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 × Sports × $10,000 - $25,000 ×Clear Filters
  • SCALO

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Software Development / AI & Technology Consulting / Dedicated Developers

    Scalo builds custom web, mobile, and embedded software using .NET, Java, and React, for clients like BNP Paribas, ING, and Santander. Its ISO 27001-certified team covers fintech, banking, and renewable energy. The custom software development agency is best for enterprises needing a nearshore partner...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Software Testing
    • IT Services
    • UI/UX Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed

    SCALO Services

    • Software Development
    • Staff Augmentation
    • Software Testing
    • IT Services
    • UI/UX Design
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • Managed Services
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Asseco
    • ING
    • Change Donations
    • BNP Paribas
    • Onet
    • Santander
    • Volvo
    • Crif
    • Bitpanda
    • Vodeno
    Data sourced from the agency's DesignRush profile

    SCALO Reviews & Testimonials

    • Artur Bukowski
      Artur Bukowski IT Director at CRIF
      5.0★

      Software Development Review from Artur Bukowski

      The collaboration with Scalo is quite valuable to us. They enhance our development capabilities. Most of the people from Scalo have been working with us for a long time, which indicates that we’re satisfied with the collaboration.

    • Katarzyna Wieczorek
      Katarzyna Wieczorek Recruitment Manager at HRS
      5.0★

      Staff Augmentation Review from Katarzyna Wieczorek

      We know that Scalo is a good partner for companies which want to scale up their software development teams fast. They got great understanding of business needs, deliver experienced specialists, and know-how to build IT team in no time.

    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
  • We Build Solutions.

    We help early stage startups, and small businesses develop digital solutions. We specialise in building bespoke SaaS solutions, workflow integrations, custom internal tools or spinoff products...

    Top Services:

    • Web Development
    • Web Design
    • UI/UX Design
    • Software Development
    • Digital Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • Building Next-Gen Smart Tech Solutions

    AI-First Development for Web, Mobile & AI Solutions | Reduce Cost, Time & Engineering Effort by Up to 80%...

    Top Services:

    • AI Development
    • Mobile App Development
    • IT Services
    • Staff Augmentation
    • Software Development
    • Show more
    Location
    Huddersfield, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    18 Projects Listed
  • Drive innovation through custom software

    We design and create custom web-based applications for companies looking to grow, become more efficient and serve their customers better...

    Top Services:

    • Software Development
    • AI Development
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Aberdeen, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • We Help Bring Your Idea To Life

    For 18 years, we've built the software behind banks, governments, and household retail brands. We developed the UKs first mobile banking app and went on to build the earliest m-commerce apps on the UK App Store for brands including GAME, Gamestation, Waterstones, HMV and Next...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Web Development
    • Business Consulting
    • Show more
    Location
    Birmingham, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Fast. Scalable. Secure.

    Bring your software product and data to life - fast. Built in the UK by senior engineers and product specialists, our MVPs and platforms are designed with data and security at their core and ready to scale from day one...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • UI/UX Design
    • Big Data Analytics
    • Show more
    Location
    Southampton, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $765/hr
    Minimal Budget
    $10,000 - $25,000
  • Proven Experience. Future-Ready IT

    For over 35 years, Transputec has empowered global organisations through elite ICT solutions. We combine decades of credibility with an agile approach to IT systems and support. We are dedicated to creating tangible value by transforming complex tech challenges into convenient, user-centric services...

    Top Services:

    • Managed Services
    • Cybersecurity
    • Cloud Consulting
    • IT Services
    • DevOps Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Software Development Company in UK.

    TulipTech is a leading technology solutions provider specializing in digital transformation, custom software development, cloud services, and IT consulting. We help businesses streamline operations, enhance cybersecurity, and accelerate growth with innovative, scalable tech solutions. With a client-first...

    Top Services:

    • Cybersecurity
    • Web Design
    • Mobile App Development
    • Software Development
    • AI Development
    • Show more
    Location
    Leicester, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Automating, and Accelerating Growth With AI Excellence

    Folio3 AI specializes in AI and computer vision software development, offering tailored solutions to drive innovation and efficiency for businesses worldwide...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Show more
    Location
    Woking, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Top 1% Tech Talent with 1500+ In-house Developers

    We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...

    Top Services:

    • Mobile App Development
    • Software Development
    • DevOps Consulting
    • IT Services
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000

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
129,262+
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
11

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

See how rankings and monetization work.

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.