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 × Professional Services × $10,000 - $25,000 ×Clear Filters
  • We empower you to create customer-focused, digital products.

    Based in Leicester, England, we are a team of digital specialists - designers, developers, project managers and digital fanatics. We have a diverse set of skills and we love the digital products we make...

    Top Services:

    • Web Design
    • Software Development
    • Web Development
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Leicester, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 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
  • 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
  • Custom Operations Systems For Growing Businesses

    OpsMavix builds custom operations systems that help growing businesses replace spreadsheets, manual work, and disconnected tools with one clear source of truth. We focus on inventory, workflows, reporting, automation, and internal business apps that give teams more control and less chaos...

    Top Services:

    • eCommerce Development
    • Software Development
    • ERP Consulting
    • CRM Consulting
    • ECM Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
  • Sorting your business systems. Properly.

    All My Systems (AMS) is a UK-based Microsoft Solutions Partner specialising in Microsoft Dynamics 365 Business Central, CRM and the Power Platform. We help small and medium-sized businesses streamline operations, improve visibility and work more efficiently with connected business systems. Unlike...

    Top Services:

    • CRM Consulting
    • ERP Consulting
    • Business Consulting
    • Big Data Analytics
    • Staff Augmentation
    • Show more
    Location
    Hebden Bridge, United Kingdom
    Number of Employees
    Under 49
    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
129,175+
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
5

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

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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.