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.

SDTC Digital
VerifiedVerified by the DesignRush team for authenticity and credibility.Future-Ready Product Engineering, Powered By AI
SDTC Digital is a product engineering and AI company, led by Swarnendu De, a Technology & AI Leader, serial entrepreneur with 20 years of expertise. 600+ products delivered, running in 70+ countries, for companies including Google, Best Buy, SWVL and LIXIL...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Web Development
- Cloud Consulting
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSDTC Digital Services
Data sourced from the agency's DesignRush profileGoogle Best Buy Nuvoco Silknet VSP LIXIL SWVL IMD KwikKopy Cordial
SDTC Digital Reviews & Testimonials

AI Development Review from Michael Stanley
Working with SDTC Digital has truly been a pleasure. The team is attentive, timely, and demonstrates great care in ensuring all expectations are met. Working with SDTC is like having a highly competent extension of your core team, as they handle your projects with the care of a stellar employee. I would recommend them to anyone looking for satisfaction in their area of need.

Healthcare Review from Nick Scholl
SDTC Digital built our website and did an outstanding job from start to finish. Anytime we needed something adjusted or added, they turned it around fast and got it exactly right, no back and forth or long delays. Their communication was great throughout the whole process. Since the site went live it's brought in real business for us, not just a page that looks nice and sits there doing nothing. If you're looking for a team that actually delivers and backs it up with results, I'd recommend SDTC Digital without hesitation.

