Reviews updated: 25-06-2026

The best Cybersecurity agencies in the United Kingdom

Choose from the 50 agencies selected and listed below
Each agency is evaluated by our team, and only reviews confirmed by their author count towards the score. Sponsored positions are always labelled.See our methodology
4,8/5 on Trustpilot · 704 reviews

All Cybersecurity agencies in the United Kingdom

SysGroup
Located in Merseyside
Founded in 2006
96 team members
View profile
Overview SysGroup is a British managed IT services provider specialising in mid-market organisations, typically between 100 and 2,000 employees. The company manages and secures clients' critical
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

OffSite IT
Located in Chelmsford
9 team members
View profile
Overview OffSite IT is an IT service provider based in Essex specialising in cloud solutions and IT support for businesses. The agency supports its clients in implementing and optimising reliable IT
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

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AZTech IT
Located in Milton Keynes
70 team members
View profile
AZTech IT is an IT support agency based in Milton Keynes, UK, offering services including IT support, cyber security, and IT strategy. They cater to organizations both locally and globally, providing
Allocation
Web DevelopmentCloud ComputingCybersecurity

Quality

Not rated

Croft Technology Services
Located in Hertfordshire
195 team members
View profile
Croft Technology Services specializes in providing bespoke IT infrastructure solutions aimed at enhancing efficiency, productivity, and profitability for businesses. The agency collaborates closely with
Allocation
Cybersecurity

Quality

Not rated

CodeUp Studios
Located in London
60 team members
View profile
Overview CodeUp Studios is a WordPress agency specialising in the design and development of websites. The company builds functional, scalable and responsive websites using WordPress as the primary
Allocation
WebsiteCybersecurity

Quality

Not rated

Secon Cyber Security
Located in Hersham
199 team members
View profile
Presentation Secon is a cybersecurity consulting firm focused on protecting data, teams and organisations. The agency provides comprehensive support, combining technological advice and cloud
Allocation
Mobile ApplicationCybersecurity

Quality

Not rated

Alliance Solutions
Located in Hertfordshire
8 team members
View profile
About us Alliance Solutions is a cybersecurity and IT support company founded in 2000 in Stevenage, Hertfordshire. The agency secures, supports and proactively manages IT infrastructure systems for
Allocation
Cybersecurity

Quality

Not rated

Shoothill Ltd
Located in Shrewsbury
Founded in 2006
23 team members
View profile
Overview Shoothill is a digital and technology service provider working with businesses to improve their operational efficiency. The agency offers a comprehensive range of services covering custom
Allocation
Web DevelopmentMobile ApplicationWebsiteCloud Computing

Quality

Not rated

Swiftcomm
Located in Sawtry
16 team members
View profile
Overview Swiftcomm provides managed IT support services and professional telecommunications. The agency operates from its offices located in Soho, London and Peterborough. It supports businesses in
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Our IT Department
Located in London
15 team members
View profile
Our IT Department provides IT support services for London and the East of England. With over 20 years of experience, they specialize in managed IT services, IT consultancy, and cybersecurity
Allocation
Cybersecurity

Quality

Not rated

FullProxy
Located in Glasgow
7 team members
View profile
Presentation FullProxy is a cybersecurity consulting firm specialising in F5 and Fortinet solutions. The agency works with organisations in both the public and private sectors to deploy, configure and
Allocation
WebsiteCloud ComputingCybersecurity

Quality

Not rated

CyberQ Group
Located in Birmingham
Founded in 2016
4 team members
View profile
Overview CyberQ Group is a cybersecurity service provider specialising in digital resilience for businesses. The agency works with organisations facing inevitable cyber threats and aims to minimise the
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

BlueLoop
Located in Yeovil
19 team members
View profile
BlueLoop provides IT support services, including cyber security, data management, and cloud backup solutions primarily for Somerset and the South West of
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

1st-it LTD
Located in London
Founded in 2000
20 team members
View profile
Overview 1st-IT is a managed IT services provider based in London, specialising in IT support for small and medium-sized businesses and charities. Since 2000, the agency has offered an integrated service
Allocation
Cybersecurity

Quality

Not rated

Cyber One Security
Located in London
80 team members
View profile
Cyber One Security specializes in cybersecurity, providing expert consulting and incident response services to protect businesses' digital assets. Their experienced team focuses on fortifying defenses
Allocation
Cybersecurity

Quality

Not rated

Agile Tech Software
Located in Essex
11 team members
View profile
Agile Tech Software is an IT company based in Essex, United Kingdom, specialising in various technology solutions. The agency focuses on providing tailored IT services to enhance business
Allocation
Web DevelopmentUX/UI DesignCybersecurity

Quality

Not rated

PEL Consultancy Services
Located in Birmingham
7 team members
View profile
PEL Consultancy Services specializes in private investigation, digital forensics, and security services. They aim to identify the best solutions for various situations involving these
Allocation
Cybersecurity

