding, product design, and software development...

    Top Services:

    • Web Development
    • Web Design
    • Branding
    • Product Design
    • Digital Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • You Outsource, We Manage & Deliver

    Your trusted IT training and IT partner for 19 years, BetterWorld Technology gives you a competitive advantage in the ever-evolving digital world.Dedicated to your long-term success, our cloud solutions, managed services, SaaS, cybersecurity and virtual CIO are customized to meet your needs...

    Top Services:

    • Staff Augmentation
    • IT Services
    • Managed Services
    • Cybersecurity
    • HR Outsourcing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
  • Next level digital product design and development studio in London.

    Inktrap is a next level digital product design and development agency in London. We work with companies to create amazing digital products that users love. Our team of designers, developers and strategists are passionate about building easy-to-use products that solve real problems for real people...

    Top Services:

    • Product Design
    • UI/UX Design
    • Design Services
    • Software Development
    • Web Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Web&Mobile Apps

    At InternetStars Agency, we specialize in leveraging cutting-edge technology to provide businesses with complete mobile app solutions. From eCommerce platforms to marketing strategies and everything in between, we can be your definitive guide on the path towards truly revolutionary innovation...

    Top Services:

    • UI/UX Design
    • Mobile App Development
    • Cloud Consulting
    • DevOps Consulting
    • eCommerce Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $59/hr
    Minimal Budget
    $1,000 - $10,000
  • Designing Your Digital Success

    Zieasoft delivers innovative and tailor-made digital solutions, empowering businesses to thrive in an ever-evolving online landscape...

    Top Services:

    • Logo Design
    • Design Services
    • Graphic Design
    • Branding
    • Print Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
  • Designing the Future, Excelling Today.

    CalypsoTech is a dynamic digital agency renowned for its specialization in developing cutting-edge web and mobile applications, custom software solutions, and proficiently managing social media presence. Through the synergy of creativity and technology, we empower businesses to flourish within the digital...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • Mobile App Development
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $25,000 - $50,000
  • Business automation and AI for UK construction and law firms

    Severus is a UK business automation and operations partner for construction companies and law firms. We connect the systems you already use and add AI where it saves real hours. Offices in London and Tallinn...

    Top Services:

    • Business Consulting
    • IT Services
    • AI Development
    • Software Development
    • ERP Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed

Why companies trust DesignRush

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
130,200+
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
17

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.