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.

Yalantis
VerifiedVerified by the DesignRush team for authenticity and credibility.Full-cycle tech partner with deep expertise in IoT
We deliver cutting-edge, scalable, and fully functional IoT hardware and software products and ecosystems that help clients achieve their specific objectives...
Top Services:
- IoT
- Software Development
- Mobile App Development
- AI Development
- Big Data Analytics
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 24 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsYalantis Services
Data sourced from the agency's DesignRush profileRAKwireless Toyota Tsusho KPMG Healthfully Orbis Systems Lifeworks Scholz Databank 123 Sourcing Truhoo
Yalantis Reviews & Testimonials

Fintech Review from Sergei Lishchenko
The exception team the client collaborated with brought in fresh ideas and innovative technologies previously unfamiliar to the client. For example, with Yalantis' guidance, the client's developers explore the Go language. The primary reason the client chose Yalantis is its strong organizational and project management skills. It's not just about the developers; Yalantis provides a comprehensive support framework, ensuring that a project manager is consistently present. (Verified via email)
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Software Development Review from Jason Jung
Yalantis functions as an integral scrum team, supporting the development teams of a real estate firm. It created renovation project management tools that encompass a web app, a mobile app, and a backend system. Thanks to Yalantis, the client expanded development capabilities and achieved key short-term goals. Its quick integration was pivotal in launching various projects. Beyond delivering top-notch work, Yalantis emphasizes a culture that prioritizes the customer's needs. (Verified via email)
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Outsourcing Review from Roy D
An IoT manufacturer teamed up with Yalantis to craft an application, enabling users to manage their devices more efficiently. Utilizing Node.js and basing the architecture on Circulus, Yalantis delivered commendable outcomes. It is responsive to any development challenges, offering swift resolutions. The client appreciates Yalantis' proactive stance, impressive technical expertise, and practical solution suggestions. (Verified via email)
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsDigis is a Software Development company with a team of 200+ professionals dedicated to Custom Development (Web & Mobile) and design. We have a wealth of experience across several industries, particularly in Education, Healthcare, Fintech, E-Commerce, Media & Entertainment, GIS and Automotive...
Top Services:
- Staff Augmentation
- Web Design
- Web Development
- Mobile App Development
- IT Services
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $39/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 22 Projects Listed

Empat
VerifiedVerified by the DesignRush team for authenticity and credibility.Since 2013, we've delivered 300+ digital products across 17 countries, empowering brands like Porsche, Panasonic, Transparency International, Heinemann, CBRE, and dozens of ambitious startups and scaleups...
Top Services:
- Mobile App Development
- Software Development
- Staff Augmentation
- AI Development
- Web Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 24 Projects Listed
Softermii (https://www.softermii.com/) is an outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- UI/UX Design
- Blockchain
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 22 Projects Listed
EffectiveSoft is an AI-enabled product engineering company focused on digital products and enterprise systems. We combine software engineering, UX expertise, and AI capabilities to help companies build products that can adapt to changing requirements, integrations, and growth...
Top Services:
- Software Development
- Mobile App Development
- Big Data Analytics
- AI Development
- ERP Consulting
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 29 Projects Listed

Solveit
Award WinnerRecipient of a Best Design Award for outstanding work.We design and develop top-rated mobile and web apps for startups and SMEs. E-commerce, Healthcare, Marketplaces, and more. Our clients rate us for 5 out 5 - check out why!...
Top Services:
- Mobile App Development
- Software Development
- Web Design
- Design Services
- AI Development
- Show more
- Location
- Manchester, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 32 Projects Listed
Vention builds custom software across fintech, healthtech, and eCommerce, for clients like ClassPass, Mount Sinai, and Slice. Its ISO 27001-certified team serves 30+ industries and over 500 clients. With 20+ years of experience, the software development firm is best for businesses needing scalable...
Top Services:
- Software Development
- Staff Augmentation
- Mobile App Development
- Software Testing
- Web Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 15 Projects Listed
Leobit is a full-cycle .NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK.Tech focus: .NET, Angular, iOS, Android, Ruby, React, PHP, and a range of technologies from Microsoft, Web, and Mobile Stacks...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- UI/UX Design
- IT Services
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 26 Projects Listed
Kernelics is a boutique web and mobile software development firmfor startups and tech companies...
Top Services:
- Mobile App Development
- Staff Augmentation
- Product Design
- Software Development
- eCommerce Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 18 Projects Listed
We are ready to build your project in the digital world. We will help you through the development process from initial analysis to successful launch. We design, build and launch digital products on mobile, web, and connected platforms...
Top Services:
- Software Development
- AI Development
- Staff Augmentation
- Mobile App Development
- CRM Consulting
- Show more
- Location
- Birmingham, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $79/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Perpetual is a software design and development agency. We build custom web and mobile products for our clients...
Top Services:
- UI/UX Design
- Web Design
- Web Development
- WordPress Website Design
- Software Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Binary Studio works with startup founders and SMB leaders who have domain expertise and a clear understanding of the problem they need to solve...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- Web Development
- IT Services
- Show more
- Location
- Wimborne Minster, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
Dreamer Technoland is a web development, mobile app design and development company building reliable solutions for businesses and startups...
Top Services:
- Software Development
- Mobile App Development
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
We are Zentix Soft, a UK-founded IT company with offices in Ukraine and Latvia. Our team specializes in full-cycle web development, mobile app development, and custom software solutions. We operate in three models: in-house, outsourcing, and outstaffing, helping clients build efficient and scalable...
Top Services:
- Web Design
- Mobile App Development
- Web Development
- Software Development
- UI/UX Design
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
We are Tech Alchemy. We are passionate about start-ups...
Top Services:
- Web Design
- Web Development
- Blockchain
- AI Development
- Mobile App Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Cogneo Group Limited is a leading independent digital transformation consultancy focused on accelerating innovation and engineering advanced technology, data, and artificial intelligence solutions that empower customers and teams. We leverage CX, AI, ML, and data analytics to craft bespoke strategies, robust...
Top Services:
- AI Development
- IT Services
- ERP Consulting
- Mobile App Development
- Software Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
Related Services
- AI Companies in the United Kingdom
- Blockchain Development Companies in the United Kingdom
- IoT Companies in the United Kingdom
- Mobile App Development Companies in the United Kingdom
- Outsourcing Software Development Companies in the United Kingdom
- VR & Augmented Reality Companies in the United Kingdom
- Wearable Technology Companies in the United Kingdom
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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