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 ReviewsCraftedQ is a one-stop shop for all your digital needs. Our team of 300+ experts in full-stack development, DevOps, cloud architecture, product development, digital consulting, UI/UX design and project management can help your business create a comprehensive digital presence...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- Staff Augmentation
- WordPress Website Design
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 14 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
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
ARCQ AI Limited is a Generative AI Consultancy building custom software for service and brick-and-mortar businesses under $100M ARR, helping early AI adopters...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- IoT
- Web Design
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
Appdrawn is a multi-award winning bespoke software development company based in London and Barcelona. We specialise in a consultancy led approach, delivering high quality bespoke digital platforms, business systems, progressive web apps (PWAs) and mobile apps...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- UI/UX Design
- IoT
- Show more
- Location
- Watford, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Infinity Technologies brings together AI experts, scientists, software engineers and machine learning specialists to help enterprises become AI-agentic companies. We build AI agents and AI-native software, from LLM and RAG features to predictive intelligence, that automate everyday decisions...
Top Services:
- VR/AR
- UI/UX Design
- Mobile App Development
- Software Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $39/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
We build software to make your business more efficient and profitable. We specialise in the automotive sector having built Enterprise level Ecommerce websites, Auction websites, Finance Integrations, Vehicle Feeds, System Automation, cloud services and more. We don't just write code, we build full lifecycle...
Top Services:
- Software Development
- IT Services
- DevOps Consulting
- Location
- Derby, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $25,000 - $50,000
Applifting is an international software company of over 200 self-managed professionals that specializes in FinTech and MedTech innovation. Our teal principles prioritize freedom, transparency, and ethics, driving our commitment to your success. We offer end-to-end software solutions, technical innovation...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- UI/UX Design
- Branding
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $25,000 - $50,000
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
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
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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.
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