Cybersecurity Solutions

AVM

AVM, trading as Antivirus Market Ltd, provides IT security and cloud services to public sector and corporate clients. The company advises on cloud migration, covering flexible access to desktops, data and applications from any location, and delivers information security services addressing internal, external, accidental and malicious threats. AVM also offers website design and web app development. The company is based in Guildford, Surrey.

AXIS PENTEST

Axis Pentest provides information security assurance through penetration testing services across networks, web applications, APIs, cloud environments, mobile applications, and wireless systems. It serves forward-thinking enterprises and organisations across various sectors, including financial services, technology, energy, telecoms, retail, education, government, and healthcare.

Acalvio

Acalvio provides cyber deception technology through its ShadowPlex platform, which detects and diverts attacks before they reach production systems. Products cover advanced threat detection, identity threat protection, multi-cloud security built on honeytokens, and targeted threat intelligence. The company's 360 Deception technology addresses AI-assisted attacks and offers runtime protection for agentic AI systems. Solutions span active directory protection, insider threats, OT security, ransomware defence and zero trust, serving healthcare, financial services and public sector organisations.

AccSec

AccSec delivers cyber security strategies tailored to sectors including power stations and grid operators, utility service providers, multinational organisations and government departments. Its consultancy services cover ISO 27001-2 certification, NIS Directive compliance and Cyber Essentials accreditation for small and medium-sized enterprises. AccSec's penetration testing includes Blue, Red and Purple Team exercises simulating real-world attacks, alongside White Box and Black Box security health checks examining internal and external security measures. The company's NIS Directive compliance consultancy supports organisations navigating regulatory requirements and preparing to respond to cyber incidents.

Accentuate

Accentuate turns Shopify metafields into rich, merchandised product data such as specifications, guides, certifications and media, rendered anywhere on the storefront without development tickets. It serves Shopify merchants seeking to enhance product pages with structured content like materials, care guides and provenance across all metafield scopes.

Aceguard RM LTD

Aceguard RM provides cyber security services to businesses across Hertfordshire from its Hemel Hempstead base. It serves sector clients including estate agents, healthcare providers, schools, solicitors and charities, alongside SMEs generally. Offerings cover penetration testing, vulnerability assessments, Cyber Essentials certification support, managed security monitoring, Microsoft 365 security configuration, incident response, ransomware recovery and outsourced IT support, with emergency assistance available on request.

Acunetix UK

Web vulnerability scanner providing automated DAST for web applications and APIs to detect OWASP Top 10 vulnerabilities.

Advanced Cyber Defence Systems (ACDS)

Advanced Cyber Defence Systems (ACDS) develops Observatory, an external attack surface management platform that scans the internet daily to identify organisations' exposed assets and vulnerabilities, including CVEs missed by other tools. It offers spoof-resistant system fingerprinting, continuous asset inventory updates, and supply chain, third-party and merger/acquisition risk assessment. Its Email Guard product helps organisations comply with email encryption and authentication standards.

Advancery

Advancery is a Managed IT Services Provider offering IT support, telecoms, cloud and cyber security services tailored to client organisations, operating since 2014. The company has managed Microsoft 365 transitions and deployed 3CX phone systems for clients including Makin Dixon, replacing systems that struggled to cope with remote working call volumes. Advancery aims to provide an alternative to larger managed service providers and IT outsourcing companies in the mid-market and enterprise sectors, tailoring services to each client's needs and communicating in plain language rather than technical jargon.

Afinite

Afinite provides IT services and consultancy, including IT support, cyber security, cloud solutions, network solutions and modern workplace services. The company's process runs through four phases: discovery, recommendation, implementation and support, starting with an assessment of a client's requirements and strategic objectives. During implementation, clients are assigned a dedicated technical project leader as a direct point of contact throughout the project, and the company carries out testing as part of its delivery. Afinite positions its own consultants, rather than salespeople, as the client's point of contact from the outset.

Agile Computers

Agile Computers provides IT support, IT solutions and IT security to start-ups, SMEs, scale-ups, non-profit and corporate clients based in Berkshire and across the South East. The company's remote access support covers technology monitoring and management to reduce disruption, data loss and downtime for client teams. Agile Computers sets up secure remote working technologies, including virtual private networks that let staff connect to a business network from home, and deploys Microsoft Teams and VoIP systems to keep remote teams connected. Its cyber security service addresses protection and response planning for remote-working risks.

Agility Cyber

Agility Cyber is an independent cyber security consultancy based in Leamington Spa, providing security assessment services across infrastructure, applications, cloud and mobile environments. Assessments cover internal and external infrastructure, network devices, servers, wireless, Active Directory, web applications, CI/CD code, Microsoft 365 and SaaS/PaaS/IaaS platforms. The firm also addresses social engineering, including phishing and vishing, threat modelling, and delivers OWASP developer, awareness and threat modelling training.

