Best Cyber Security Service Companies in London

7 min
Targets we’ve achieved:
Increased US Software Development Company's annually acquired clients by 400% *
Generated 50+ business opportunities for UK Architecture & Design Services Provider *
Reduced cost per lead by over 6X for Dutch Event Technology Company *
Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
Boosted conversion rate of Ukrainian IT Company by 53.6% *
Increased US Software Development Company's annually acquired clients by 400% *
Generated 50+ business opportunities for UK Architecture & Design Services Provider *
Reduced cost per lead by over 6X for Dutch Event Technology Company *
Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
Boosted conversion rate of Ukrainian IT Company by 53.6% *
Increased US Software Development Company's annually acquired clients by 400% *
Generated 50+ business opportunities for UK Architecture & Design Services Provider *
Reduced cost per lead by over 6X for Dutch Event Technology Company *
Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
Boosted conversion rate of Ukrainian IT Company by 53.6% *
Increased US Software Development Company's annually acquired clients by 400% *
Generated 50+ business opportunities for UK Architecture & Design Services Provider *
Reduced cost per lead by over 6X for Dutch Event Technology Company *
Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
Boosted conversion rate of Ukrainian IT Company by 53.6% *
Increased US Software Development Company's annually acquired clients by 400% *
Generated 50+ business opportunities for UK Architecture & Design Services Provider *
Reduced cost per lead by over 6X for Dutch Event Technology Company *
Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
Boosted conversion rate of Ukrainian IT Company by 53.6% *
Increased US Software Development Company's annually acquired clients by 400% *
Generated 50+ business opportunities for UK Architecture & Design Services Provider *
Reduced cost per lead by over 6X for Dutch Event Technology Company *
Reached out to 13,000 target prospects and generated 400 opportunities for Swiss Sports Tech Provider *
Boosted conversion rate of Ukrainian IT Company by 53.6% *
Max Mykal
Co-Founder @ Lengreo

In today’s digital age, cyber security has become a critical concern for businesses of all sizes. With the increasing frequency and sophistication of cyber attacks, safeguarding your digital assets has never been more important. Fortunately, London boasts a thriving ecosystem of cyber security service companies, each offering unique expertise and solutions to protect businesses from online threats. In this article, we’ll explore the top cyber security service providers in London, helping you find the perfect partner to fortify your defenses and ensure the security of your valuable data.

London, being a hub for prestigious corporations, financial institutions, and government bodies, faces significant cyber threats from malicious actors seeking illegal access to sensitive information and disrupting operations. According to a report by IT Pro, cybercrime incidents in UK businesses surged by 77% in 2022, resulting in a staggering loss of over £4 billion.

Real-world events in London, such as the ransomware attack on The Guardian and the cyberattack on a Tottenham school, underscore the critical need for businesses to prioritize cybersecurity. These incidents emphasize the importance of proactive measures to safeguard against cybercrime.

Cybersecurity companies play a vital role in defending business data from malicious actors, offering services like network security, data encryption, and incident response. However, with numerous options available, selecting a trusted partner can be challenging.

To simplify the decision-making process, we’ve conducted extensive research and curated a list of the top London-based cybersecurity companies. These firms have a proven track record of effectively protecting businesses and offer a diverse range of services tailored to meet specific business needs. By choosing one of these reputable companies, you can rest assured that your sensitive information is in capable hands.

 

What to Look for in a Cybersecurity Company?

