THE AUTHOR:
While the United Kingdom has gained recognition for its advancements in the IT sector, it might not be the immediate go-to destination for businesses due to higher expenses and fierce competition.
However, there are a variety of remarkable software development companies in the United Kingdom that warrant attention from decision-makers striving to secure continuous growth and development.
Software Engineering Market in the United Kingdom
The IT services sector in the United Kingdom is expected to generate a substantial revenue of US$113.98 billion in 2025, highlighting its significant role in the nation’s economy.
A key factor driving this growth is IT outsourcing, projected to contribute US$44.40 billion to the sector’s total revenue.
According to Statista’s report, these projections position the UK as the leading IT sector performer in Europe and the third globally, following the USA and Japan.
The country’s tech industry is dynamic, featuring a diverse mix of established companies and start-ups, creating an environment marked by competition and innovation.
IT companies in the UK cater to businesses of all sizes, providing services across industries.
Notably, the financial sector holds the lion’s share, with over 25% of tech companies deeply engaged in this dynamic field.
Kearney’s research highlights the UK’s excellence in science and technology, evident in its leading position with the highest number of technology patents filed in areas such as AI/ML, automation, blockchain and robotics.
This technological prowess propels the country’s economy to an impressive US$1 trillion, establishing it as a powerhouse in the tech sector in Europe.
Various enterprises with branches in the UK play a huge role in expanding the global impact of the country’s tech sector.
This global accessibility allows businesses to tap in to international talent while adhering to the UK’s regulatory framework, endorsing outsourcing best practices and providing valuable research and information to companies and managers.
With an impressive count of 26,459 software companies in the UK, varying in sizes and specialisations, finding the right one may be challenging.
To simplify this choice for you, we’ve compiled a list showcasing the most reliable software development partners in the United Kingdom.
Why Did We Choose These Software Companies?
Each company has earned its spot on the list of the best software developers in the UK after undergoing thorough assessments across various parameters related to software development services.
The key criteria we used for evaluating companies include:
1. Range of services offered
2. Scale and complexity of projects
3. Company experience
4. Number of employees
5. Geographic reach
6. Noteworthy clientele
Our analysts, guided by thorough research, have curated a list showcasing the highest-rated IT companies in the UK. This compilation is designed to streamline your search for the ideal technology partner for your business projects.
Top 20 Software Engineering Companies in the United Kingdom
1. Computools
Computools leads the list of the best software developers in the UK. Acknowledged as one of the top 100 outsourcing companies globally by IAOP 2025, Computools assists international enterprises in reaching their innovation objectives and boasts a robust track record with over 350 completed projects for businesses in more than 20 countries.
With a commitment to consistent and proven solutions, Computools prioritises IT operational reliability and data security, adhering to ISO 9001:2015 and ISO 27001:2013 standards.
In addition to technical expertise, Computools provides clear engagement models and a development team fluent in six languages.
Businesses that partner with Computools benefit from a comprehensive approach to software development and transparent communication frameworks, ensuring clients stay involved throughout all project stages.
Minimum Project Size: $50,000
Hourly Rates: $50–$99
Founded: 2013
Employees: 250–999
Services: Custom Software Engineering, Web Development, Data & Analytics, Mobile Development, UX/UI Design, Software Testing, Technology Advisory, Digital Transformation, AI Development
Industries: Healthcare, Education, Finance, Social Networks, Energy, Logistics, Travel & Hospitality, E-commerce
Top Clients: British Council, Visa, IBM, Dior, Bombardier
Location: United Kingdom, USA, Belgium, Germany, Austria, Sweden, Norway, Japan, Ukraine
Clutch Reviews: 4.9 stars
GoodFirms Reviews: 5 stars
LinkedIn Profile: https://www.linkedin.com/company/computools/
Facebook Profile: https://www.facebook.com/computools.llc/
2. Emvigo Technologies Ltd
Emvigo Technologies is a worldwide technology development company that provides products and services across various IT fields.
The company’s solutions are driven by its clients’ business objectives, including expanding market share and improving customer engagement.
Emvigo has successfully guided numerous businesses in transforming their product concepts into functional products, particularly concentrating on aiding early-stage start-ups in building their MVPs in the UK market.
