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 × Insurance × $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-Native, Business-Ready Development Services. Engineered to Scale

    At Mobcoder AI, certified engineers and data scientists help you identify high-ROI AI use cases and operationalize them at scale. With 150+ deployments, CMMI Level 3 certification and 12+ years of experience, we build AI solutions governed by design and model-agnostic frameworks...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Web Development
    • VR/AR
    • Show more
    Location
    Cobham, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
  • Realize Ideas via Innovative Tech & Wow Experience

    InApps Technology is Vietnam's leading Offshore Development Center, helping startups and SMEs build and scale dedicated engineering teams instead of renting freelance capacity. We pair senior, English-fluent engineers with an AI-native workflow (Claude, Cursor, and GitHub Copilot in every sprint...

    Top Services:

    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Irlam, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    41 Projects Listed
  • Software Engineering Laboratory

    SENLA is the leading provider of Talent Augmentation in Europe, with a team of 700+ tech experts. Trusted by BOSCH, IKEA, Bayer, and Deloitte, we help scale tech teams with skilled engineers, architects, and data scientists...

    Top Services:

    • Staff Augmentation
    • Mobile App Development
    • Software Development
    • CRM Consulting
    • UI/UX Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    38 Projects Listed
  • Fintech Software Development Services

    DeepInspire is a boutique software development company with a focus on fintech software development, offering services such as IT consulting, technical due diligence, digital transformation, product development, MVP development, and more...

    Top Services:

    • Software Development
    • Web Design
    • Mobile App Development
    • AI Development
    • UI/UX Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    15 Projects Listed
  • Custom Blockchain & AI Development Company

    OmiSoft is a full-cycle product development company specializing in web, mobile, blockchain, and AI-driven solutions. We support clients throughout the entire product lifecycle from concept validation and prototyping to full implementation and long-term technical evolution...

    Top Services:

    • Blockchain
    • Software Development
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    25 Projects Listed
  • An Enterprise AI Development Company

    Azilen Technologies is a prominent enterprise AI development company that takes pride in delivering exceptional AI, Data, and HRTech solutions to organizations seeking digital transformation...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • IoT
    • Cloud Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
  • AI-First Company for Rapid Product Development

    We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in...

    Top Services:

    • Blockchain
    • AI Development
    • Mobile App Development
    • Software Development
    • Web Design
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • Never Wait for ‍the Insurance Company Again

    Precedent is a world class agency delivering solutions that include digital transformation, customer and user experience design, brand development, web and mobile design and development, content management, hosting and support...

    Top Services:

    • Software Development
    • Software Testing
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • Building Future-Ready Apps & Software For UK Businesses

    Suffescom has established strong expertise in AI-driven applications, software development, and early adoption of emerging technologies, enabling enterprises to automate, enhance user experiences, and generate data-driven insights through advanced technologies...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • We Build Teams That Build Your Software

    UNL Solutions is a UK-based Dedicated Software Development Center providing tailored software and mobile solutions for companies of all sizes. With access to 150+ IT professionals, we build dedicated teams that integrate with client processes and operate across the UK, Europe, and the USA. We support...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • Software Testing
    • IT Services
    • Show more
    Location
    Loughborough, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $37/hr
    Minimal Budget
    $10,000 - $25,000
  • 2Base Technologies is an enterprise software development company specializing in end-to-end IT digital transformation services. With registered offices in the UK, USA, and Australia and R&D centers in Kochi and Palakkad, India, we help businesses worldwide drive efficiency, innovation, and growth...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • eCommerce Development
    • AI Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Sculpt Your Thoughts To Reality

    TatvaSoft is a trusted technology partner enabling global businesses with its strategic IT solutions. Our services majorly encompasses Custom software development, Web development, product development, Ecommerce , Mobile apps, QA and many similar cutting-edge technologies...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Don't stand still. Your competitors won't.

    At Cogworks we believe in democratising the web by making powerful digital solutions accessible to all types of buiness. We specialise in bespoke, user-centric websites and applications using the Umbraco CMS, ensuring they are secure, scalable and sustainable. Our mission is to empower businesses with...

    Top Services:

    • Web Design
    • Web Development
    • Digital Strategy
    • UI/UX Design
    • Software Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Accelerate Your AI Transformation

    Vahue is an AI transformation consultancy and engineering company that helps startups and scaling enterprises become AI-native through team augmentation, workforce training, and enterprise AI systems. The company combines AI-native engineering talent, practical upskilling programs, and custom AI solutions to...

    Top Services:

    • AI Development
    • Staff Augmentation
    • Software Development
    • SEO
    • Web Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Intentional Experiences

    We provide expert UX consulting with 18+ years proven success. Our multi-disciplinary team delivers product strategy, user research, UX design, training and experience testing. We have offices in Toronto, Ottawa, Canada, New York USA and Cambridge, London, UK...

    Top Services:

    • UI/UX Design
    • Digital Services
    • Product Design
    • Staff Augmentation
    • Market Research
    • Show more
    Location
    Cambridge, 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
16

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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.