Before exploring our curated list of top-rated cybersecurity firms in the UK, it’s crucial to understand the defining characteristics of a reputable provider and how to identify them. Selecting the right cybersecurity partner requires careful consideration of a company’s experience, expertise, and commitment to delivering exceptional services. To aid in your decision-making process, we’ve outlined key factors to consider when evaluating a cybersecurity firm:

 

  • Experience: Seek a company with a proven track record in defending organizations against cyber attacks, boasting a team of professionals with diverse skills and industry expertise.
  • Services: Ensure the firm offers a comprehensive range of services to safeguard your business from various angles, including network security, data encryption, incident response, and penetration testing.
  • Technology: Opt for a company that stays abreast of the latest technology and trends in cybersecurity, ensuring your business remains protected against evolving threats.
  • Certifications: Look for certifications from reputable organizations like ISO 27001, indicating a robust security framework.
  • Communication: Choose a firm that communicates effectively and understands your company’s needs, providing clear and concise descriptions of their services.
  • Reputation: Assess customer reviews and testimonials to gauge the cybersecurity company’s reputation and the quality of service they provide.
  • Support: Verify that the cybersecurity agency offers 24/7 emergency support, ensuring prompt assistance whenever needed.
  • Fun and Engaging: Finally, seek a firm that combines professionalism with a fun and engaging approach. While cybersecurity is serious, it doesn’t have to be dull. Look for a service provider that makes the process enjoyable and interactive.

 

By considering these key factors, you can confidently select a reliable and reputable cybersecurity company to safeguard your business in the ever-evolving cyber landscape.

 

Top 14 Cybersecurity Companies in the UK

1. LenGreo

1. LenGreo

Description:

Lengreo stands out as a vibrant performance marketing firm, dedicated to crafting effective strategies specifically for the eLearning industry to captivate new users and expand educational reach. We offer a range of services including consultancy, precise digital marketing initiatives, inventive solutions, and assistance in increasing learner registrations. With a focus on uplifting educational entities in the online world, Lengreo excels in delivering both all-encompassing marketing services and specialized support to address distinct requirements.

 

Specialization:

What distinguishes Lengreo is our ability to devise tailor-made performance marketing approaches designed to cater to the bespoke needs of eLearning customers. Leveraging our profound knowledge in digital marketing, we aim to boost the web visibility and attract a wider community of learners, utilizing a variety of digital mediums to amplify the digital footprint and engagement of education-oriented brands.

 

Key Services:

  • Lead Generation
  • B2B Digital Marketing
  • SEO Services
  • Social Media & Content Marketing Services
  • Paid Ads Services
  • Demand Generation Services

 

Key Highlights:

  • A holistic approach to lead generation, addressing all aspects of online visibility and player engagement.
  • Tailored lead generation strategies focused on specific business growth goals and maximizing return on investment.
  • Innovative and creative solutions to stand out in the crowded online gambling market.

 

Key Achievements:

  • Highly praised on platforms like Upwork, Trustpilot, and Clutch for their lead generation expertise.
  • Known for their consultative skill in assisting businesses to effectively connect and engage with their target players.

 

Contact and Social Media Information:

2. Crossword Cybersecurity

2. Crossword Cybersecurity

Crossword Cybersecurity stands as a premier cybersecurity agency located in London, focusing on delivering a broad spectrum of protective services tailored for organizations of varying sizes. Recognizing the critical nature of safeguarding businesses, Crossword utilizes a holistic approach by integrating skilled personnel, efficient processes, and cutting-edge technology to achieve unparalleled security standards. The company boasts a team of seasoned consultants, comprehensive managed services, and innovative SaaS offerings, all working in unison to craft a robust security infrastructure. Crossword maintains a collaborative partnership with leading UK universities, ensuring their services and products are enriched with the most current research findings. Beyond its core cybersecurity expertise, the firm extends its specialization to include diverse marketing services such as brand protection, cybersecurity awareness campaigns, and secure digital marketing strategies, along with strategic planning and risk management, supply chain security, threat detection and response, and digital identity management.

3. Fortinet

3. Fortinet

Fortinet, a company specializing in cybersecurity solutions alongside other marketing services, is renowned globally for its robust cyber infrastructure protection products and services. With a focus on safeguarding businesses from online threats, Fortinet offers an extensive suite of solutions designed to detect, respond to, and prevent cyberattacks. Their flagship products include the FortiGate firewall, FortiWiFi wireless security, and Fortinet iCloud cloud services. These offerings are meticulously engineered to ensure the safety and security of sensitive data and operations, providing a comprehensive defense against network-based threats, malware, and compliance requirements. Fortinet’s cutting-edge technology and expert support empower businesses to protect critical assets and maintain continuity in the face of evolving cyber threats.