Quality

Not rated

Precursor Security
Located in Leeds
29 team members
View profile
Overview Precursor Security is a UK-based cybersecurity firm, CREST-accredited, offering integrated services in penetration testing, 24/7 managed Security Operations Centre (SOC) and compliance. The firm
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Blumefield
Located in Manchester
Founded in 2017
5 team members
View profile
Founded in 2017, Blumefield is a software development agency based in Manchester, UK. The agency specializes in creating digital experiences and software solutions for a diverse range of clients, from
Allocation
InnovationCybersecuritySoftware Development

Quality

Not rated

Cloud Appliances UK
Located in West Kingsdown
Founded in 2008
20 team members
View profile
Cloud Appliances UK provides expert networking solutions specializing in Cisco and Meraki hardware. They focus on cybersecurity and cloud consulting services to optimize IT infrastructure for
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Teqniq
Located in London
23 team members
View profile
Teqniq is a recruitment agency based in London, UK, specialising in providing temporary, contract, and permanent staffing solutions across multiple sectors both locally and globally. With a team of 23
Allocation
BrandingCybersecurity

Quality

Not rated

Armor
Located in Slough
215 team members
View profile
Overview Armor offers a unified, adaptive and transparent cloud security and regulatory compliance platform. The offering is designed for enterprises seeking to protect their infrastructure in cloud and
Allocation
Cybersecurity

Quality

Not rated

Wisecoda
Located in Long Stratton
Founded in 2024
1 team member
View profile
About us Wisecoda is a web design and development agency based in Norwich, operating across the United Kingdom. It delivers bespoke websites designed to drive business growth. The agency's approach
Allocation
Web DevelopmentWebsiteCybersecuritySEO

Quality

Not rated

N Trust Systems Ltd
Located in Kent
18 team members
View profile
Overview N Trust Systems Ltd provides IT services covering technical support, cloud infrastructure, data security and strategic consulting. The agency works with businesses to ensure the continuity of
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

ramsa
Located in Surrey
106 team members
View profile
ramsac provides IT services primarily for small and mid-sized organisations, focusing on flexibility and resilience to support growth. Their expertise includes cybersecurity amongst other tech
Allocation
Cybersecurity

Quality

Not rated

Act Now Training
Located in Batley
15 team members
View profile
Act Now Training is a leading provider of Information Governance training based in Batley, United Kingdom. The agency focuses primarily on Cyber Security and Data Protection
Allocation
Cybersecurity

Quality

Not rated

AAG
Located in Barlborough
47 team members
View profile
Overview AAG is a wealth management and financial advisory agency based in the United Kingdom. The organisation offers wealth management services, mortgage brokerage and financial education. Its approach
Allocation
Web DevelopmentWebsiteCloud ComputingCybersecurity

Quality

Not rated

Pro Drive IT Limited
Located in Guildford
16 team members
View profile
Pro Drive IT Limited provides IT support and cyber security strategies primarily for SMEs in Surrey, London, and the South East. The company is located in Guildford, United
Allocation
Web DevelopmentMobile ApplicationCybersecurity

Quality

Not rated

Napthens
Located in Preston
275 team members
View profile
Napthens Solicitors provides legal services across six locations in the North West of England. They focus on offering expert legal advice to both individuals and
Allocation
Cybersecurity

Quality

Not rated

Infinity Group UK
Located in London
Founded in 2001
159 team members
View profile
Infinity Group is a leading IT company based in London, specializing in IT consultancy and IT infrastructure solutions. The firm serves thousands of businesses across London and the UK since its
Allocation
Web DevelopmentCloud ComputingCybersecuritySoftware Development

Quality

Not rated

Leba Systems Ltd
Located in City of London
1 team member
View profile
Leba Systems Ltd is based in City of London, United Kingdom, specialising in security systems including intruder alarms, CCTV, fire alarms, and access control systems. They focus on providing safety
Allocation
Cybersecurity

Quality

Not rated

TechForing Ltd.
Located in London
Founded in 2014
4 team members
View profile
Overview TechForing Ltd. provides cybersecurity solutions for businesses and individuals. The agency operates in the field of digital protection by offering risk assessment services, security management
Allocation
Web DevelopmentMobile ApplicationCybersecurity

Quality

Not rated

DHTS
Located in London
25 team members
View profile
Overview DHTS is an IT services agency founded on over 26 years of technical expertise. The company offers a proactive approach to managing, maintaining, securing and optimising IT infrastructures 24
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

PC Consultants CSV Ltd.
Located in Ryde
29 team members
View profile
Overview PC Consultants CSV Ltd. is an agency operating in the fields of digital consulting and web development. The organisation has received the King's Award for Enterprise for Promoting Opportunity, a
Allocation
Cybersecurity

Quality

Not rated

Westminster Security
Located in Greater London
19 team members
View profile
Overview Westminster Security is an independent private security agency based in central London. Specialising in the provision of premium security services, it operates for affluent individuals, families
Allocation
Cybersecurity

