The UK’s top cybersecurity companies | Tech News
The cyber security industry is vast, with companies offering all sorts of services which often, to most of us, can be confusing. It’s hard to know what solution is right for your business and whether you’re even getting a good deal with it.
Top 10 UK Cyber Security Companies
With cyber security experts now predicting the cost of cybercrime in 2025 to reach $10.5 trillion, it’s never been more important to start investing in cyber security for your business. It’s a daunting task if you’re just starting out, so we’ve put together a list of the top 10 UK companies offering cyber security services.
Operating from offices all over the world, Clearswift offers a variety of 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 also keeping them compliant with data privacy and protection laws.
Sophos is a globally recognised brand, developing products for both home and business. They are true cyber security veterans, with 30 years experience, largely 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 businesses of up to 5000 employees.
Cyber Tec Security
If you are totally new to the world of cyber security, it’s a good idea your Cyber Essentials certification as a first step. As an IASME certifying body, 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 to clients your commitment to cyber security. Through Cyber Tec, you’ll also be able to achieve the Police’s ‘Digitally Aware’ certification if you want to further your efforts.
For 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 so you make sure your business is prepared should you ever have to cope with the aftermath of a cyber attack.
BAE offer advanced defence technologies across multiple domains including airspace, maritime and cyber. BAE’s security strategies are largely preventative, helping organisations manage threats before they happen.
Their cyber consulting services and solutions are largely targeted towards government agencies, but a growing number of commercial clients. The BAE strategy often involves collecting and analysing large amounts of data to inform their security practices.
Working with clients on a larger scale, PWC offers a mixture of proactive and preventative cyber security solutions. Security intelligence based services are aimed at identifying risks and advising companies on how they can grow cyber resilience, while technical solutions are focused on threat detection and incident response.
Ernst & Young (EY)
Ernst & Young offers a variety of 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, offering guidance on data privacy and security, dealing with cyber risk, developing response plans and managing access to assets within a company.
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 coming years. Darktrace’s services are likely best suited to larger organisations and government agencies with higher cyber risk profiles.
Specialising in secure collaboration, Becrypt provide a range of endpoint and mobile products and services. Clients include government agencies and security-conscious organisations within the critical national infrastructure.
For these kinds of businesses with an elevated level of threat, Becrypt offer services using accredited Secure Thin Client and mobile technologies that will protect both operating systems and browser and clients applications from adversaries. Becrypt’s endpoint management solution, Paradox, also gives businesses a simple way to reduce threat, with breach detection and automated patch management among its key features.
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.
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 whether internally or in the Cloud.
The suite of cyber security applications on the platform include Enterprise Threat Protector, Edge DNS, Bot Manager and Zero Trust Security.
There are cyber security companies out there to fit every purpose, from Data Loss Prevention and Endpoint Security to Consulting services and Risk intelligence.
What is clear from the range of companies here is how important cyber security continues to be for organisations whatever your size, and if it’s not already, it needs to be among your top priorities. We hope this list will serve as a useful resource in your hunt for the right security solution for you and your business