Scan the leading custom software development companies in the UK that build bespoke solutions and offer specialized software services for various verticals. Compare their portfolios, reviews, expertise, budget, team size and more to find the right team for your next project.

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 × Nonprofit × $10,000 - $25,000 ×Clear Filters
  • Hire World-Class Developers.

    Outsource Your Software Development Services to DreamzTech, the 10 Yrs.+ Exp. Award-Winning Software Design & Development Company based in USA, UK, India & South Africa. Hire World-Class Offshore Developers at $20/HR trusted by Startups, SMBs to Fortune 500 Brands. Get a 15 Days Free Trial!...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • Blockchain
    • AI Development
    • Show more
    Location
    Watford, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Fintech Software Development Services

    DeepInspire is a boutique software development company with a focus on fintech software development, offering services such as IT consulting, technical due diligence, digital transformation, product development, MVP development, and more...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • AI Development
    • UI/UX Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    15 Projects Listed
  • Developing the Future - Propelling Business Growth with Technology

    Vizion Systems specialises in developing Quality cloud based software applications for businesses using the very latest Cloud technologies. Applications are typically compatible with any device; PC, Laptop, Tablet or Mobile and operating system/browser. Moreover, Vizions advanced Account Management and...

    Top Services:

    • Software Development
    • UI/UX Design
    • Mobile App Development
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Custom Web And Mobile Application Development Company, SAAS app development company

    Kanhasoft have successfully delivered various custom solutions to our clients from dynamic SAAS app development to custom made CRM and ERP solutions, Web scraping along with data analysis and reporting, Marketplace apps, Many custom workflow application for various industries...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • CRM Consulting
    • Staff Augmentation
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    19 Projects Listed
  • Purpose built software. Partner led process. Business changing results.

    CCQ Tech is a UK-based technology consultancy specialising in bespoke software development for organisations with complex operational challenges. For over 20 years, we've partnered with financial institutions, engineering firms and infrastructure organisations to design and build custom software platforms...

    Top Services:

    • Software Development
    • Web Development
    • Staff Augmentation
    • AI Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 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
    Kingston upon Hull, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
  • Creativity Unleashed | AI-powered Digital Transformation Partner

    We can bring your idea to life, whether it is design or development you can trust us with your product. We specialize in designing and building app, websites, and SaaS applications. We can take care of everything from scratch all you need is an idea to get started with us...

    Top Services:

    • UI/UX Design
    • Web Development
    • Software Development
    • Mobile App Development
    • WordPress Website Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Don't stand still. Your competitors won't.

    At Cogworks we believe in democratising the web by making powerful digital solutions accessible to all types of buiness. We specialise in bespoke, user-centric websites and applications using the Umbraco CMS, ensuring they are secure, scalable and sustainable. Our mission is to empower businesses with...

    Top Services:

    • Web Design
    • Web Development
    • Digital Strategy
    • UI/UX Design
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Your next strategic partner.

    Founded in 1998, 3ev is a digital agency based in London and Brighton that builds high-performing products shaped by intelligence and clarity. We act as an embedded extension of your team, connecting product, marketing, and technology to turn complex ideas into scalable systems.Specialising in platforms...

    Top Services:

    • Web Development
    • Web Design
    • Digital Services
    • Digital Strategy
    • SEO
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • Intentional Experiences

    We provide expert UX consulting with 18+ years proven success. Our multi-disciplinary team delivers product strategy, user research, UX design, training and experience testing. We have offices in Toronto, Ottawa, Canada, New York USA and Cambridge, London, UK...

    Top Services:

    • UI/UX Design
    • Digital Services
    • Product Design
    • Staff Augmentation
    • Market Research
    • Show more
    Location
    Cambridge, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • Empowering Ideas. We Design, Develop & Deliver!!!

    Nickelfox is a leading design and development studio that specializes in creating customized, scalable mobile app, UI/UX design, staff augmentation and software solutions for startups and Fortune 500 companies...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • IT Services
    • Web Design
    • Staff Augmentation
    • Show more
    Location
    Hemel Hempstead, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

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Agencies vetted
129,387+
2

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

Applicants rejected
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Agencies verified
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Frequently Asked Questions

What are the core specializations of custom software development companies in the United Kingdom?

The core specializations of custom software development companies in the United Kingdom generally center around web/mobile app development and advanced digital technologies. Their expertise extends to AI-powered products, cloud solutions (especially DevOps), feature enrichment, and cybersecurity.  

Overall, they provide end-to-end digital transformation solutions and engineer custom platforms and systems that drive competitive advantage and business growth across industries. 

How much do software development services cost in the UK?

The cost for software development services in the UK ranges from £25,000 to £120,000 for small businesses. In contrast, large enterprises undertaking extensive digital transformation or building sophisticated, bespoke systems should anticipate costs starting at £80,000 and potentially exceeding £500,000. 

For startups or businesses aiming to validate a concept, the initial cost is considerably lower. A minimum viable product (MVP) or a proof-of-concept generally falls within the £5,000 to £30,000 range. The final price is ultimately determined by the project's complexity, the chosen technology stack, the developers’ experience, and the geographical location of the service provider, which impacts their hourly or daily rates. 

How do I choose the right United Kingdom software development firm?

To choose the right United Kingdom software development firm, begin by evaluating its portfolio and case studies to make sure they have experience in your required technology stack and niche. Inquire about its process and team structure, to make sure they follow an iterative methodology and that the core development team will be dedicated and accessible for regular communication.  

Finally, prioritize a company with good reviews that reflect a track record of robust post-launch support and good collaboration throughout the project. 

Do software development companies provide ongoing support?

Yes, software development companies do provide ongoing support, maintenance, and updates after the product launch. This post-launch service is important for fixing bugs, maintaining security, adapting to changing user needs, and making sure the software remains stable and competitive. 

How do custom software development companies in the United Kingdom handle project revisions?

Custom software development companies in the United Kingdom predominantly handle project revisions through the Agile methodology. This involves breaking the project into short, iterative sprints, allowing the client to provide feedback and request necessary revisions at the end of each cycle.  

This flow is intended to minimize risk and keep the final product aligned with the envisioned concept, rather than waiting until the end for a major change.