Minimum Project Size: $10,000
Hourly Rates: $25–$49
Founded: 2012
Employees: 50–249
Services: Custom Software Engineering, Mobile Application Development, Cloud Consulting, E-commerce Development, Web Design
Industries: Advertising, Entertainment, Automotive, Consumer Products, Information Technology, Medical, Real Estate, E-commerce
Top Clients: Glu CX Limited, Vantage Meters Ltd, iNPLASS
Location: United Kingdom, India, Saudi Arabia, UAE
3. Coreblue
Coreblue positions itself as a completely UK-based software development firm with five offices strategically located across the nation.
The company is composed of highly skilled professionals specialising in design, development, QA, DevOps and project management, creating a team of proficient and experienced technologists.
Whether clients are looking to enhance business operations, improve user experience or bring a new concept to life, Coreblue’s team is prepared to support them at every stage of the process, 24/7.
Minimum Project Size: $10,000+
Hourly Rates: $100–$149
Founded: 2015
Employees: 10–49
Services: Custom Software Engineering, Mobile Application Development, IT Strategy Consulting
Industries: Financial Services, Government, Hospitality, Education
Top Clients: Bank of Kigali, Kuoni, PayPoint
Location: United Kingdom
4. Appdrawn
Appdrawn is a highly acclaimed software company in the United Kingdom, also represented in Barcelona. The company’s team excels in a consultative approach, creating top-notch custom digital platforms, business systems, progressive web apps and mobile apps.
Appdrawn has collaborated with a diverse range of clients, from the BBC to growing start-ups. Notably, it has achieved Green Mark Level 1 accreditation, signifying its commitment to internationally recognised environmental standards.
Minimum Project Size: $25,000
Hourly Rates: $50–$99
Founded: 1999
Employees: 10–49
Services: Custom Software Engineering, Mobile Application Development, Web Development
Industries: Financial Services, Business Services, Education, Information Technology, Logistics, Medical
Top Clients: Aspire, BBC, Infopoint, Renteq, Airlinen
Location: United Kingdom, Spain
5. Rootquotient
Rootquotient stands out as a prominent product engineering firm with an international footprint spanning Canada, the UK and India.
Specialising in tailor-made software development, the company has earned acclaim for its outstanding management skills.
Distinguished as a ‘zero-to-one’ company, Rootquotient excels in crafting custom software solutions from scratch.
Minimum Project Size: $10,000
Hourly Rates: $50–$99
Founded: 2018
Employees: 50–249
Services: Custom Software Engineering, Mobile Application Development
Industries: Education, Financial Services, Medical, Retail
Top Clients: Siemens Gamesa, Verizon, Nokia, L&T, Fidelity
Location: United Kingdom, India, Canada
6. Imaginary Cloud
Imaginary Cloud, as a prominent player among software companies in the UK, takes pride in its user-centred designs. Its services range from enterprise mobile application development to facilitating digital transformation for scale-up businesses.
The company’s team of experts collaborates closely with clients throughout the project to ensure that each project is executed with precision, keeping the target audience in mind.
Minimum Project Size: $25,000
Hourly Rates: $50–$99
Founded: 2010
Employees: 50–249
Services: Custom Software Engineering, Web Development
Industries: Education, Financial Services, Gambling, Information Technology, Medical, Real Estate, Supply Chain, Telecommunications
Top Clients: Nokia, BNP Paribas, Sage, TravelWiFi
Location: United Kingdom, USA, Portugal
7. Synetec
Established in 2009, Synetec is a software development agency in London. It collaborates with various businesses, including renowned entities such as Bloomberg, UBS and the UK Government.
Over the past 5 years, the Synetec delivery model has guaranteed that none of its clients have needed to allocate extra budget due to missed deadlines.
Synetec has constructed an exceptional system, providing clients with a competitive advantage and aiding growing businesses in transitioning from start-ups to AIM companies.