Software Development Review from Niclas Manson B.Kin, MPH, CRSP, CIH, ROH
SDTC has been developing custom software for Manson Methods Inc. They have delivered good products but still required robust testing and fixes due to bugs. SDTC staff are very good at taking informaiton and delivering the vision. There have been times where they delivered feature but did not match our vision. I believe this is a fault of our not being clear enough or providing details or pictures to help with the vision. I also find the delivery times were a littel slower in august and september vs June and July. Overall I am very satisfied and hoping the feedbacks cna be implemented.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsPixelette Technologies builds custom software, AI, blockchain, and mobile apps for clients like Dodge, McDonald's, and moTV. Its full-cycle team covers Python, Java, and Go across healthcare and enterprise verticals. Best fit for startups and enterprises needing end-to-end software outsourcing...
Top Services:
- Software Development
- Web Development
- Web Design
- Blockchain
- Mobile App Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 43 Projects Listed
Stack360 is a software development company with its team in Lahore, Pakistan. Since 2019 we have built software and placed dedicated developers for US and UK companies. Engineers are shortlisted within 2 days after four checks, a founder joins your first call, and clients own all the code...
Top Services:
- Software Development
- Staff Augmentation
- Web Development
- Mobile App Development
- AI Development
- Show more
- Location
- Barking, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 38 Projects Listed
We are an international software development company that creates solutions for 4 distinct areas of cloud automation and has subsidiaries or sales partners in 12 different European nations...
Top Services:
- Web Development
- Web Design
- eCommerce Development
- Blockchain
- Software Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
York-based AI development consultancy for UK businesses of 10 to 200 people. We find the manual work between the systems you already use and build custom automations and AI agents that remove it. Fixed-price Automation Audit first; first system typically live within a month...
Top Services:
- AI Development
- BPO
- Software Development
- Big Data Analytics
- IT Services
- Show more
- Location
- York, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Inktrap is a next level digital product design and development agency in London. We work with companies to create amazing digital products that users love. Our team of designers, developers and strategists are passionate about building easy-to-use products that solve real problems for real people...
Top Services:
- Product Design
- UI/UX Design
- Design Services
- Software Development
- Web Design
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
NCrypted Technologies is a software development company that specializes in HR tech. Its offers top-notch custom software solutions, both online and offline, to a wide range of businesses. This includes startups, SMBs, and large Fortune Global 1000 enterprises. Its reach spans across the globe in over 100...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- UI/UX Design
- WordPress Website Design
- 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
Lonlogic is a London WordPress Agency, England, specializing in propelling B2B business growth. The company offers London web design and web development solutions to support Marketing, Sales and Service functions, focuses on enterprise class web design and WordPress development and HubSpot CMS...
Top Services:
- WordPress Website Design
- Web Design
- eCommerce Development
- Software Development
- Digital Marketing
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Severus is a UK business automation and operations partner for construction companies and law firms. We connect the systems you already use and add AI where it saves real hours. Offices in London and Tallinn...
Top Services:
- Business Consulting
- IT Services
- AI Development
- Software Development
- ERP Consulting
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $85/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...
Top Services:
- Accounting
- Business Consulting
- Market Research
- HR Outsourcing
- Software Development
- Show more
- Location
- Manchester, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
A full service digital marketing agency offering expert Google Ads, Facebook Ads and SEO Optimisation...
Top Services:
- PPC
- Digital Marketing
- SEO
- Software Development
- Digital Strategy
- Show more
- Location
- Braintree, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $95/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Cardiff software and AI automation agency. Custom websites from £1,999, bespoke platforms from £14,950, AI receptionists and workflow automation for UK firms...
Top Services:
- Software Development
- Web Development
- AI Development
- Web Design
- Show more
- Location
- Cardiff, United Kingdom
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Nebs Creative is a UI/UX-focused digital agency crafting conversion-driven websites and web applications that blend clean design with scalable technology for growing brands and startups...
Top Services:
- Web Design
- Design Services
- Web Development
- WordPress Website Design
- Software Development
- Show more
- Location
- Mildenhall, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
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
Mason & Co helps organisations improve the way they operate through better-connected business systems. We specialise in Zoho, CRM, AI, automation, integration and business intelligence, combining practical implementation with enterprise architecture thinking to create scalable, well-governed solutions...
Top Services:
- Digital Strategy
- Web Design
- WordPress Website Design
- Web Development
- Software Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $1,000 - $10,000
Quantum 3 Studio builds AI voice agents, websites and custom software that help service businesses win more customers without hiring more staff. Our AI receptionists answer and book calls around the clock, our custom CRMs cut hours of admin down to minutes, and our websites are built to convert. We work with...
Top Services:
- AI Development
- Web Development
- Software Development
- Web Design
- eCommerce Development
- Show more
- Location
- Woking, United Kingdom
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Inflix is a full-service web development agency based in St Helens, Merseyside. We build websites, ecommerce platforms, SaaS products, mobile apps, and custom software for UK businesses. Founded in 2015 with 170+ clients served. Fixed-price proposals, no hidden fees, free consultation...
Top Services:
- Web Development
- eCommerce Development
- Mobile App Development
- Software Development
- Digital Services
- Show more
- Location
- St Helens, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $90/hr
- Minimal Budget
- $1,000 - $10,000
A team of experienced digital specialists. We are experts in strategy, web design & build, with several large scale business platforms on our books. Our focus is on long term partnerships and we have a can do attitude...
Top Services:
- Web Design
- Web Development
- WordPress Website Design
- SEO
- Software Development
- Show more
- Location
- Cheltenham, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
ExoGrow Solutions is a UK-based digital growth agency that helps businesses scale through website development, digital marketing, custom software, ERP systems, and performance-focused digital strategies. The agency combines technology, branding, and growth systems to create measurable business outcomes...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- Digital Marketing
- ERP Consulting
- Show more
- Location
- Huddersfield, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
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
At InternetStars Agency, we specialize in leveraging cutting-edge technology to provide businesses with complete mobile app solutions. From eCommerce platforms to marketing strategies and everything in between, we can be your definitive guide on the path towards truly revolutionary innovation...
Top Services:
- UI/UX Design
- Mobile App Development
- Cloud Consulting
- DevOps Consulting
- eCommerce Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $59/hr
- Minimal Budget
- $1,000 - $10,000
Rift Automation Solutions builds AI-powered automation systems for UK SMEs from missed call text-back and lead follow-up to CV screening, invoice chasing, and appointment booking. We replace manual tasks with intelligent workflows, so businesses save time, capture more leads, and grow without hiring...
Top Services:
- AI Development
- Business Consulting
- CRM Consulting
- Customer Support
- Phone Answering Services
- Show more
- Location
- Birmingham, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Related Services
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- 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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