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 × Government × $1,000 - $10,000 ×Clear Filters
  • SoloWay - your sustainable digital transformation companion!

    We build custom software solutions that drive business growth, scale operations, and transform ideas into powerful digital products. Our main mission is to be a catalyst for successful transformation...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • eCommerce Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    37 Projects Listed
  • Web and Mobile Apps Development Company

    Mindrops is an AI-driven digital technology company delivering future-ready solutions. We build intelligent websites, smart eCommerce platforms, mobile apps, and custom software-scalable, secure, and user-friendly. Our AI expertise drives automation and business growth...

    Top Services:

    • Web Development
    • IT Services
    • AI Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
  • Transforming Businesses Through Digitally

    MMC Global is a software and mobile app development company headquartered in Austin, Texas, with offices in Dubai, Riyadh, and London. We build scalable enterprise and startup solutions, including AI, cybersecurity, blockchain, IoT, and web development...

    Top Services:

    • Software Development
    • AI Development
    • Blockchain
    • Wearables
    • IoT
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Over 10+ Years Experience In eCommerce.

    Worthing, West Sussex-based Glenndilen Digital is a high-quality, reputable, and local web designer and developer. We are dedicated to providing the utmost quality website design, development, and maintenance services to our customers. We utilize cutting-edge web technologies to build aesthetically pleasing...

    Top Services:

    • eCommerce Development
    • Web Design
    • Software Development
    • AI Development
    • Graphic Design
    • Show more
    Location
    Worthing, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
  • Your CRM Success Partners

    A leading Salesforce Consulting Company with more than 2000+ projects delivered and a Salesforce Crest & MSP partner, HIC Global Solutions specializes in end-to-end Salesforce consulting and cloud-based custom solutions for growing businesses...

    Top Services:

    • CRM Consulting
    • Software Development
    • Cloud Consulting
    • Staff Augmentation
    • IT Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 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
  • Custom Software Development, Design & Consulting

    For startups, we produce specialized software, and our aim is to use technology to help our clients succeed...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • UI/UX Design
    • IT Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Custom AI and automation for growing UK businesses

    York-based AI development consultancy for UK businesses of 10 to 200 people. We find the manual work between the systems you already use and build custom automations and AI agents that remove it. Fixed-price Automation Audit first; first system typically live within a month...

    Top Services:

    • AI Development
    • BPO
    • Software Development
    • Big Data Analytics
    • IT Services
    • Show more
    Location
    York, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Trusted Technology Partner

    At IDS Logic UK, were your strategic technology partner blending cutting-edge web, mobile and AI solutions with unwavering support to empower growth across industries. From e-commerce and LMS platforms to full-custom applications, our agile team delivers technology you can trust on time, on budget, and built...

    Top Services:

    • eCommerce Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Software Development
    • Show more
    Location
    Leeds, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Diving Into Technology

    Riseup Labs is a global AI-first technology company delivering software, BPO, and CX solutions that help enterprises innovate faster, scale smarter, and grow sustainably. From Bangladesh to the world, we design and build reliable solutions and agentic workflows that drive real outcomes...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Staff Augmentation
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Top AI & Mobile App Development Company in Dubai

    Code Brew Labs is a leading AI and mobile app company in Dubai. Our highly trained developers make the best out of your ideas to build a brand of great heights...

    Top Services:

    • AI Development
    • Web Design
    • Web Development
    • 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
    5 Projects Listed
  • Custom software and AI automation, fixed price, Cardiff

    Cardiff software and AI automation agency. Custom websites from £1,999, bespoke platforms from £14,950, AI receptionists and workflow automation for UK firms...

    Top Services:

    • Software Development
    • Web Development
    • AI Development
    • Web Design
    • Show more
    Location
    Cardiff, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Ideas With Craftsmanship

    Wistkey Technologies Group is a London-headquartered IT staff augmentation and software delivery firm, founded in 2016, with 127 engineers across hubs in the UK, Hong Kong, Shenzhen and Manila. We add backend, frontend, mobile, QA, DevOps, data and AI engineers to your team on demand — as fast as 48 hours...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Development
    • Web Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000
  • Digital Teams that Deliver

    Offshorly is a UK-managed digital agency delivering dedicated software, web, and design teams from the Philippines. For over a decade we have shipped 150+ projects with AI-enabled delivery, full transparency, and a 91% client retention rate. Outsourcing you can trust...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Web Design
    • Mobile App Development
    • Web Development
    • Show more
    Location
    Stamford, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • HelloHorizon is a Norwich based software company that builds high-performance websites, software, and automations for SMEs. We pride ourselves on making data-backed decisions when building, which leads to better performance and impact on business. We also partner with our clients long-term to ensure that...

    Top Services:

    • Web Design
    • Web Development
    • Software Development
    • AI Development
    • SEO
    • Show more
    Location
    Norwich, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Impress with Innovation Website Design.

    We believe that the key to fostering a comfortable relationship among individuals, brands, and society is "culture," which encompasses a diverse array of values. By thoroughly analyzing culture, we aim to forge strong connections between brands and their users...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Great Products Aren't Just Made, They're Evolved

    We're a full service digital product team, specialising in the design of complex web applications for the construction, life sciences, manufacturing and fintech industries. We focus on usability and have honed processes that enable rapid, low waste, iterative designs...

    Top Services:

    • UI/UX Design
    • Product Design
    • Design Services
    • Web Design
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $110/hr
    Minimal Budget
    $1,000 - $10,000
  • Intuisco

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Our Solutions Help You Maximize Customer Value

    Intuisco LTD, based in London, UK, was founded in 2017. Twenty years of know-how flows into it as an endowment brought by the founding partner and R&D manager...

    Top Services:

    • AI Development
    • Big Data Analytics
    • DevOps Consulting
    • Managed Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000

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

Applicants rejected
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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.