Minimum Project Size: $25,000
Hourly Rates: $25–$49
Founded: 2009
Employees: 50–249
Services: Custom Software Engineering, Web Development
Industries: Financial Services, E-commerce, Manufacturing, Business Services
Top Clients: Argentex, Genesis, Jabre Capital Partners, Zebedee Capital Partners LLP
Location: United Kingdom
8. GoodCore Software
GoodCore boasts an impressive average client engagement duration of 6.8 years. Established in 2005, the company operates with exceptional engineering talent through hybrid, onshore and offshore models.
With over 110 successful project deliveries, GoodCore provides tech advisory services and skilled engineering talent with flexible engagement options.
Throughout the entire project lifecycle, its management team remains actively involved, ensuring team alignment, quality communication and overall client success.
Minimum Project Size: $25,000
Hourly Rates: $25–$49
Founded: 2005
Employees: 50–249
Services: Custom Software Engineering, IT Strategy Consulting, Business Consulting, Web Development
Industries: Business Services, Education, Medical, Financial Services, Manufacturing, Transport
Top Clients: GC Business Finance, One Golf Network, SWIFT, Winchester University
Location: United Kingdom, Pakistan, Malaysia
9. Magora
Magora aims to assist businesses in various industries and of various scales to reach new heights and objectives through tailored software and applications.
Over a decade of operation, the company’s leaders have assembled a proficient team of 150 employees specialising in the development of mobile applications for iOS and Android, alongside the highest quality web development services in the UK.
Noteworthy clients include Motorola, Toyota, Unilever, Danone, HP and Cisco.
Minimum Project Size: $25,000
Hourly Rates: $25–$49
Founded: 2010
Employees: 50–249
Services: Custom Software Engineering, AI Development, Mobile Application Development, Web Development
Industries: Medical, Education, Financial Services, Hospitality, Real Estate, Supply Chain
Top Clients: Toyota, Royal College of Art, Cisco, Vileda, Danone, Unilever
Location: United Kingdom, USA, Australia
10. Innovify
Innovify is a London-based digital product design and software development studio. With a history spanning almost 13 years, the company has supported clients in various sectors, including BBC, ARM, PayZilch, Gener8 and ARMD, in the creation of well-regarded digital products.
The company proudly possesses vast experience in developing MVPs and scaling technology for billion-dollar unicorn start-ups right from their inception.
Minimum Project Size: $25,000
Hourly Rates: $50–$99
Founded: 2011
Employees: 50–249
Services: Custom Software Engineering, UX/UI Design, AI Development, Mobile Application Development, Web Design, Web Development
Industries: Retail, Hospitality, Media, Consumer Products, Education, Real Estate
Top Clients: ARM INC, Vonage, British Council, BBC, Landbay, PayZilch
Location: United Kingdom, USA
11. Imobisoft
Established in 2007 by two friends who recognised the opportunities in mobile applications development, Imobisoft has evolved into a comprehensive provider of automation solutions and custom software development services in the UK.
As a rapidly expanding company, it brings over a decade of experience in delivering complete solutions. Imobisoft’s skilled team focuses on digital products that optimise internal operations, utilising analytics and automation tools to enhance customer experiences and reduce costs for its partners.
Minimum Project Size: $10,000
Hourly Rates: $50–$99
Founded: 2007
Employees: 10–49
Services: Custom Software Engineering, Application Management & Support, Mobile Application Development, BI & Big Data Consulting, Web Development
Industries: Medical, Utilities, Manufacturing, Energy, E-commerce
Top Clients: NHS, BSkyB, E-Energy, Northern Gas Networks
Location: United Kingdom
12. Studio Graphene
Established in 2014 by a former management consultant, Studio Graphene was founded with a straightforward objective: create a digital product studio to dispel the myth that digital innovation is intimidating, costly and sluggish.
Today, Studio Graphene specialises in designing and constructing digital products using AI technologies, and its team, comprising over 130 professionals, includes strategists, designers, engineers and product managers.
The company is headquartered in London, with studios located in Delhi, Lisbon and Geneva.
