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 × Legal × $1,000 - $10,000 ×Clear Filters
  • 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
  • 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
  • Your Reliable Software Development Agency

    Stack360 is a software development company with its team in Lahore, Pakistan. Since 2019 we have built software and placed dedicated developers for US and UK companies. Engineers are shortlisted within 2 days after four checks, a founder joins your first call, and clients own all the code...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Web Development
    • Mobile App Development
    • AI Development
    • Show more
    Location
    Barking, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    38 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 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
  • 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
  • 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
  • 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
  • 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
  • IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • A Leading digital marketing agency

    A full service digital marketing agency offering expert Google Ads, Facebook Ads and SEO Optimisation...

    Top Services:

    • PPC
    • Digital Marketing
    • SEO
    • Software Development
    • Digital Strategy
    • Show more
    Location
    Braintree, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $95/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project 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
  • UI UX Design That Moves Your Brand Forward

    Nebs Creative is a UI/UX-focused digital agency crafting conversion-driven websites and web applications that blend clean design with scalable technology for growing brands and startups...

    Top Services:

    • Web Design
    • Design Services
    • Web Development
    • WordPress Website Design
    • Software Development
    • Show more
    Location
    Mildenhall, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • 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
  • Zoho, CRM, AI & Automation Specialists

    Mason & Co helps organisations improve the way they operate through better-connected business systems. We specialise in Zoho, CRM, AI, automation, integration and business intelligence, combining practical implementation with enterprise architecture thinking to create scalable, well-governed solutions...

    Top Services:

    • Digital Strategy
    • Web Design
    • WordPress Website Design
    • Web Development
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering your vision with expert web development.

    Quantum 3 Studio builds AI voice agents, websites and custom software that help service businesses win more customers without hiring more staff. Our AI receptionists answer and book calls around the clock, our custom CRMs cut hours of admin down to minutes, and our websites are built to convert. We work with...

    Top Services:

    • AI Development
    • Web Development
    • Software Development
    • Web Design
    • eCommerce Development
    • Show more
    Location
    Woking, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Web Development Agency St Helens, North West UK Since 2015

    Inflix is a full-service web development agency based in St Helens, Merseyside. We build websites, ecommerce platforms, SaaS products, mobile apps, and custom software for UK businesses. Founded in 2015 with 170+ clients served. Fixed-price proposals, no hidden fees, free consultation...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Digital Services
    • Show more
    Location
    St Helens, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
  • Design. Strategy. Build.

    A team of experienced digital specialists. We are experts in strategy, web design & build, with several large scale business platforms on our books. Our focus is on long term partnerships and we have a can do attitude...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • SEO
    • Software Development
    • Show more
    Location
    Cheltenham, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Building Digital Systems That Scale

    ExoGrow Solutions is a UK-based digital growth agency that helps businesses scale through website development, digital marketing, custom software, ERP systems, and performance-focused digital strategies. The agency combines technology, branding, and growth systems to create measurable business outcomes...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Digital Marketing
    • ERP Consulting
    • Show more
    Location
    Huddersfield, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    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
  • 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
  • AI automation for businesses that want results, not roadmaps

    Rift Automation Solutions builds AI-powered automation systems for UK SMEs from missed call text-back and lead follow-up to CV screening, invoice chasing, and appointment booking. We replace manual tasks with intelligent workflows, so businesses save time, capture more leads, and grow without hiring...

    Top Services:

    • AI Development
    • Business Consulting
    • CRM Consulting
    • Customer Support
    • Phone Answering Services
    • Show more
    Location
    Birmingham, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000

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Agencies vetted
129,262+
2

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

Applicants rejected
47%
3

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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.