Top 10 IT firms in London
London, one of the world’s leading financial and technological hubs, is home to a dynamic and rapidly growing information technology (IT) sector. The city boasts a wide range of IT firms that cater to various industries, providing cutting-edge solutions in software development, cybersecurity, cloud computing, and data analytics. These firms not only drive technological innovation but also contribute significantly to the global tech landscape. In this article, we will explore the top 10 IT firms in London, highlighting their expertise, services, and contributions to shaping the future of technology. Choose Pajasa Service Apartments in London for a comfortable and convenient stay during your business trip.
Top 10 IT firms in London
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Accenture
1.Top IT Firm in London by PAJASA
Accenture is a leading global professional services company with a strong presence in London. Specialising in consulting, technology, and operations, Accenture helps organisations transform their businesses through cutting-edge solutions. The London office is a hub for innovation, offering expertise in artificial intelligence, cloud computing, cybersecurity, and digital transformation.
Accenture works with diverse clients, from startups to multinational corporations, across industries such as finance, healthcare, and retail. The company’s focus on sustainability and inclusivity is evident in its projects aimed at driving social and environmental impact.
In London, Accenture operates its Innovation Hub, where clients collaborate with experts to explore and implement next-generation technologies.Known for fostering a culture of continuous learning, Accenture provides employees with ample opportunities to upskill and grow.With its commitment to excellence and innovation, Accenture continues to be a key player in shaping the future of businesses in London and beyond.
Serviced Offered:
• Strategy Consulting
• Technology Solutions
• Industry X Services
• Innovation Workshops
• Sustainability and ESG Solutions
Address:
• 30 Fenchurch St, London EC3M 3BD, United Kingdom
• 150 Minories, London EC3N 1LS, United Kingdom
• Chancery Exchange, 10 Furnival St, London EC4A 1AB, United Kingdom
• The White-Collar Factory, 1 Old Street Yard, London EC1Y 8AF, United Kingdom -
ThoughtWorks
2.Top 10 it Companies in London by PAJASA
ThoughtWorks, a global technology consultancy, has a strong presence in London, offering cutting-edge solutions to complex business challenges. Known for its agile development methods and a commitment to open-source technology, ThoughtWorks partners with organizations to deliver customized software and innovative digital transformation strategies. Explore Top 10 Business locations in London for IT firms to boost your company’s growth and networking opportunities
The London office hosts skilled tech experts solving industry challenges in finance, healthcare, retail, and transport. Using AI, machine learning, and cloud, ThoughtWorks helps businesses stay ahead in a fast-changing digital world.
A key aspect of ThoughtWorks’ approach is its emphasis on collaboration and continuous learning. Teams work closely with clients to co-create solutions while focusing on inclusivity and ethical practices in technology. As advocates of sustainable development, the company ensures its projects align with long-term societal and environmental goals.With its expertise and values-driven approach, ThoughtWorks London continues to play a pivotal role in shaping the future of technology in the UK and beyond. Its is top in list of top 10 it companies in London
Serviced Offered:
• Software Engineering
• Data and AI Solutions
• Customer Experience Design
• Enterprise Modernization
• Cloud Solutions
• Managed Services
• Platform Engineering
• Software-Defined Vehicles
Address: Fourth Floor, 21-22 Warwick St, London W1B 5NE, United Kingdom -
Infosys
3.Top IT Firm in London by PAJASA
Infosys, a global leader in digital services and consulting, has a strong presence in London. The company plays a pivotal role in driving digital transformation for its clients across industries. Infosys’ London office delivers innovative AI, cloud computing, and automation solutions to boost business efficiency and customer experience.
Committed to sustainability, it partners with enterprises to implement eco-friendly, cost-effective digital strategies. Its expertise spans areas such as data analytics, blockchain technology, and cybersecurity. The team in London works closely with European businesses to design bespoke solutions tailored to their specific needs.
Infosys is also recognized for its investments in talent and learning.The London office promotes continuous innovation, offering employees opportunities to upskill and work on cutting-edge projects. By combining global expertise with local insights, Infosys helps UK businesses adapt to the evolving digital landscape.
Serviced Offered:
• Digital Transformation Services
• Cloud Services
• Data and Analytics
• Consulting and Strategy
• Sustainability and Innovation
Address: 10 Upper Bank St, London E14 5NP, United Kingdom -
IBM
4.Top IT Firm in London by PAJASA
IBM, a global leader in technology and innovation, has a prominent presence in London, serving as a hub for its operations across Europe. The company is renowned for pioneering advancements in artificial intelligence, hybrid cloud computing, and blockchain technology. Discover Top Places to Live in London while on a business IT trip, offering convenience, comfort, and easy access to key hubs.
