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.

We Vetted The Best United Kingdom Software Development Firms For You

7 Companies - Rankings updated: September 06, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

Expertise
Insurance
$1,000 - $10,000
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United Kingdom × Insurance × $1,000 - $10,000 × Clear Filters

  • SDTC Digital

    Future-Ready Product Engineering, Powered By AI

    SDTC Digital is a product engineering and AI company building software for mid-market and enterprise clients across the US and Europe. From Dallas, Kolkata and the UK, we build new products, modernise ageing platforms and put AI into production through Aurvik AI by SDTC. 600+ products delivered, running in...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Development
    • Wearables
    • 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

    SDTC Digital Services

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Development
    • Wearables
    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
    Visit Website View Profile

  • Naxtech

    Honest, Practical, & Focused On Results

    Founded in 2005 in Reading (UK) Naxtech is a Digital Agency focusing on helping businesses grow, increase profitability, while attracting new customers via the effective use of technology and digital marketing...

    Top Services:

    • Web Development
    • Digital Marketing
    • Mobile App Development
    • SEO
    • Content Marketing
    • Show more
    Location
    Reading, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed

    Naxtech Services

    • Web Development
    • Digital Marketing
    • Mobile App Development
    • SEO
    • Content Marketing
    • Software Development
    • PPC
    • Social Media Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Accor Hotels
    • Hilton
    • EyeForTravel
    • EyeForPharma
    • Intel
    • Servier Laboratories
    • Astellas
    • Hong Kong Polytechnic University
    • FutureSource Consulting
    • Reed Exhibitions
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Lumine Soft

    Empowering Your Digital Evolution.

    We specialize in digital transformation and the seamless integration of third-party solutions into your existing HR and finance infrastructure. Enhance the advantages of your digital transformation expedition with our customized, cloud-based solutions. Optimize your operational workflows, amplify...

    Top Services:

    • Software Development
    • Web Development
    • CRM Consulting
    • Cloud Consulting
    • Show more
    Location
    Salford, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000

    Lumine Soft Services

    • Software Development
    • Web Development
    • CRM Consulting
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Insurance industry
    • Retail industry
    • Fintech Industry
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • CHARLEE X

    Serious AI and distributed systems engineered for production.

    CHARLEE X is a UK software team that ships custom AI agents, agentic workflows, and reliable backends for B2B products. We work serverless-first on AWS and lean on TypeScript with Effect-TS so failures, concurrency, and service boundaries stay explicit as complexity grows. Engagements centre on production...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    York, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    CHARLEE X Services

    • AI Development
    • Software Development
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Cloud Consulting
    • Business Consulting
    • IT Services
    • UI/UX Design
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Tripple6Customs
    • Toyota
    • Motix Connected
    • Aioi Nissay Dowa
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • HelloHorizon

    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

    HelloHorizon Services

    • Web Design
    • Web Development
    • Software Development
    • AI Development
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • MD Thompson
    • Capron & Helliwell
    • Heigham Motors
    • Frontline
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Dot Technologies

    Empowering your dreams.

    DOT Technologies excels in industry-leading IT services and solutions. We focus on custom software development and provide tailored solutions to overcome unique business challenges. Our team helps with IT services like server setup, management, and support. We also excel in Chatbot, AI, and IT automation...

    Top Services:

    • Digital Services
    • Branding
    • AI Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $16/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed

    Dot Technologies Services

    • Digital Services
    • Branding
    • AI Development
    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • ParkingNexus
    • YES Glazing Solutions
    • Premiere Concierge, Inc.
    • Housing Hand Ltd
    • Topstep
    • Rent-E-Quip
    • Edozo Limited
    • Gracely
    • VETx
    • Holiday Manufacturing Inc.
    Data sourced from the agency's DesignRush profile

    Dot Technologies Reviews & Testimonials

    • EsscoIndia
      EsscoIndia Review from Google
      4.0 ★

      EsscoIndia's Review Sourced from Google

      I have taking their services for developing our app and websites for last two years. They not only clearly understand my requirements but also contribute by suggesting various usability and scalability scenarios.

    • Karen Sugar
      Karen Sugar Review from Google
      5.0 ★

      Karen Sugar's Review Sourced from Google

      We have used their services for a few projects and are completely satisfied with the quality of work and attentiveness to detail. They were flexible with numerous edits and creative with their ideas. We would definitely use them again!

    • Michael Bankhead
      Michael Bankhead Review from Google
      5.0 ★

      Michael Bankhead's Review Sourced from Google

      I have worked with DOT Technologies on several projects. Their website is easy to use and provides a lot of great information. For my projects I hire freelancer Ravneet Kaur. She does excellent work and always completes my projects on time and without issues.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.1 4.1 (62)

  • Vigo

    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

    Vigo Services

    • UI/UX Design
    • Product Design
    • Design Services
    • Web Design
    • Web Development
    • Software Development
    • Cloud Consulting
    • Business Consulting
    • CRO
    • Digital Strategy
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Benchmark Estimating
    • Elkstone Capital Partners
    • ODI
    • R&D Marine
    • Bloomberg Philanpthropies
    • AARP
    • GLA
    • MI Engineers
    • Cybit
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

Related Services

Software Development Specialties in the United Kingdom

Software Development Companies by City

Popular Services

Why Companies Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding custom software development companies in the United Kingdom. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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. 

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