Minimum Project Size: $10,000
Hourly Rates: $50–$99
Founded: 2014
Employees: 50–249
Services: AI Development, Custom Software Engineering, Mobile Application Development, UX/UI Design, Generative AI
Industries: Business Services, Consumer Products, Financial Services, Education, Hospitality, Utilities, E-commerce
Top Clients: Diageo, Nesta, Mars, Canopy, Frolo, OrderPay, Coca-Cola
Location: United Kingdom, Portugal, India, Switzerland
13. Instil
Instil is a software engineering consultancy located in Belfast. Established in 2005, its primary offerings encompass cloud migration, modernisation, and top-notch training and mentoring.
Currently, Instil comprises a diverse team of engineers, designers and educators, committed to making a positive impact and fostering beneficial change.
Instil also holds the distinction of being an AWS Select Consulting Partner and was honoured as the Digital DNA Company of the Year in 2022.
Minimum Project Size: $50,000
Hourly Rates: $100–$149
Founded: 2005
Employees: 50–249
Services: Cloud Consulting & SI, Custom Software Engineering, Enterprise App Modernisation, Mobile Application Development
Industries: Information Technology, Financial Services, Telecommunications, Retail
Top Clients: BMW, American Express, PWC, Atlassian
Location: United Kingdom
14. Tech Alchemy
Situated in Shoreditch, London, Tech Alchemy is a well-known agency specialising in software design and development. Notably, the company has played a key role in assisting multiple start-ups, aiding them in securing over £100M in funding through the creation of MVPs and prototypes.
With a focus on blockchain and AI, Tech Alchemy specialises in crafting genuinely innovative products.
Standing alongside industry giants like Amazon and Meta, the company is part of a select group that possesses a skilled team of blockchain programmers.
Minimum Project Size: $25,000
Hourly Rates: $25–$49
Founded: 2016
Employees: 50–249
Services: Blockchain, Web Development, Mobile Application Development, Custom Software Engineering
Industries: Consumer Products, Financial Services, Hospitality, Advertising, Real Estate
Top Clients: Ocean Bottle, TOAD.ai, MyBricks, Moviecoin, Mercore, House of Crops
Location: United Kingdom
15. Altamira
Altamira takes pride in providing solutions that make a substantial impact on the growth and productivity of its clients.
With proficiency covering both product and technology development, it aims to provide cost-effective solutions while maintaining high-quality standards.
For Altamira’s team, software is more than just code – it symbolises a solution delivered considerately by those who prioritise people, value quality and are strongly committed to ensuring the clients’ success.
Minimum Project Size: $75,000
Hourly Rates: $25–$49
Founded: 2011
Employees: 50–249
Services: Custom Software Engineering, AI Development, Mobile Application Development, Web Development
Industries: Financial Services, Medical, Real Estate, Retail, E-commerce, Government, Information Technology
Top Clients: Novartis, Boehringer Ingelheim, VUB Banka, Pfizer, RedCloud, Union, KantarHealth
Location: United Kingdom, Ukraine
16. GCD
Established in 1999, GCD embarked on a mission to revolutionise software solutions for businesses. Its aim remains unchanged: to replace mundane, off-the-shelf digital solutions with meticulously crafted custom software products and platforms that exceed expectations.
With over two decades of expertise in custom software development, its dedicated team is still committed to fostering growth and realising what initially may seem unimaginable.
Minimum Project Size: $100,000
Hourly Rates: $100–$149
Founded: 1999
Employees: 50–249
Services: Custom Software Engineering, UX/UI Design, Mobile Application Development, Web Development
Industries: Business Services, Information Technology, Consumer Products & Services, Manufacturing, Non-profit
Top Clients: Coca-Cola, CDE, Independent.ie, FaneValley, Belfast Telegraph, MediaHuis
Location: United Kingdom, Ireland
17. SENLA
SENLA is a rapidly expanding company specialising in tailored software development. With over a decade of experience, SENLA has effectively delivered over 350 projects across various industries including FinTech, Healthcare and Manufacturing.
Its commitment to meticulous quality control, punctual delivery and a lifetime warranty has resulted in over 90% of its clients choosing to continue their regular business collaborations with SENLA.
