Top 10 UK Cyber Security Companies

Written by Sam Jones
Feb 19, 2021 - 13 minute read

Finding the right cybersecurity solution is a daunting task, so we’ve put together a list of the top 10 UK cyber security companies

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As experts predict the cost of cybercrime to reach $10.5 trillion by 2025, investing in cyber security for your business has never been more critical. But where should you start?

It’s increasingly difficult for newcomers to see what’s suitable for their business needs as the security industry grows in scale and complexity in response to the evolving threat landscape.

To help you with this daunting but crucial task, we’ve compiled a list of the top 10 UK cyber security companies, including what they offer and a featured product. 

Top 10 UK Cyber Security Companies

  1. Clearswift
  2. Sophos
  3. Cyber Tec Security
  4. BAE
  5. PWC
  6. Ernst & Young 
  7. Darktrace
  8. Becrypt
  9. SentryBay
  10. Akamai





1. Clearswift

Best suited to: Small, medium and large businesses

Offerings: Data Loss Prevention, Endpoint Protection, Web and Email Security

Operating from offices worldwide, Clearswift offers various cyber security services but specialises in data loss prevention for email, web and cloud applications. These preventative tools are designed to protect data, whether it is located internally or externally and stop data leaks from happening. 

Clearswift’s DLP solutions include Adaptive Data Loss Prevention and Endpoint Data Loss Prevention. These work to ensure a company’s data is protected from malicious threats while keeping it compliant with data privacy and protection laws. 

Featured Product: Secure Email Gateway







2. Sophos

Best suited to: Larger 100+ seat organisations 

Offerings: Cloud Security, Endpoint Protection for Mobile and Web, Firewalls

Sophos is a globally recognised brand, developing products for both home and business. They are true cyber security veterans with 30 years of experience, primarily specialised in antivirus and encryption, which many of their products involve. 

Offering endpoint security for the Cloud, firewalls and devices, Sophos’ solutions are adaptable to the needs of businesses across multiple industries, but Sophos often caters for larger companies of up to 5000 employees. 

Featured Product: Intercept X Endpoint Protection







3. Cyber Tec Security

Best suited to: Small-medium sized businesses

Offerings: Cyber Essentials, endpoint protection, compliance and monitoring

Based in Bristol, Cyber Tec Security is an IASME Certification Body able to certify your company to the Cyber Essentials standard, which is an excellent first step if you are new to the world of cyber security. Cyber Tec offer a fully guided certification process which can often take as little as 24 hours. Certification proves your business meets the Five Critical Controls, reducing 80% of cyber risk and demonstrating your commitment to cyber security to clients. Through Cyber Tec, you’ll also be able to achieve the Police’s ‘Digitally Aware’ certification if you want to further your efforts.

For the longer term, high-level security, Cyber Tec provide ongoing monitoring and threat detection with fully managed Compliance and SOC & SIEM solutions. While these measures are designed to be preventative, Cyber Tec also offer specialist cyber insurance to ensure your business is prepared should you ever have to cope with the aftermath of a cyber attack.

Featured Product: Microsoft Office 365 SOC & SIEM






4. BAE Systems

Best suited to: Government agencies, medium-large businesses

Offerings: Consulting Services, Emergency Response, Pen Testing, Compliance

BAE offer advanced defence technologies across multiple domains, including airspace, maritime and cyber. BAE’s security strategies are primarily preventative, helping organisations manage threats before they happen. 

Their cyber consulting services and solutions are targeted mainly towards government agencies but a growing number of commercial clients. The BAE strategy often involves collecting and analysing large amounts of data to inform security practices.

Featured Product: Penetration Testing





5. PwC

Best suited to: Larger enterprises across multiple industries

Offerings: Consulting Services, Risk Analysis, Incident Response

Working with clients on a larger scale, PWC offers a mixture of proactive and preventative cyber security solutions. Security intelligence-based services aim to identify risks and advise companies on how they can grow cyber resilience, while technical solutions focus on threat detection and incident response. 

Featured Product: DevSecOps Platform


Featured Products




6. Ernst & Young (EY)

Best suited to: All businesses, from start ups to larger enterprises

Offerings: Consulting Services, Data Protection, Risk Analysis, Compliance

Ernst & Young offers various professional services, with cyber security being just one of them. Their cyber teams are broken up into key focus areas: strategy, risk, compliance and resilience, to name a few. 

EY helps organisations, large and small, offer guidance on data privacy and security, deal with cyber risk, develop response plans and manage access to company assets.   

Featured Product: Cyber Security Consulting Services






7. Darktrace

Best suited to: Government agencies, larger organisations

Offerings: Cloud Security, Email Security, Threat Visualisation and Protection

The founders of this company are a collection of mathematicians from Cambridge University and cyber experts from places like MI5 and GCHQ. They are known for their defensive AI-driven technology, which focuses on protecting (usually larger scale) businesses by detecting subtle threats from various sources and automating a defensive response. 

The machine-learning technology marks a new approach to cyber security that will likely become the way forward for the industry in the coming years. Darktrace’s services are probably best suited to larger organisations and government agencies with higher cyber risk profiles. 

Featured Product: Darktrace Immune System






8. Becrypt

Best suited to: Government agencies, large and small organisations within critical national infrastructure

Offerings: Managed Services, Endpoint Protection, Encryption

Specialising in secure collaboration, Becrypt provides a range of endpoint and mobile products and services. Clients include government agencies and security-conscious organisations within the critical national infrastructure. 

Becrypt offers services using accredited Secure Thin Client and mobile technologies that will protect operating systems, and browser and client applications from adversaries for businesses with an elevated threat level. Becrypt’s endpoint management solution, Paradox, also gives businesses a simple way to reduce the threat, with breach detection and automated patch management among its key features.

Featured Product: Paradox Endpoint Management






9. SentryBay

Best suited to: Larger enterprises

Offerings: Data Monitoring, Credential and Domain Monitoring, Endpoint Protection

The data security company, SentryBay has developed technology for PC, mobile, the Cloud and IoT. Their enterprise software protects a business’ endpoints by creating an armoured exterior to keep all applications used or connected to the enterprise safe and secure. Their solutions focus on security where data is at its most vulnerable. 

Other areas of expertise for SentryBay include anti-keylogging technology, data and dark web monitoring, and identity theft prevention.

Featured Product: The Armored Client






10. Akamai

Best suited to: All businesses, start ups to large enterprises

Offerings: API and DDoS Protection, Cloud Security, Zero Trust Security, Firewalls

While Akamai is primarily a content delivery network (CDN) dealing with enhancing performance for Web, Mobile and Media, they also offer a variety of cyber security solutions. With their Edge Security Platform, Akamai secures your content, data and applications, internally or in the Cloud. 

The suite of cyber security applications on the platform includes Enterprise Threat Protector, Edge DNS, Bot Manager and Zero Trust Security. 

Featured Product: Enterprise Threat Protector





What’s clear from the range of companies out there is how vital cyber security continues to be for all organisations, regardless of size. If it’s not already, it needs to be among your top priorities. 

This list will serve as a helpful resource in your hunt for the suitable security solution for you and your business.


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Topics: Cyber Security


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