Quality

Not rated

Redscan
Located in London
60 team members
View profile
Redscan provides managed detection and response, penetration testing, and incident response services to combat cyber security threats. The agency focuses on helping businesses enhance their security
Allocation
Cybersecurity

Quality

Not rated

PCW Solutions Ltd
Located in Hertfordshire
5 team members
View profile
Overview Pure Clean Waste Solutions Ltd is a licensed hazardous waste management company based in Stockport in Greater Manchester. It operates across the United Kingdom and specialises in the collection
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Digital Shadows
Located in London
1093 team members
View profile
Digital Shadows minimizes digital risk by identifying unwanted exposure and protecting against external threats. The agency specializes in cybersecurity, web applications, and cloud consulting
Allocation
Web DevelopmentCloud ComputingCybersecurity

Quality

Not rated

Harrold-Jones Services
Located in Birmingham
37 team members
View profile
Harrold-Jones Services specializes in fire alarms, fire protection, CCTV, security doors, and entry systems. They also provide electrical installation and building engineering
Allocation
UX/UI DesignCybersecurity

Quality

Not rated

Your Cloud Works Ltd
Located in Potterspury
8 team members
View profile
Your Cloud Works Ltd focuses on IT Security, IT Support, and Cloud Solutions, leveraging over 25 years of industry experience to assist clients in these
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

The Antwerp Arms
Located in Anvers
12 team members
View profile
Presentation The Antwerp Arms is an establishment located in Antwerp, Belgium. The company operates as a community space dedicated to craft beer, combining a traditional atmosphere with a commitment to
Allocation
Cybersecurity

Quality

Not rated

Trustwave
Located in London
1081 team members
View profile
Trustwave is a cybersecurity and managed security services provider specialising in managed detection and response. They focus on offering comprehensive security solutions to protect businesses from
Allocation
Web DevelopmentCybersecurity

Quality

Not rated

Class Networks
Located in Surrey
38 team members
View profile
Class Networks provides telecoms and communications technology solutions, focusing on cloud services, cyber security, and telephony services for businesses and charities. They aim to help organisations
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Coronet Cyber Security
Located in London
385 team members
View profile
Coronet Cyber Security specializes in cloud-based cybersecurity solutions to protect various aspects of businesses including email, data, cloud applications, devices, and users. The agency focuses on
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Halkyn Consulting Ltd
Located in New Brighton
Founded in 2010
5 team members
View profile
Halkyn Consulting Ltd, established in 2010, is a security and risk-management consultancy based in North Wales. They deliver cybersecurity solutions globally, focusing on incident response, digital
Allocation
Cybersecurity

Quality

Not rated

Portman Tech
Located in City of London
8 team members
View profile
Overview Portman Tech operates in the finance, real estate and media industries to deliver secure and transparent technology solutions. The agency provides continuous technical support, adapting its
Allocation
Cybersecurity

Quality

Not rated

Certum
Located in Rutherglen
42 team members
View profile
Overview Certum is an IT services and telecommunications agency based in Glasgow. The company offers solutions covering IT services, cloud and telecommunications for businesses. Certum works with clients
Allocation
WebsiteCloud ComputingCybersecurity

Quality

Not rated

Arc Systems
Located in Essex
66 team members
View profile
Arc Systems provides IT support for businesses in Essex and London, operating as a Managed Service Provider (MSP). They focus on delivering solutions such as cloud consulting and cyber security to enhance
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Pentest
Located in Altrincham
39 team members
View profile
Pentest offers CREST accredited penetration testing, red team, and consultancy services focused on cybersecurity. Their team is dedicated to providing clients with the necessary assurances to enhance
Allocation
Cybersecurity

Quality

Not rated

CrowdAr
Located in Manchester
98 team members
View profile
Overview CrowdAr provides software testing and CloudOps services designed to ensure the quality and scalability of digital products. The agency works with organisations across various industries,
Allocation
Cybersecurity

Quality

Not rated

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Cybersecurity agencies by location

Main cities

Aberdeen (6)Belfast (1)Birmingham (8)Bradford (8)Brighton (4)Bristol (4)Cambridge (3)Cardiff (3)Coventry (7)Derby (8)Derry (1)Dundee (8)Edinburgh (6)Glasgow (5)Leeds (7)Leicester (3)Lisburn (1)Liverpool (6)London (39)Manchester (11)Milton Keynes (7)Newcastle Upon Tyne (15)Newport (3)Nottingham (3)Oxford (9)Plymouth (3)Portsmouth (4)Reading (5)Sheffield (18)Southampton (3)Swansea (3)York (4)

By region

EnglandNorthern IrelandScotlandWales

Other countries

FranceBelgiumSwitzerlandSpain

Similar categories

Related services

Web AdministrationBig Data & BIBlockchainCloud ComputingIT Services

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