Reviews updated: 10-07-2026

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

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

Seceon Inc.
Located in Bishop's Stortford
159 team members
View profile
Seceon Inc. is a cybersecurity company providing comprehensive managed IT security services globally, including in the USA, India, and the UK. With a focus on cyber security, they offer a variety of
Allocation
Web DevelopmentMobile ApplicationWebsiteCybersecurity

Quality

Not rated

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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

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

Simple ITS
Located in Stretford
3 team members
View profile
Overview Simple ITS provides professional and accessible IT solutions for home users and small businesses across Greater Manchester. The agency focuses on reliability, fast response times and clear
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Twin Systems
Located in St Albans
12 team members
View profile
About us Twin Systems is an independent IT consulting firm that provides IT solutions and expert support for all technology needs. Its independence from vendors enables it to deliver recommendations
Allocation
UX/UI DesignCybersecurity

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

Superfast IT
Located in Stourbridge
19 team members
View profile
Superfast IT provides fast IT support specifically designed for small businesses in the West Midlands. The agency specializes in managed IT services, offering support for cloud solutions, data backup, and
Allocation
Cybersecurity

Quality

Not rated

Konnetix
Located in Hertfordshire
8 team members
View profile
Overview Konnetix offers managed IT services for businesses. The agency works on IT infrastructure management, IT support and assistance with service provider transitions. Based in Letchworth, Konnetix
Allocation
Cybersecurity

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

Computer Forensics Lab
Located in London
11 team members
View profile
Presentation Computer Forensics Lab is a specialist firm in digital examination and data recovery from computing and mobile devices. The company works with law firms, public bodies and private clients on
Allocation
Cybersecurity

Quality

Not rated

Hut Eight Digital
Located in City of London
Founded in 2021
15 team members
View profile
Hut Eight Digital is a London-based agency that specializes in custom software development, UX/UI design, and SEO. The agency focuses on creating digital products designed to address complex challenges
Allocation
Web DevelopmentWebsiteBrandingCybersecurity

Quality

Not rated

Arcanum Cyber Security
Located in Caerphilly
51 team members
View profile
Arcanum Cyber Security is a cybersecurity consultancy focused on providing certified Cyber Security and Information Security services to the UK government, businesses, and SMEs. The agency is based in
Allocation
Cybersecurity

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

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

ACUTEC
Located in Coleshill
Founded in 1995
31 team members
View profile
Overview ACUTEC is a technology service provider with nearly 30 years of experience in the industry. The agency supports businesses in simplifying and optimising their IT infrastructure. Specialising in
Allocation
Cloud ComputingCybersecuritySoftware Development

Quality

Not rated

NetMonkeys Ltd
Located in London, Manchester, Nottingham
Founded in 2003
35 team members
View profile
Overview NetMonkeys Ltd is a UK-based managed service provider specialising in IT support, software solutions, artificial intelligence, ERP systems and cybersecurity. The agency adopts a proactive
Allocation
Web DevelopmentInnovationCybersecurityBig Data & BI

Quality

Not rated

Utixo Ltd
Located in Burnham-on-Sea
1 team member
View profile
Overview Utixo Ltd is a technology partner specialising in cloud infrastructure and hosting services. The agency offers professional email management solutions, cloud migration and data protection.
Allocation
Cloud ComputingCybersecurity

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

Invest in Manchester
Located in Salford
30 team members
View profile
Overview Invest in Manchester is the economic development agency for the Greater Manchester region in the United Kingdom. The organisation positions Manchester as the country's most dynamic economic
Allocation
Web DevelopmentWebsiteBrandingInnovation

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

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

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

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

Red Mosquito
Located in Glasgow
17 team members
View profile
Overview Red Mosquito is a managed IT services provider based in Glasgow, specialising in managed services, telecommunications, cybersecurity and Microsoft Cloud solutions. The agency was acquired by
Allocation
Cloud ComputingCybersecurity

Quality

Not rated

Kindus
Located in Leeds
Founded in 2010
5 team members
View profile
Overview Kindus is a company specialising in the engineering and manufacturing of sandwich panel production systems since 2007. The group offers complete solutions ranging from standalone machines to
Allocation
Web DevelopmentWebsiteInnovationCloud Computing

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

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

Clyde & Co Llp
Located in City of London
5465 team members
View profile
Overview Clyde & Co is an international law firm with nearly a century of experience at the heart of global commerce. The firm positions itself as an expert in risk management and navigating commercial
Allocation
BlockchainCybersecurity

Quality

Not rated

TC Young Solicitors
Located in Edinburgh
74 team members
View profile
Overview TC Young is a Scottish law firm founded on a 175-year history. The firm has established itself as one of the most dynamic and progressive legal structures in Scotland. Its approach centres
Allocation
CybersecurityAdvertising

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

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

Blue Logic
Located in Leeds
458 team members
View profile
Blue Logic specializes in managed IT services and cloud technology, aiming to transform businesses into modern workplaces through IT support, Microsoft 365 software, and cyber security
Allocation
Cloud ComputingCybersecurity

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

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

UKN Group
Located in Chineham
39 team members
View profile
UKN Group is a UK-based IT service provider specialising in IT Support, Service Desk, Cloud Services, IT Consultancy, Data Analytics, Cyber Security, and GDPR compliance. They offer 24/7 support and
Allocation
Cloud ComputingCybersecurityBig Data & BI

Quality

Not rated

Brunswick Group
Located in London
4 team members
View profile
Overview Brunswick Group is a global advisory firm specialising in relations between organisations and their critical stakeholders. The firm works with leading organisations in high-stakes contexts,
Allocation
CybersecuritySocial MediaPublic RelationsCommunications

Quality

Not rated

ITRM
Located in Sidcup
Founded in 1999
75 team members
View profile
Overview ITRM is an IT service provider operating in the United Kingdom, based across multiple regions including London, Kent and Bristol. The agency offers an extensive range of services covering
Allocation
Web DevelopmentMobile ApplicationCybersecurityArtificial Intelligence

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

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

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

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

Netmatters
Located in Wymondham
128 team members
View profile
Netmatters is a full-service digital agency based in Wymondham, UK. They offer a range of services including software and web development, digital marketing, IT, Telecoms, and Cyber
Allocation
Web DevelopmentCybersecurityDigital MarketingSoftware Development

Quality

Not rated

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

Brabners
Located in Birkenhead
545 team members
View profile
Overview Brabners is an independent law firm focused on social and environmental responsibility. Certified as a B Corporation, the firm works with organisations to support them in achieving their
Allocation
BlockchainCybersecurity

Quality

Not rated

Codexelle
Located in Greater London
Founded in 2017
11 team members
View profile
Presentation Codexelle is a web design agency based in New York, operating across four global offices: New York, Los Angeles, London and Manchester. Founded in 2016, the agency focuses on creating
Allocation
WebsiteUX/UI DesignBlockchainCybersecurity

Quality

Not rated

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

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

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

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

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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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