4. Celerity

4. Celerity

Celerity offers a comprehensive cybersecurity maturity assessment designed to evaluate an organization’s cyber resilience. This assessment aligns with the NIST 2.0 framework and covers six core elements: Govern, Identify, Protect, Detect, Respond, and Recover. By completing the assessment, organizations can gain detailed insights into their security posture and identify key vulnerabilities, manage cyber risks, and ensure regulatory compliance. The process is straightforward, free of charge, and culminates in a comprehensive report that outlines the organization’s strengths and areas for improvement.

5. Brainloop

5. Brainloop

Brainloop, a leading international cybersecurity solution provider diversifying into other marketing services, specializes in safeguarding businesses against cyber threats. Their portfolio includes Threat Detection and Response (TDR), Cybersecurity Data Analytics, Continuous Intelligence Feeds for Security Operations Centers (CIFSOCs), Automated Target Identification and Monitoring (ATIM) technologies, Secure Remote Backups, Enterprise Mobility Management (EMM) Solutions, and Provisioning Services. By automating security processes and delivering real-time threat intelligence, Brainloop empowers businesses to adopt a proactive security posture. Their solutions, eliminating the need for dedicated security personnel, offer cost-effective, efficient, and comprehensive cybersecurity protection.

6. ITC Secure

6. ITC Secure

ITC Secure, a leading advisory-led cybersecurity firm based in London, UK, offers a range of cybersecurity services alongside other marketing offerings. Their portfolio includes security consulting, penetration testing, incident response, and compliance management, all aimed at protecting networks, systems, and sensitive data from cyber threats. With a team of experienced experts in cybersecurity, ITC Secure is committed to keeping organizations informed about the latest threats and best practices through training and education initiatives. Renowned for their high-quality services and unwavering focus on customer satisfaction, ITC Secure combines top security talent with advanced technological expertise to help businesses thrive. Additionally, their CREST and ISO 27001 certifications ensure that their services adhere to industry standards, providing clients with peace of mind.

7. Microminder Cyber Security

7. Microminder Cyber Security

Microminder, a leading cybersecurity firm in London, offers comprehensive cybersecurity services alongside other marketing solutions. With a team of industry experts boasting over 34 years of experience, Microminder has earned a solid reputation for assisting organizations worldwide in achieving cybersecurity and compliance goals. Their services include penetration testing, managed security, cloud security, and zero-trust network services, all backed by AI-led technology and expert-led approaches. Notably, they cater to both businesses and government entities, providing fast, cost-effective solutions without hidden fees. Microminder’s commitment to “Commitment, Results, and Insightful Experience” is evident in their positive reviews and fixed-fee service model.

With a focus on delivering rapid and efficient solutions, Microminder stands out as an industry leader, continuously investing in research and development to stay ahead of evolving threats. Their innovative strategies have positioned them as one of the most technologically advanced cybersecurity firms. Whether you’re a small business, large corporation, or government entity, Microminder offers the expertise and reliability you need to secure your operations. Schedule a consultation today to explore how Microminder can bolster your cybersecurity posture and protect your business interests.

8. Akamai

8. Akamai

Akamai, a renowned global cloud services provider, offers cutting-edge solutions to safeguard businesses’ data alongside other marketing services. Their product lineup includes Content Delivery Networks (CDNs), Security Gateways, Endpoint Protection Solutions, Cloud Security Services, and Worldwide Reputation Management. With Akamai, businesses can efficiently deploy tailored security solutions while minimizing costs.