Minimum Project Size: $10,000
Hourly Rates: $25–$49
Founded: 2012
Employees: 250–999
Services: Custom Software Engineering, IT Staff Augmentation, Application Testing, IT Managed Services, Mobile Application Development, Web Development
Industries: Financial Services, Medical, Education, Manufacturing, Transport, Telecommunications
Top Clients: Abbott, Bayer, Accenture, WePay, Bosch, IKEA, Schlumberger, Wargaming
Location: United Kingdom, Croatia, Poland, Israel
18. Yojji LTD
Yojji stands among the leading UK software development agencies. Formed in 2017 by three software engineers who shared a collective vision, Yojji excels in mobile and web development, microservices and cloud solutions.
With the ability to create customised software products suited to different industries and budgets, Yojji places a key emphasis on the healthcare sector and start-up development.
Minimum Project Size: $100,000
Hourly Rates: $25–$49
Founded: 2017
Employees: 50–249
Services: Custom Software Engineering, Web Development, Enterprise App Modernisation, Mobile Application Development
Industries: Medical, Financial Services, Legal
Top Clients: Valapay LTD, OSU LTD, Mabbly, Mrs Wordsmith Limited, ROAR INC, Avenue
Location: United Kingdom, USA, Ukraine, Netherlands
19. BN Digital
BN Digital is a design and strategy company specialising in creating aesthetically pleasing digital products, brands and experiences.
Leveraging extensive experience gained from working with major consulting firms, including those in the Big Four, the company possesses a deep understanding of how businesses evolve.
Through the company’s collaborations, more than 580 businesses have successfully launched new digital products and rejuvenated their platforms.
Minimum Project Size: $10,000
Hourly Rates: $50–$99
Founded: 2018
Employees: 50–249
Services: Custom Software Engineering, UX/UI Design, Web Design, Web Development
Industries: Financial Services, Real Estate
Top Clients: Visa, Cambridge University, Snap, Microsoft
Location: United Kingdom, USA
20. Atomic
Atomic is a prominent software development partner specialising in creating digital products for mobile, web and connected platforms.
With its workforce based in three UK offices, the company has been at the forefront of digital product innovation for more than twenty years, focusing on UX design, mobile apps and web technology.
Atomic ensures that each project is approached with the utmost professionalism and expertise, thanks to its skilled team of developers and IT specialists.
Minimum Project Size: $50,000+
Hourly Rates: $50–$99
Founded: 1999
Employees: 50–249
Services: Mobile Application Development, Web Development, Custom Software Engineering, UX/UI Design, Digital Strategy
Industries: Hospitality, Manufacturing, E-commerce, Financial Services, Information Technology, Legal
Top Clients: Vodafone, JCB, Center Parcs, Rolls-Royce, Scania
Location: United Kingdom
Final Thoughts
The United Kingdom is often praised for its strong commitment to traditional approaches and reliability in various aspects of life, including work practices and societal values.
If your business is in search of a reliable partner who values your time, trust and vision, consider exploring the offerings of our custom software development company.
Computools’ industries span a wide range, covering everything from finance to energy and transportation.
Here are some of our key services:
• Digital Transformation
• Data & Analytics
• Modernisation
• Sustainability
• Technology Advisory
• Software Reengineering
• Start-up Software Engineering
• Partnership for IT Vendors
• Agile Delivery Squad
• Flexible Team Extension
• Platform & Product Engineering
• Web Development
• Mobile App Development
• Performance Optimisation
• UX/UI Design
• Solution Architecture
• Software Testing
Computools’ subject matter experts offer clients the opportunity to tap into a knowledge base shaped by numerous specialists with extensive experience in various industries.
As a partner in technology development, we acknowledge the social and environmental responsibilities we hold. In our operations, we adhere to the best eco-friendly practices and integrate sustainable technology solutions as a fundamental aspect of our work.
In our case studies, we offer detailed insights into Computools’ communication frameworks, philosophy and approaches, providing a better understanding of the company’s capabilities.
Wondering how Computools can contribute to your business success? Don’t hesitate to contact us at info@computools.com and schedule a consultation with our specialists.
Computools
Software Solutions
Computools is a digital consulting and software development company that delivers innovative solutions to help businesses unlock tomorrow.
“Computools was selected through an RFP process. They were shortlisted and selected from between 5 other suppliers. Computools has worked thoroughly and timely to solve all security issues and launch as agreed. Their expertise is impressive.”