IBM’s London offices offer IT consulting, software development, and system integration. They support digital transformation with tailored solutions for finance, healthcare, and retail. IBM’s Watson AI aids data-driven decisions, while hybrid cloud solutions help organizations modernize and scale.
The London team actively collaborates with local startups, academic institutions, and enterprises to foster innovation. IBM also prioritizes sustainability, working on initiatives to promote energy-efficient technologies and green computing. Through its front-line technologies and expertise, IBM in London remains a key player in shaping the future of technology in the UK and beyond.
Serviced Offered:
• Cloud Solutions
• Artificial Intelligence (AI)
• Business Consulting
• Data Analytics
• Strategic Partnerships
Address: 20 York Rd, London SE1 7ND, United Kingdom -
Capgemini
5.Top IT Firm in London by PAJASA
Capgemini is a One of the Top 10 IT firms in London with a strong presence in London. Founded in 1967, the company specializes in a range of services, including digital transformation, technology consulting, and cloud solutions. It helps businesses innovate and stay competitive in a rapidly evolving digital world.
In London, Capgemini drives business growth using AI, data analytics, and cloud computing. They provide tailored solutions to industries like automotive, energy, healthcare, and financial services. Capgemini also specializes in cybersecurity, helping organizations protect their systems and data.
Committed to sustainability and diversity, the company initiates positive social and environmental impacts. With a global workforce and strong client relationships, Capgemini shapes the future of IT services, delivering innovative solutions for businesses in the digital age.
Serviced Offered:
• Digital Transformation
• Cloud Services
• Cybersecurity
• AI & Data Analytics
• Sustainability Consulting
Address: 40 Holborn Viaduct, London EC1N 2PB, United Kingdom -
Endava
6.Top IT Firm in London by PAJASA
Endava is a One of the Top 10 IT firms in London with strong presence. Founded in 2000, it specializes in delivering digital transformation solutions across industries such as finance, healthcare, retail, and media. Endava focuses on helping businesses adapt to the digital age by combining cutting-edge technologies with innovative strategies.
The company’s London office is a hub of creativity, fostering collaboration between skilled professionals and clients. Endava provides a wide range of services, including software engineering, application management, cloud integration, and agile consultancy. Their customer-centric approach emphasizes understanding client needs and delivering tailor-made solutions that drive efficiency and growth.
Endava’s agile methodology ensures flexibility in project delivery while maintaining high-quality standards. The company also values sustainability and corporate responsibility, actively engaging in initiatives to reduce environmental impact and support local communities.
With a reputation for excellence, Endava is a trusted partner for organizations seeking to enhance their digital capabilities and remain competitive in an ever-evolving technological landscape. It continues to expand its reach globally while maintaining a solid foundation in London.
Serviced Offered:
• Digital Strategy and Advisory
• Digital Product Acceleration
• Managed Services
• Data and Artificial Intelligence (AI)
• Enterprise IT Services
Address: 125 Old Broad St, London EC2N 1AR, United Kingdom -
Deloitte Digital
7.Top IT Firm in London by PAJASA
Deloitte Digital, based in London, is a prominent division of Deloitte that focuses on integrating creativity, technology, and strategy to deliver innovative digital solutions. This firm works with clients across various industries, helping them navigate the complexities of the digital age. Their expertise spans areas like customer experience, digital marketing, analytics, cloud solutions, and mobile application development.
A key aspect of Deloitte Digital’s approach is its emphasis on collaboration and co-creation. By working closely with clients, they design tailor-made strategies and solutions that align with business objectives. Their London team includes specialists in design, engineering, and strategy, ensuring comprehensive support for digital transformation projects.
Deloitte Digital also emphasizes sustainability and innovation. By leveraging technologies like AI, IoT, and blockchain, they help businesses drive efficiency and achieve long-term growth. Committed to delivering measurable results, Deloitte Digital shapes the future of businesses in London and beyond. Their blend of creativity and technical expertise makes them a trusted partner for digital growth.