9. Rubrik

9. Rubrik

Rubrik provides robust cyber resilience solutions through its Security Cloud platform, which delivers comprehensive data protection and recovery capabilities. With secure, immutable backups and continuous risk monitoring, Rubrik ensures that enterprises can safeguard their data against threats like ransomware and insider attacks. Their offerings include data threat analytics, data security posture management, and cyber recovery simulations, all supported by an API-first platform that integrates with various enterprise, cloud, and SaaS applications. Recognized by industry leaders like Gartner and IDC, Rubrik’s solutions help organizations quickly recover from cyberattacks and maintain strong security postures.

10. First Response

10. First Response

First Response stands out as a premier cybersecurity company specializing in protecting European businesses and organizations from cyber threats. Their expertise spans incident response, digital forensics, and investigating various security incidents, including cyber-attacks and data breaches. Additionally, they offer services such as vulnerability assessments, penetration testing, and compliance consulting to fortify clients’ systems and sensitive data. With a team of round-the-clock experts, First Response ensures clients receive the support they need at all times.

11. Arxan

11. Arxan

Arxan, a global leader in cybersecurity solutions, has been safeguarding organizations from cyber threats for over two decades, offering a diverse range of products and services alongside other marketing offerings. Their acclaimed solutions include the Arrest Force intrusion detection system, which detects and prevents malicious traffic, the SGX content security appliance for data encryption, the ProtectIQ cloud security platform ensuring visibility into online activity, and the Protected Data Platform (PDP) for sensitive data protection in the cloud.

12. Palo Alto Networks

12. Palo Alto Networks

Palo Alto Networks leverages its Precision AI™ technology to provide cutting-edge cybersecurity solutions. Precision AI enhances threat detection and prevention by using a rich security dataset to defend against adversarial AI and polymorphic threats in real-time. Their AI-driven platforms simplify cybersecurity by providing intuitive solutions and actionable insights. Offering a comprehensive suite of products across network, cloud, and endpoint security, Palo Alto Networks helps organizations protect their AI-driven applications and infrastructure while maintaining robust security operations.

13. Urban Network

13. Urban Network

Urban Network, a London-based outsourced IT solutions provider established in 2002, specializes in offering customized cybersecurity services alongside other marketing solutions. Their services include cyber threat intelligence, incident response, penetration testing, and security assessments, all tailored to meet the unique needs of each client. Partnering with top IT providers, Urban Network offers fully-managed services, ensuring comprehensive protection against cyber threats. Their staff undergo continuous training to stay abreast of the latest advancements in the IT world, guaranteeing clients remain shielded from evolving cyber threats.

14. Talion

14. Talion

Talion’s Managed Detection and Response (MDR) service offers 24/7 threat monitoring and response capabilities to enhance organizational security. Their threat-led approach focuses on understanding each customer’s unique business needs and threat landscape, applying tailored threat use cases across cloud, hybrid, and on-premise networks. With a mature SIEM and SOAR platform, Talion provides rapid threat detection, user behavior analytics, and comprehensive threat hunting. Accredited by industry standards such as ISO 27001 and Cyber Essentials, Talion’s MDR service ensures robust protection and continuous improvement in cybersecurity defenses.

15. Sophos

15. Sophos

Sophos, established in 1986, is a global technology firm specializing in offering comprehensive cybersecurity solutions alongside other marketing services to safeguard businesses and organizations from online threats. Their wide range of services includes end-to-end protection, malware detection and removal, data security monitoring and management, rootkit removal and protection, active attack response, web application firewalls, virtual private networks, and intrusion prevention systems. Renowned for their expertise in real-time detection of zero-day threats, Sophos ensures they stay ahead of potential cyber threats, securing their clients’ information effectively.

16. EPAM Systems

16. EPAM Systems

EPAM Systems is a globally renowned digital platform engineering and software development company, with a significant presence in London specializing in cybersecurity services alongside other marketing offerings. With a focus on innovation and client-centric solutions, EPAM delivers comprehensive cybersecurity services tailored to meet the unique needs of businesses in the UK’s capital city. Leveraging cutting-edge technology and a team of skilled professionals, EPAM offers a range of cybersecurity solutions, including threat detection, incident response, vulnerability assessments, and compliance consulting. Their commitment to excellence and continuous improvement ensures that businesses in London receive top-notch cybersecurity services to safeguard their critical assets and data from evolving cyber threats.

