Hundreds of thousands of IT companies call the United Kingdom home, providing diverse services aimed at helping businesses all over the world maintain and optimize their technology operations. Bringing expertise in everything from artificial intelligence to cybersecurity, these are just some of the companies at the forefront of the U.K.’s vibrant IT sector.
Top IT Companies in the UK
- Lansweeper
- LeanIX
- Accenture
- IBM
- Zoom
- BJSS
- Matillion
Top IT Companies in the UK
Global company commercetools makes a platform that businesses can use to quickly design, build and deploy digital shopping experiences that feature streamlined checkout journeys and tailored product promotions. Its technology has uses for brands from a variety of industries, including food, fashion, healthcare and telecommunications.
Origami Risk offers risk and insurance management software. Its technology leverages databases, cloud computing data analytics and related IT functions to help enterprise organizations efficiently manage their risk-related data and processes. The company serves clients in industries spanning government, healthcare, construction, insurance, retail, manufacturing and more.
Lansweeper is an IT company helping clients manage and protect their network assets and internet devices. Through its platform, users can inventory their devices and store a wide range of data like individual IP addresses and model numbers. The company also inventories its software frequently to ensure it complies with company standards.
Videoconferencing giant Zoom has largely cornered the remote work and education sectors since the Covid-19 pandemic. Beyond its eponymous virtual meeting feature, the company also offers an appointment scheduling tool, chat functionality and an online whiteboard for sharing notes — not to mention an AI assistant that can help users draft emails, summarize meetings and brainstorm. The California-based company has been growing its presence in the UK over the last several years, and opened a large new “engagement hub” in London in 2023 for its 200 employees here.
BJSS is Leeds-based IT and engineering consulting firm that mainly works with clients in the energy and utilities, financial services, health and retail industries, helping them to implement cloud infrastructure, AI, automation and data in new ways. The company has won several awards over the years, including the Queen’s Award for Enterprise, one of the world’s most distinguished business awards that celebrates UK enterprises. BJSS has dozens of offices throughout the UK, as well as locations across the United States, Europe and Australia.
Qualtrics uses data collection and analysis strategies to measure and adjust employee and customer experiences. The company offers survey-based toolkits for businesses to solicit feedback on their customers’ interactions with products, digital assets and team members. It aims to improve how customers react to products, services and their overall experience with a company. The company has its UK office in London.
Exabeam develops cloud AI cybersecurity solutions for services that include utilities, financial and healthcare industries. The platform uses AI to automate administration tasks, threat detection and incident responses. The company has an office in Maidenhead.
Klaviyo offers a platform to help e-commerce companies unlock insights into analytics that help them increase sales and reach new audiences. It features segmented customer data and many integrations that allow Klaviyo to boost businesses in any industry and of any size. The platform can also help a brick-and-mortar store take their business online. The company has its London office in the South Bank area.
Dynatrace’s software platform combines observability, business and security data at scale to capture and retain full-stack data context. Its solution leverages hypermodal AI, generative AI and causal AI to provide automation capabilities that allow teams to optimize their cloud operations and deliver software faster. Its Dublin office focuses on application security and observability solutions.
LeanIX makes SaaS products for enterprise architecture management. Its offerings allow client companies to integrate and manage every aspect of their IT and business process structures, from merging legacy and modern software to integrating products from various vendors. LeanIX offers a single view of the truth, enabling businesses to leverage automations and manage important processes.
Data productivity company Matillion enables companies to pull data from various sources on the cloud, store it in their own data warehouses and process it into actionable insights using the extract, load, transform (ETL) method. Its platform also incorporates generative AI, allowing users to query their data in plain language and automatically create documentation on their data. Thousands of enterprises, including Cisco, Slack and DocuSign, use Matillion to move, transform and automate their data. The company is dual-headquartered in both Colorado and Manchester, where it has a headcount of about 300 people.
Recognized by Fortune as the world’s most-admired IT company, Accenture is a global leader in a wide range of digital services, as well as tech consulting. The Dublin-based firm’s expertise includes cloud services, cybersecurity and software development, helping businesses across more than 120 countries improve their operations and technology. With a global headcount of more than 700,000 people, Accenture is the largest employer on this list, with more than a dozen offices throughout the UK and Ireland.
PagerDuty is a digital operations management platform used across various sectors, providing enhanced visibility and solutions for incident management and system monitoring. With over 700 integrations available, PagerDuty supports efficient digital operations for globally recognized brands like Zoom, DoorDash and Peloton. The company operates offices all over the word, including one in London.
Born out of a love for fantasy sports, DraftKings’ portfolio of digital products is designed to entertain and engage sports fans. The company operates platforms for sports betting and participating in fantasy sports contests in addition to offering a broad range of online casino games that includes table games like blackjack, roulette and baccarat.
Founded in 1911, IBM is one of the oldest and largest tech companies in the world, providing infrastructure, software and IT consulting services to companies of all sizes. It started out manufacturing technology like tabulating equipment and clock card machines, and is now best known for its computers, servers, data storage systems and networking equipment — as well as innovations in emerging tech like quantum computing and artificial general intelligence. While it is headquartered in New York, IBM has 125 offices throughout the UK, employing more than 20,000 people.
Smartly, trusted by brands like Uber and eBay, is an AI-powered marketing technology company specializing in social media advertising. Through its platform, Smartly automates campaign management and creative production, leveraging AI and data to optimize advertising strategies across various channels. The company has locations all over the U.S. and Europe, including an office in London.
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