Serviced Offered:
• Marketing and Advertising
• Customer Experience Design
• Technology Solutions
• Digital Commerce and Sales
• Data and Analytics
Address: 2 New St Square, London EC4A 3BZ, United Kingdom -
SoluLab
8.Top IT Firm in London by PAJASA
SoluLab, based in London, is a leading software development company specializing in blockchain, AI, IoT, and cloud computing. Founded in 2014, it is ranked among the Top 10 IT firms in London and has completed over 1,500 projects for 500+ clients globally. The company offers IT services like app development, UI/UX design, API integration, and enterprise solutions. SoluLab’s collaborative approach tailors projects to business needs, helping startups and enterprises achieve digital transformation.
Known for innovative solutions and timely delivery, it holds a consistent 5-star client rating. Serving industries such as healthcare, finance, e-commerce, and education, SoluLab is a versatile and trusted partner with competitive pricing.
Serviced Offered:
• Blockchain Development
• AI and Machine Learning
• IoT Solutions
• Mobile App Development
• Web Development
• UI/UX Design
• Cloud Computing Services
• Enterprise Solutions
• API Development and Integration
Address: 71-75 Shelton St, London WC2H 9JQ, UK -
Appello Software
9.Top IT Firm in London by PAJASA
Appello Software is a Top 10 IT firms in London, known for its cutting-edge solutions in software development. Established in 2015, the company specializes in creating innovative frameworks for industries such as healthcare, education, and fintech. Appello specializes in using .NET, Ruby on Rails, and CakePHP to deliver tailored solutions.
With a skilled team, they focus on understanding customer needs and providing end-to-end services like mobile app development, UI/UX design, and API integration. The company has completed over 140 successful projects and has a growing reputation for its collaborative approach.
Appello is highly rated for its ability to deliver quality solutions within deadlines.Clients value Appello for its reliable services. Headquartered in London, Appello expands its global reach and helps businesses achieve digital transformation.It exemplifies how a tech company can drive innovation and create impactful solutions across industries.
Serviced Offered:
• Mobile App Development
• Web Development
• UI/UX Design
• API Integration
• Software Testing
• Cloud Services
• Custom Software Solutions
• Consulting Services
Address: Oregon House, 19 Queensway, New Milton, Hampshire, BH25 5NN -
Commercetools
10.Top IT Firm in London by PAJASA
Commercetools is a leading Top 10 IT firms in London provider of e-commerce technology with a strong presence in London. Commercetools is known for its innovative composable commerce platform, offering a modular, scalable approach to building online stores. Using APIs, microservices, and cloud-native architecture, it helps businesses tailor digital storefronts for flexibility and performance.
Founded in 2006, Commercetools pioneered headless commerce, separating back-end logic from the front-end to enable seamless, personalized shopping across websites, mobile apps, and voice platforms. Its London office collaborates with global clients, providing advanced solutions for industries such as retail, manufacturing, and telecommunications. With a focus on agility, the company supports its partners in adapting to rapidly changing market trends.
Commercetools’ emphasis on innovation and customer-centric solutions has positioned it as a leader in the e-commerce space. The company continues to help brands transform their digital commerce capabilities, driving growth and enhancing user experiences.
Serviced Offered:
• API-First Approach
• Headless Commerce
• Cloud-Native Architecture
• Product Information Management (PIM)
• Order Management System (OMS)
• Customizable Commerce Solutions
Address: 43 Eagle St, London WC1R 4AT, United Kingdom -
Deloitte
Operating in several countries, including India, Deloitte is a global professional service company. Its services include audit, taxes, consultancy, and financial advice. Deloitte has a large presence in Gurgaon and offers several consumers IT and corporate consulting services. The company assists enterprises in managing risk, streamlining operations, and addressing issues.
Its technology division is working in cybersecurity, cloud computing, data analytics, and digital transformation. With the support of many specialists operating in Gurgaon, Deloitte helps customers in many nations including India. In Gurgaon, Deloitte has many experts assisting customers across India and beyond.
Known for its systematic method of handling corporate issues, New Yorker Consultants. Workers operate in groups and concentrate on producing outcomes that satisfy customer demands. DLF Cyber City in Gurgaon houses the office, which is a significant company centre. Deloitte embraces a culture of work that stresses ethics, teamwork, and learning. Across several sectors in India, it continues to expand its client range and offerings.
