Explore the Top Cyber Security Companies London in 2024

cyber security companies london 2023

In the digital age, the importance of cyber security cannot be overstated. With cyber threats evolving alarmingly, businesses constantly race to protect their data and systems. But who can they turn to for help in this daunting task? London’s cybersecurity companies offer expert solutions to safeguard businesses from potential threats.

  • Explore London’s top cyber security companies for 2023, offering comprehensive solutions to protect businesses from malicious threats.
  • Leading firms including Cyphere, NCC Group, Big 4 Companies
  • Take advantage of free consultations with Cyphere’s security consultants to address cybersecurity worries and strengthen your security posture. This includes free cyber essentials with IT security health check or free consultation, whichever adds value to your time.

Top Cyber Security Firms in London

The cyber security market in London has been a hive of activity for several years, with a rich history rooted in the city’s status as a global hub for business and technology. The emergence of cyber threats in the digital age has led to a surge in demand for cyber security solutions, propelling London to the forefront of the industry. Companies in the city have been instrumental in developing innovative strategies and technologies to combat an ever-evolving landscape of cyber threats.

cyber security companies  london 2023

Tracing back the history of cyber security companies in London, one can see a steady growth that mirrors the increasing complexities of the digital world. From the early days of simple antivirus software to today’s sophisticated multi-layered defence systems, London’s cyber security companies have been at the cutting edge of combating cybercrime. This growth has been driven by a combination of factors, including the city’s robust financial sector, a strong talent pool, and supportive government policies, making London a leading light in the global cyber security scene.

UK as a Cyber Security Export Hub

The United Kingdom has become a hotbed for cybersecurity innovation, thanks to its thriving startup culture. This environment has fostered the development of cutting-edge technologies and solutions that are being exported around the globe. The proactive approach of these startups, combined with the country’s strong regulatory framework and government support, has positioned the UK as a leading exporter of cybersecurity solutions. This strengthens the country’s economy and contributes to improving global cybersecurity standards.

Cyber Security Consulting Companies

In addition to providing robust cybersecurity services, many cybersecurity companies also offer consulting services. Companies such as PWC, Darktrace, FortySeven Software Professionals, Becrypt, TWC IT Solutions, and HelpDesk Heroes are among London’s top cybersecurity consulting companies. These companies offer expert advice and tailored solutions to meet your business’s unique security needs.

PWC, one of the Big 4 companies, is known for offering consulting services, risk analysis, and incident response in the realm of cyber security. They provide a combination of proactive and preventative cyber security solutions designed to recognise potential risks and suggest ways for companies to enhance cyber resilience.

Then we have forty-seven Software Professionals, a European-based IT consulting and full-cycle software development company specialising in digital transformation. And let’s not forget about Becrypt, a firm that excels in endpoint and mobile products and services, including enterprise mobility management. These firms bring a wealth of experience and a deep understanding of the latest threats, ensuring that your business is well-equipped to deal with any cyber challenges that may arise.

Cyphere – CREST-approved pentesting, cyber security and managed services provider

Cyphere is a UK-based cyber security services provider that offers cyber security audits, technical risk consulting services, and managed cyber security services to fintech, insurance, retail, eCommerce, local governments, healthcare, housing and social care sectors.

cyber security companies  london 2023

This CREST-accredited cyber security services provider offers technical risk assessment (penetration testing/ethical hacking) and managed security services to help organisations safeguard their most valuable assets. Having the CREST approval demonstrates Cyphere’s commitment to delivering the highest standard of cyber security services.

A free consultation call or free Cyber Essentials?

To help you navigate the complex cyber security landscape, Cyphere offers a free consultation call with their security consultants. This call allows you to address your cybersecurity worries and obtain advice on enhancing your security posture. The call includes briefings, guidance, and information exchange.

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Box-ticking approach to penetration tests is long gone. We help you identify, analyse and remediate vulnerabilities so you don’t see the same pentest report next time.

To schedule a free consultation call with Cyphere’s security consultants, you can contact us by clicking here: https://thecyphere.com/company/enquiries/

NCC Group

Next on the list is NCC Group, a global managed business specialising in cyber security, headquartered in Manchester, UK and present across multiple continents. It provides software escrow and verification, security testing, and penetration testing services.

Further, the NCC Group also offers various services like security consulting, penetration testing, incident response, and compliance management services through its ITC Secure brand. With CREST and ISO 27001 certifications, ITC Secure assures the highest standards in cyber security services.


Another major player in the cyber security arena is Akamai. Known for being a content delivery network (CDN), Akamai also provides a range of cyber security solutions. They provide an extensive range of products. These include Content Delivery Networks (CDNs), Security Gateways, Endpoint Protection Solutions, Cloud Security Services, and Worldwide Reputation Management.

Akamai’s services are designed to improve Web, Mobile and Media performance while protecting your online assets.

Big 4 companies (PWC, KPMG, EY, Deloitte)

The Big 4 companies – PWC, KPMG, EY, and Deloitte – are also making their mark in the field of cyber security consulting. They provide various services, including risk assessments, strategy development, and compliance management. Their global reach and broad spectrum of services make them ideal for businesses seeking comprehensive cybersecurity solutions. Their wealth of experience and proficiency in the field can be invaluable when safeguarding a company’s data and systems.


