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.

Codal
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.Codal is an award-winning design and development consultancy helping enterprises solve complex challenges and accelerate growth with data-driven digital solutions. Our global team delivers expertise in digital transformation, eCommerce, UX/UI, product strategy, analytics, and AI...
Top Services:
- Web Development
- eCommerce Development
- Software Development
- Web Design
- UI/UX Design
- Show more
- Location
- Lincoln, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $145/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Clockwise Software is a digital product development company with 10+ years in the market and 200+ delivered solutions across SaaS, ERP, Logistics, MarTech, and HealthTech. Senior engineers, product thinking, and reliable delivery with under 10% variance on CPI/SPI across projects...
Top Services:
- Software Development
- Mobile App Development
- Staff Augmentation
- IT Services
- AI Development
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- Location
- Edinburgh, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 24 Projects Listed
Paving the way for a thriving digital society...
Top Services:
- Digital Services
- Mobile App Development
- Digital Strategy
- Product Design
- UI/UX Design
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 17 Projects Listed
Python-first staff augmentation for SaaS, data engineering & AI/ML. Senior embedded engineers, CVs in 24-48 hours. No freelancers...
Top Services:
- Software Development
- Staff Augmentation
- Mobile App Development
- Web Development
- Big Data Analytics
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- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt...
Top Services:
- Software Development
- Mobile App Development
- UI/UX Design
- Web Development
- Big Data Analytics
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $42/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Ignitho is acclaimed as one of the premier Software Development Companies in New York, USA. We specialize in delivering high-quality software development services to enterprises, employing a Frugal Innovation methodology that emphasizes achieving more while optimizing resources. Our approach prioritizes...
Top Services:
- Big Data Analytics
- IT Services
- Business Consulting
- AI Development
- DevOps Consulting
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- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Kellton is a publicly listed, CMMI Level 5, and ISO 9001:2015 certified global company, providing cutting-edge AI and digital transformation solutions and services in strategy, consulting, digital, and technology...
Top Services:
- Big Data Analytics
- Software Development
- AI Development
- Mobile App Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 8 Projects Listed
NJI Media is a reputable interactive agency that specializes in creating stunning designs, web development, multimedia production and effective online communications strategies. We offer these services to various high-profile corporate, political, and non-profit organizations across the United States...
Top Services:
- Branding
- Web Design
- UI/UX Design
- Web Development
- Digital Services
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $50,000 & Up
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...
Top Services:
- AI Development
- Software Development
- Web Development
- Mobile App Development
- Blockchain
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
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Software Development Specialties in the United Kingdom
Software Development Companies by City
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
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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