22 IT Companies in London to Know – Built In

The U.K.’s ‘Silicon Roundabout’ vies for the world title in tech.
London is considered a top tech hub of Europe, thanks to a concentrated talent pool, its rich startup and scale-up ecosystem and its position as a global financial center. In fact, the United Kingdom’s capital city is worth more than $600 billion, earning the nickname ‘Silicon Roundabout.’
Its easy public transport, walkability, networking events and high volume of job opportunities attract thousands of industry professionals every year to work for some of London’s top IT and software companies, like the ones listed below.
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Launched in 2004, Lansweeper developed a comprehensive IT platform and over the years has expanded to multiple markets. Its platform provides full visibility of a company’s assets that access its network, including computers, IoT devices and software. At any given time, the platform sweeps for potential network threats and inventories assets. 
Lansweeper Is Hiring | View Open Roles
Headquartered in London, Simply Business is an insurance brokerage for small-business owners. It offers specialized products like tools and business interruption insurance. To provide better coverage and value for its customers, Simply Business is a fully digital platform that uses tech and data to simplify the insurance procurement process. 
Simply Business Is Hiring | View Open Roles
Headquartered in India, Infosys is a multinational IT services firm that delivers business consulting, IT and outsourcing services to more than 1,800 clients across 50 countries. The company’s cloud-based, AI-driven approach to digital transformation spans blockchain, data analytics, app development and mainframe modernization. Founded in 1981, Infosys employs about 300,000 industry professionals worldwide, and is worth $72 billion by market capitalization.
Infosys is Hiring | View Open Jobs
Hyperlink InfoSystem is a mobile app development and software solutions company that has deployed thousands of apps and websites as well as emerging tech projects across blockchain, artificial intelligence, virtual reality and internet-of-everything products. Globally, the company has accrued more than 110 million app downloads and a client base that includes Google, Disney and Viacom.
Hyperlink InfoSystem is Hiring | View Open Jobs
Vention is a software development company with a talent pool of over 3,000 industry professionals. Operating out of more than 20 global offices, the New-York-based firm specializes in building scalable AI, cloud, blockchain, Internet-of-Things, big data and cybersecurity products for a client base of startups and Fortune 500 companies alike. 
Vention is Hiring | View Open Jobs
Founded in 2019, Limeup is a UX design and software development company that offers tailor-made digital solutions across a number of industries, from fintech and gaming to healthcare and education. With an in-house team made up of mid-to-senior ranking specialists, the firm has delivered more than 100 projects to its international client base.
Limeup is Hiring | View Open Jobs
Fueled is a digital transformation agency and tech consultancy that strategizes, designs and develops full-stack products. This includes mobile apps and websites, front-to-back-end and middleware solutions, architecture consulting and cybersecurity setup. To date, the $10-billion-in-revenue company has launched projects for household names including Apple, IBM and Google.
Fueled is Hiring | View Open Jobs
Triare is an IT services firm that builds native and cross-platform mobile apps and customized websites. It also provides UX and UI design services depending on a client’s needs, whether it be auditing an existing website or developing new workflows and interfaces, and full-cycle software testing. 
Triare is Hiring | View Open Jobs
Shinetech Software is a software development agency that offers systems integration, solution delivery services and round-the-clock assistance. Each of Shinetech’s developers have three to 15 years of experience in their respective fields, which span frontend, backend, mobile, CMS, eCommerce, cloud and data management. Founded in 2001, the company has completed projects for brands like BMW, Bosch and the National Health Service. 
Shinetech Software is Hiring | View Open Jobs
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CoderBot is a software development firm that offers customizable APIs for embeddable, customer-service-related chat bots. The company also trains machine learning models, develops mobile, web and IoT device-related apps and provides consulting services. 