17. Darktrace

17. Darktrace

Darktrace is a leading cybersecurity company based in London, specializing in providing innovative cybersecurity solutions alongside other marketing services. As a pioneer in AI-powered threat detection and response, Darktrace offers cutting-edge technology to protect businesses from advanced cyber threats. Their flagship product, the Darktrace Immune System, uses AI algorithms to autonomously detect and respond to cyber threats in real-time, ensuring proactive defense against evolving threats. With a team of cybersecurity experts and a global presence, Darktrace helps businesses in London and beyond stay one step ahead of cybercriminals, safeguarding their digital assets and operations effectively.

18. WithSecure

18. WithSecure

WithSecure™ Cloud Protection for Salesforce offers advanced security for Salesforce environments by scanning all files and URLs for malware, ransomware, and phishing threats. This solution addresses the security gap in Salesforce by ensuring that incoming data is free from cyber threats, thus maintaining compliance and reducing risk. WithSecure™ helps organizations protect their Salesforce instances from common attack vectors, leveraging their expertise in threat intelligence to provide reliable protection and peace of mind for IT decision-makers.

19. Tessian

19. Tessian

Tessian is a leading cybersecurity firm based in London, specializing in providing advanced email security solutions alongside other marketing services. With a focus on preventing human error and protecting against inbound and outbound email threats, Tessian offers innovative technology powered by machine learning algorithms. Their flagship product, Tessian Guardian, detects and prevents highly targeted spear-phishing and other email-based attacks, ensuring the security of sensitive information exchanged via email. Trusted by organizations worldwide, Tessian helps businesses in London mitigate the risks associated with email security breaches, safeguarding their communication channels and maintaining regulatory compliance effectively.

Making the Right Choice: A Questionnaire to Help Choosing the Right Cybersecurity Firm

While the companies listed here represent the top 10 in the city, it’s crucial to recognize that they vary in their offerings and qualities. Before finalizing your decision, it’s essential to ask yourself pertinent questions and thoroughly assess each option.

Here are some questions to consider:

  • Range of Services: Does the company offer a comprehensive range of cybersecurity services?
  • Experience and Reliability: Are the team members experienced and dependable?
  • 24/7 Support: Is there a dedicated support line available 24/7?
  • Affordability: Are the prices offered competitive and within your budget?
  • Reputation: Does the company have a substantial customer base and positive reviews?
  • Certifications: Is the company certified by recognized organizations?
  • Data Privacy Compliance: Does the company prioritize data privacy and comply with regulations like GDPR or HIPAA?

If you can answer these questions with a “yes,” you’ve likely found a company capable of providing reliable and affordable cybersecurity services. However, if any of these questions yield a “no,” it may be wise to explore other providers.

 

Conclusion

In conclusion, the landscape of cybersecurity in London is rich with top-tier service providers equipped to safeguard businesses against the ever-evolving threat landscape. From pioneering AI-powered solutions to innovative email security platforms, these companies offer a diverse range of services tailored to meet the unique needs of organizations in the UK’s capital city. With a relentless focus on innovation, expertise, and client satisfaction, these cybersecurity firms play a pivotal role in fortifying London’s business ecosystem against cyber threats, ensuring the resilience and security of critical digital infrastructure.

As businesses continue to navigate the complex cybersecurity landscape, the importance of partnering with reputable and reliable service providers cannot be overstated. The companies highlighted in London’s cybersecurity sector demonstrate a commitment to excellence, staying at the forefront of technological advancements, and delivering robust solutions to mitigate cyber risks effectively. By leveraging the expertise and innovative solutions offered by these cybersecurity service providers, businesses in London can confidently protect their digital assets, maintain regulatory compliance, and foster a secure environment for sustained growth and success in the digital age.