Founded: 1845
Industry: Information technology
Headquarters: London, United Kingdom
CEO: Joe Ucuzoglu
Revenue: US$64.9 billionAddress: Ambience Lagoon 2, Ambience Towers, Gurugram
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EY (Ernst & Young)
EY (Ernst & Young) is a global professional services firm with a strong presence in Gurgaon, India. The company provides services in assurance, consulting, tax, and strategy. EY supports businesses in managing risks, improving performance, and complying with regulations. In Gurgaon, EY operates from a modern office in DLF Cyber City, where it serves both Indian and international clients.
The company employs professionals from diverse backgrounds including finance, technology, and law. EY places emphasis on training and continuous learning for its employees. It also offers services in digital transformation, data analytics, and cybersecurity.
EY works with clients from industries such as banking, healthcare, and manufacturing. The Gurgaon office plays a key role in supporting EY’s global projects. The company follows strict standards to ensure accuracy and confidentiality in its work. EY continues to grow in India, contributing to the country’s business landscape through reliable and practical solutions.
Founded: 1989
Industry: Information technology
Headquarters: London, United Kingdom
CEO: Alwin C. Ernst and Arthur Young
Revenue: US$49.4 billionAddress: Ambience Lagoon 2, Ambience Towers, Gurugram
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Coforge(NIIT)
Based in India, NIIT Technologies is presently called Coforge and offers IT services. The business offers digital, cloud, automation, and data services. It emphasizes businesses in healthcare, banking, insurance, and travel. Operating in many countries, Coforge helps customers enhance their business processes with technology solutions.
Including Gurgaon, which is a major centre for its development and support groups, the company has delivery centres and headquarters in main metropolises. Following a consumer-first approach, Coforge works with customers closely to grasp their needs and offer customized information technology solutions.
Business process services, application creation, infrastructure management, and cloud migration are among its offerings. Coforge has developed long-term partnerships with worldwide customers based on ingenuity and performance emphasis.
Investing in experienced staff and new technologies inspires Coforge’s continuing expansion. Additionally, it collaborates with other technology businesses to grow its service portfolio and enhance delivery capacities.
Formerly: NIIT Technologies
Founded: 1992
Industry: Information technology
Headquarters: Noida, Uttar Pradesh, India
CEO: Sudhir Sing
Revenue: ₹9,179 croreAddress: 5th & 6th Floor, Plot No-13, Phase IV, Udyog Vihar, Sector 18, Gurugram, Haryana 122015
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Tech Mahindra
Indian multinational Tech Mahindra delivers business process services and information technology. It belongs to the Mahindra Group. Founded in 1986 and based in Pune, India is the business. Gurgaon houses delivery centres and offices assisting worldwide customers, so Tech Mahindra has a substantial footprint there.
Regarding digital transformation, network services, cloud computing, and software development, the company provides help. It provides businesses including banking, manufacturing, healthcare, and telecommunications. Across many countries, Tech Mahindra serves customers from the government to the private sector.
Tech Mahindra has thousands of staff in Gurgaon who provide technical support, application development, and consulting services. The corporation also puts money into training courses meant to enhance employee abilities. Tech Mahindra’s data security and project management adhere to universal norms. serving customers from the United States, Europe, and Asia depend in part on its Gurgaon office.
Founded: 24 October 1986
Industry: Information technology
Headquarters: Pune, Maharashtra, India
Founder: Anand Mahindra
Revenue: ₹52,912 crore
Parent: Mahindra GroupAddress: C423+99G Capital Cyberscape, Golf Course Ext Rd, Sector 59, Gurugram, Haryana 122102
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Nagarro
With a presence in London, Apptunix is a mobile app development business. It offers mobile app development, web development, and digital solution expertise. The firm serves customers in various sectors, including education, healthcare, e-commerce, and financial management. Apptunix’s main emphasis is on creating applications for Android and ios devices.
Moreover, provided after the launch are UI/UX design, application screening, support, and QA. Working together to satisfy customer demands are developers, designers, and project managers. Several initiatives have been provided by Apptunix to well-established companies and new enterprises. London serves customers regionally as well as runs foreign business initiatives.
The development process of the company includes planning, design, development, testing, and release. Its goal is to offer answers that assist customers in developing in the digital realm. Furthermore, investigating fresh technologies, including artificial intelligence and blockchain, to provide improved services, Apptunix does so. In London, it supports customers throughout the entire country.
Services Offered:
- Mobile App Development
- Web Development
- UI/UX Design
- On-Demand App Development
- E-commerce Solutions
- Blockchain Development
- App Maintenance and Support
- Quality Assurance & Testing
- Startup Product Development
Address: 372 High Holborn, London WC1V 7PB, United Kingdom