CoderBot is Hiring | View Open Jobs
Timspark offers IT services and consulting as well as full-cycle product development. Through Timspark, clients may choose to hire pre-configured teams of DevOps professionals to carry a project over the finish line, a more long-term solution where the developers stay engaged with a project after it’s completed or an augmented approach that combines Timspark’s on-demand developers with a company’s in-house team for a short period of time at any point within a project’s development.
Timspark is Hiring | View Open Jobs
Headquartered in London, TWC IT Solutions streamlines business operations for more than 300 companies citywide with its wide-ranging portfolio of tech solutions. In addition to basic IT support, system integrations and web design, the company provides connectivity and cybersecurity services, contact centers, disaster recovery and unified communication solutions available in industry-specific IT packages.
TWC IT Solutions is Hiring | View Open Jobs
Offshore IT firm Dotsquares delivers mobile and web applications, strategic marketing and support services from six global offices. Founded in 2002, the company has since completed projects for thousands of clients, including Honda, AirBnB and the National Health Service.
Dotsquares is Hiring | View Open Jobs
Itransition is a global software development agency that assists businesses, from startups to enterprise-grade companies, with their digital transformation. Its services include app development, product engineering, end-to-end BPM solutions, data analytics, and intelligent automation. Founded in 1998, the company has completed over projects for clients like Ebay and PepsiCo. 
Itransition is Hiring | View Open Jobs
Based in Poland, Apptension is a creative software house that specializes in designing, building and launching digital products. Its team has expertise in product, web and mobile development, as well as creating immersive digital experiences using emerging tech, like augmented and virtual reality, for startups, enterprises and agencies. The company has completed more than 300 projects since its start in 2012. 
Apptension is Hiring | View Open Jobs
Pwrteams is an Eastern European-based IT services company known for building cross-border IT and engineering organizations that help businesses scale up. To date, over 200 teams have been built across 17 countries. The company also provides on-demand quality assurance testing and a dedicated lab specifically designed to support mobile projects from its brainstorming stage through post-delivery. 
Pwrteams is Hiring | View Open Jobs
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CSSChopper is a web development firm that offers end-to-end services at fixed costs. Its team shares expertise in frontend, design to code, CMS, ecommerce and migration services. With thousands of projects completed since its start in 2009, CSSChopper allows its clients, which include Coca Cola and HP, to hire its developers on an hourly, weekly, monthly or yearly basis. 
CSSChopper is Hiring | View Open Jobs
Eleks is an IT company that delivers custom software development, product design, quality assurance and consultancy services to hundreds of clients worldwide. Founded in 1991, its team of specialists has helped companies of all sizes complete projects across a variety of industries, from logistics and fintech to agriculture and healthcare. 
Eleks is Hiring | View Open Jobs
IT consulting firm Intellectsoft helps companies launch projects, adopt emerging tech and switch to digital-first strategies. Since 2007, the software solutions provider has helped companies future-proof their business by building tailor-made solutions — spanning AI, blockchain, IoT and mobile applications — and scale delivery capacity with its auxiliary team of developers. 
Intellectsoft is Hiring | View Open Jobs
Maxima Consulting offers IT consulting, managed services and digital solutions. The company’s developers have produced thousands of projects, leveraging its own cloud infrastructure management platform, AppZ. Other focuses for the US-based agency include information security as well as automation.
Maxima Consulting is Hiring | View Open Jobs
SiliconMint is a software development and IT services company with its own code-free app creation platform, MintData, designed to accelerate app development. Consulting, staff augmentation, product engineering and UI and UX design are also offered, with highlighted expertise in cloud app, .net and java development as well as systems migration and software project rescue. 
SIliconMint is Hiring | View Open Jobs
Headquartered in Latvia, Snotor is an international software development firm with more than 400 projects in its portfolio. With a focus on fintech and e-commerce, Snotor delivers custom digital products and solutions for startups and enterprise-level businesses, offshore team augmentation, proof of concept testing as well as UI and UX design services.  
Snotor is Hiring | View Open Jobs


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