6 Cybersecurity Companies in the UK to Know

These cybersecurity companies provide a slew of services including threat detection, endpoint monitoring and incident response.

Written by Abel Rodriguez
6 Cybersecurity Companies in the UK to Know
Photo: Shutterstock
Margo Steines | Mar 21, 2024

The United Kingdom is home to thousands of cybersecurity companies. They make up a sector contributing to public and national security while also drawing the gaze of investors. According to the U.K.’s Department of Science, Innovation and Technology, a majority of companies provide services like managed security services, network security and threat monitoring and are likely to contribute to the industry’s double-digit growth over the next many years. As the nation’s cybersecurity industry grows, these are some of the top companies already operating in that sector. 

Top Cybersecurity Companies in the UK to Know

  • Nisos
  • The Aerospace Corporation
  • CrowdStrike
  • Immersive Labs
  • Darktrace
  • Netcraft


Top Cybersecurity Companies in the UK

Nisos offers bespoke cybersecurity services through its Managed Intelligence system, which works with a client’s existing security team to create a protocol that considers when to act proactively and when to be reactive. Nisos serves corporate interests, retail brands and other businesses that rely on information security to make profits. 

Nisos Is Hiring | View Open Jobs


Although specializing in aerospace manufacturing, as its name suggests, The Aerospace Corporation also provides several cybersecurity solutions. According to the company, its cybersecurity subdivision tests the resilience of ground systems, networks and software. It also develops cyber strategies and prototypes for its customer’s space missions. 

The Aerospace Corporation Is Hiring | View Open Roles


CrowdStrike is a cloud-native cybersecurity company that protects clients from endpoint threats while identifying breaches and other cloud-related cyberattacks. It uses artificial intelligence through its CrowdStrike Falcon solutions to learn about nascent security threats and prevent similar incidents for its clients. CrowdStrike is headquartered in the United States but has expanded rapidly throughout Europe and India. 

CrowdStrike Is Hiring | View Open Roles

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Immersive Labs is a U.K.-founded cybersecurity firm providing solutions for individuals, teams and businesses. Through its platform, the company provides cloud security, candidate screening and simulation services. Immersive Labs takes a people-centric approach to security, meaning that it spends considerable effort educating employees and users about cybersecurity best practices. 

Immersive Labs Is Hiring | View Open Jobs


Using AI, Darktrace provides comprehensive cybersecurity solutions for an array of digital technologies. The company is able to protect entire networks from cloud services to email and applications. Its lineup of products includes Prevent, Detect, Respond and Heal. 

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Netcraft’s cybersecurity platform provides businesses with threat detection and takedown services. It also generates useful reports that visualize individual security threats and notifies users when it detects new attacks on a client’s network.

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