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.
DOT Technologies excels in industry-leading IT services and solutions. We focus on custom software development and provide tailored solutions to overcome unique business challenges. Our team helps with IT services like server setup, management, and support. We also excel in Chatbot, AI, and IT automation...
Top Services:
- Digital Services
- Branding
- AI Development
- Software Development
- Mobile App Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $16/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Octal IT Solution is an award-winning software development and IT consulting company helping businesses worldwide accelerate digital transformation. We create mobile applications and web platforms, AI and data solutions, cloud-native systems, and blockchain applications...
Top Services:
- Web Development
- Web Design
- Mobile App Development
- Software Development
- Blockchain
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 16 Projects Listed
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
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
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
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 ReviewsOmiSoft 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
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
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
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
Itransition
VerifiedVerified by the DesignRush team for authenticity and credibility.Turning Software Ideas Into Reality
Itransition specializes in assisting startups and medium to large scale businesses with their software solution needs. Our range of services encompasses the entire development lifecycle, from initial business process inquiry and modeling to comprehensive systems engineering...
Top Services:
- Software Development
- IT Services
- Business Consulting
- eCommerce Development
- Cloud Consulting
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 8 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsItransition Services
Data sourced from the agency's DesignRush profilePayPal Adidas Expedia Ebay Philips PepsiCo Xerox LISI AEROSPACE HAI Group Anybill
Itransition Reviews & Testimonials
Software Development Review from Robert Hager
Itransition carried out the entire software testing process without a single delay. Despite the remote cooperation, the company ensured ceaseless communication, which indicates a high level of the team’s professionalism and organization.
Software Development Review from Jimmy Carlisle
We needed an in-depth upgrade of the legacy auditing system. We chose Itransition because they swiftly responded to our project requirements and had relevant expertise. The team helped us decide on the solution’s tech stack and designed the new architecture, migrated legacy data, developed new features, and customized the software with extensions. We got a powerful and user-friendly auditing system and were very impressed with the Itransition’s dedication and attention to detail.
Software Development Review from Shoshana Parker
We enjoyed working with Itransition. We needed a solution for transferring health records from our EHR into the data warehouse without losses. We chose Itransition for their experience, portfolio, and past clients’ references, and the team fully met our expectations. They built a custom ETL tool that increased our visibility into clinical data and helped us spot inefficiencies in patient workflows. Needless to say, they also delivered it on time and budget.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSCALO Services
Data sourced from the agency's DesignRush profileAsseco ING Change Donations BNP Paribas Onet Santander Volvo Crif Bitpanda Vodeno
SCALO Reviews & Testimonials
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.
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 ReviewsSENLA 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
Tech strategy advisor & delivery partner with 25+ years of experience. We deliver measurable results through a unique, AI-enabled advisory & delivery framework combining technological heritage with AI-driven optimisation to scale faster, with full governance and compliance...
Top Services:
- Software Development
- Cloud Consulting
- DevOps Consulting
- Big Data Analytics
- IT Services
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 20 Projects Listed
Sombra is a global AI-first software development and AI consulting partner. With 400+ experts across the US, Europe, Latin America, Canada, India, and the Middle East, we design, build, and deliver IT solutions in AI, financial services, healthcare, e-commerce, energy, logistics, and...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Cloud Consulting
- Big Data Analytics
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 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
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
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
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
Bath agency building custom-coded websites and local SEO for small businesses & trades...
Top Services:
- Graphic Design
- Branding
- Web Design
- eCommerce Development
- Web Development
- Show more
- Location
- Bath, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
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
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
Jelvix is a global tech partner with 15+ years of experience, empowering industry leaders and startups. With 450+ IT experts, we drive digital transformation across Europe, North America, Nordics, and Southeast Asia...
Top Services:
- Software Development
- Mobile App Development
- VR/AR
- AI Development
- IoT
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $70/hr
- Portfolios Count
- 10 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
Cracking is a fixed-price app studio for iOS, Android and web. We serve businesses across the UK, US and Europe, with clear scoping and a fixed quote before code...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- eCommerce Development
- AI Development
- Show more
- Location
- Melton Mowbray, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
We specialize in digital transformation and the seamless integration of third-party solutions into your existing HR and finance infrastructure. Enhance the advantages of your digital transformation expedition with our customized, cloud-based solutions. Optimize your operational workflows, amplify...
Top Services:
- Software Development
- Web Development
- CRM Consulting
- Cloud Consulting
- Show more
- Location
- Salford, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $1,000 - $10,000
Estopia is a founder-led website design and development studio based in Scotland, helping businesses create modern, trust-focused websites that clearly communicate their value and generate enquiries. The studio combines strategy, messaging, design, development, and ongoing support under one senior team to...
Top Services:
- Web Design
- Web Development
- UI/UX Design
- Mobile App Development
- Software Development
- Show more
- Location
- Cowdenbeath, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $85/hr
- Minimal Budget
- Under $1,000
Founded in 2005 in Reading (UK) Naxtech is a Digital Agency focusing on helping businesses grow, increase profitability, while attracting new customers via the effective use of technology and digital marketing...
Top Services:
- Web Development
- Digital Marketing
- Mobile App Development
- SEO
- Content Marketing
- Show more
- Location
- Reading, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects 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
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
We're Rareloop, a B-Corp, digital product studio, based in the UK. We design and build beautiful, high-performing websites, web apps, and bespoke systems that help organisations grow, streamline operations, and make a bigger impact...
Top Services:
- Web Development
- Web Design
- UI/UX Design
- Software Development
- Mobile App Development
- Show more
- Location
- Southampton, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
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
CHARLEE X is a UK software team that ships custom AI agents, agentic workflows, and reliable backends for B2B products. We work serverless-first on AWS and lean on TypeScript with Effect-TS so failures, concurrency, and service boundaries stay explicit as complexity grows. Engagements centre on production...
Top Services:
- AI Development
- Software Development
- Web Development
- eCommerce Development
- Mobile App Development
- Show more
- Location
- York, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
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Software Development Specialties in the United Kingdom
Software Development Companies by City
Popular Services
Why companies trust DesignRush
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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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