Agincourt Partners

Agincourt Partners provides cyber security services for UK small and medium businesses, including Cyber Essentials certification, managed protection, consultancy and staff training. The company's process runs through consultation, a risk review explained in plain language, and ongoing support once services or certification are in place. Its offering includes risk management, virtual CISO support, backup services and disaster recovery planning. The company cites UK government data showing 43 percent of businesses experienced a cyber breach or attack last year, with phishing involved in 51 percent of attacks.

AiMTech

AiMTech designs, secures and supports IT systems for UK businesses, working as both a provider and a certified assessor of Cyber Essentials and Cyber Essentials Plus. The company's cyber security service includes proactive monitoring and prevention, while its IT support covers fully managed, co-managed and outsourced models. AiMTech's penetration testing identifies vulnerabilities across network infrastructure, web applications and cloud platforms before they can be exploited. The company states it works with organisations in rail infrastructure and in the legal and financial sectors, alongside SMEs and other IT firms.

Akamai UK

Akamai Technologies provides cloud computing, cybersecurity, and content delivery services to businesses worldwide. It offers infrastructure, security, application protection, and edge network solutions for enterprises across industries such as finance, healthcare, media, and public sector. The company enables secure, scalable delivery of digital experiences through its global distributed platform.

Albany Technology

Albany Technology is a Hereford-based technology company providing secure technology services to businesses. Its services include Microsoft 365 security assurance, faster broadband and cyber advisory support, delivered in accordance with National Cyber Security Centre (NCSC) and NIST recognised frameworks. The company also acts as a Cyber Essentials Plus assessor, guiding organisations through certification, identifying risks and advising on regulatory requirements and security best practice.

Alpine Interactive

Altrigen Solutions

Altrigen Solutions provides IT support and cyber security for small and medium-sized UK businesses, supporting teams of up to 500 users. Services include remote, on-site and fully managed IT support, Cyber Essentials certification, penetration testing and GDPR support. The company also offers cloud and infrastructure services built around Microsoft 365, plus backup, disaster recovery and failover systems designed to reduce downtime. Altrigen Solutions works with public sector and large organisations on compliance-led infrastructure with defined service level agreements.

Angoka

Belfast cybersecurity company ensuring safe communication between connected devices, founded 2019.

Anomalo

Automated data quality monitoring platform detecting anomalies and issues before they impact production systems.

Antar Information Technology

Antar Information Technology provides IT support, cyber security and telecoms to businesses in Manchester, Salford, Altrincham and Trafford. The company has operated in the North West for over 40 years, offering proactive IT management and disaster recovery backups. Its telecoms service integrates video and chat with telephony as standard, and its cyber security offering covers anti-malware, Cryptolocker and phishing protection alongside staff security training. Antar also supplies server, PC, laptop and mobile device hardware, and holds Microsoft partner status.

Anviam Solutions

Anviam Solutions is a CMMI Level 3 appraised, ISO 9001 and ISO 27001 certified software company headquartered in Mohali, India, with an office in Chester, UK and another in Pennsylvania, USA. The company builds autonomous multi-agent AI systems on LangChain and LlamaIndex, retrieval-augmented generation pipelines and enterprise copilots on Claude, GPT and Gemini, and HIPAA-compliant health software with EHR and EMR integration. Other services cover AWS-native cloud migration, platform engineering and CI/CD automation, managed security and penetration testing, mobile app development, and custom SaaS platforms.

Apollo Technology

Apollo Technology provides IT support, telecoms and IT solutions to businesses, schools and individuals across Bath, Bristol, Keynsham, Trowbridge, Warminster and Wells. The company's cyber security service addresses protection against the roughly 21,000 cyber attacks it states occur daily in the UK. Apollo Technology offers cloud backup for Microsoft 365, Microsoft Azure and Google Workspace, alongside disaster recovery for virtual and non-virtual environments, and VoIP phone systems with call transfer, call recording and reporting features. The company also runs a walk-in repair centre in Radstock, aiming to turn around device repairs within three days.

Appurity

Appurity designs and manages secure endpoint strategies for organisations in regulated and high-risk sectors. The company provides endpoint protection for mobile and distributed devices, threat exposure and security validation testing, and endpoint management across ChromeOS, Android, Windows, macOS, iOS and Samsung devices. Its Managed Mobility Services and Gold Build cover configuration, deployment, documentation and support aligned to Cyber Essentials Plus, ISO 27001 and DORA. Appurity works with organisations such as Bristows LLP to strengthen endpoint resilience using tools including Absolute, supporting consistent device builds and automated enrolment across distributed teams.