Sophos is a prominent cyber security provider. It offers various cybersecurity solutions, including malware detection and removal, data security monitoring and management, and rootkit removal and protection. Other solutions include active attack response, web application firewalls, virtual private networks, and intrusion prevention systems. They are also known for their real-time detection of zero-day threats, ensuring businesses can handle the latest threats emerging.

Sophos’s services are designed to offer end-to-end protection for your business.

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Fortinet, a leading cybersecurity company, provides various security solutions like firewalls. Their goal is to assist businesses in combating cybercrime, safeguarding data, and minimising security risks.

Fortinet offers various solutions to secure your system, such as FortiGate firewall, FortiWiFi wireless security and iCloud cloud services. Apart from these, they also have other products like firewalls. These services are designed to protect your business’s cyber infrastructure.


BAE is a company that provides consulting services, emergency response, penetration testing, and compliance solutions in the realm of cyber security. Their primary goal is collaborating with clients to anticipate and respond to cyber-attacks and minimise risk.

Whether it’s government agencies or an increasing number of commercial clients, BAE’s cyber consulting services and solutions are being sought by global enterprise organisations both in public sector and commercial side. BAE has established itself as a leader in the field of cybersecurity.


Becrypt, a respected endpoint cybersecurity software solutions provider, specialises in endpoint encryption. They offer a selection of data protection solutions to ensure the security of your business’s sensitive information.

Based in London, Becrypt’s focus on endpoint cybersecurity ensures that your business’s sensitive data remains secure, no matter where it is accessed from. Their services are designed to offer comprehensive protection for your business’s data on every endpoint.


Clearswift’s core speciality is data loss prevention for email, web, and cloud applications. They offer a range of cyber security solutions, including data loss prevention for email, web, and cloud applications.

Clearswift’s DLP solutions safeguard a company’s data from potential malicious threats while ensuring compliance with data privacy and protection regulations. Their focus on data loss prevention ensures that your business’s sensitive information remains secure.


Trustwave, a premier cybersecurity and managed security services provider, offers a slew of services to combat cybercrime and minimise security risk. They offer managed detection and response, threat detection, managed security services, consulting and professional services, database security, and email security.

Trustwave serves many organisations, from small and medium-sized businesses to large enterprises and government agencies. This allows them to bring a broad spectrum of experience to the table to deal with various cyber threats.

Swivel Secure

Swivel Secure is an award-winning multi-factor authentication platform that provides tokenless and token-based secure one-time password solutions. They offer two-factor authentication and security solutions for various platforms and IoT devices.

Swivel Secure’s multi-factor authentication platform has been recognised with several awards, demonstrating its commitment to delivering the highest standard of security services. Their global presence ensures that they can offer their services to businesses worldwide.


Wandera, a London-based cybersecurity company, specialises in mobile security solutions for the endpoint and network. One of its services, Secure Mobile Gateway, can help you safeguard your business’s mobile devices and data. Their Secure Mobile Gateway is an advanced combination of cloud and application-based security measures that offers comprehensive security against device, app, network, and content risks. With Wandera, you can ensure that your business’s mobile devices are protected from a wide range of cyber threats.

Know your unknowns and remediate your weaknesses

In the world of cybersecurity, there are many unknowns – zero-day threats, emerging vulnerabilities, new attack behaviours that are not yet detected by existing security measures, and unknown unknowns. These unknowns can pose significant risks to your business’s cyber security.

To mitigate these risks, it’s essential to identify and address your business’s cyber security weaknesses. Regular security assessments, implementing security best practices, and engaging with a reputable security consultant like Cyphere can help you stay ahead of these unknowns.


We’ve delved into various cyber security consulting companies and their services – from network security and managed services to data protection and risk management – and how they can help businesses protect their data and systems from cyber threats.

The ever-evolving nature of cyber threats means that businesses must be proactive in their approach to cyber security. Businesses can protect their data and reputation by working with reputable cybersecurity firms. These firms can provide the knowledge and tools needed to defend against cyber threats.

Frequently Asked Questions

What is the best company to work in cyber security?

Sophos and Proofpoint are excellent choices for working in a dynamic and well-respected cybersecurity environment.

Nozomi Networks, NCC Group, SentinelOne, Deep Instinct, Perimeter 81, Expel, SailPoint, WatchGuard Technologies, Area 1 Security, BigID, Claroty, KnowBe4, Akamai and Microsoft also make the list of top 42 cybersecurity companies in 2023.

Is the UK good for cyber security?

The UK is an excellent choice for cyber security studies, with its universities consistently ranking among the top 10 in the world. Courses available range from short to advanced levels.

How many cybersecurity companies are there?

According to IT-Harvest Dashboard, the largest cybersecurity vendor database, there are 3231 security providers across 17 categories.

ResearchGate estimates that there are around 50,000 cybersecurity firms worldwide, including 4,500 security consulting firms.

Who are some of the top cybersecurity firms in London?

Some of London’s top cyber security firms are Cyphere, NCC Group, ITC Secure, Urban Network, and Crossword Security.

What services do these cyber security firms offer?

Cyber security firms offer various services, such as network security, managed services, data protection, and risk management.

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