Cybersecurity Solutions

Glasswall Solutions

Glasswall is a cybersecurity company that protects government agencies and commercial organisations from malicious files using Content Disarm and Reconstruction (CDR) technology. It serves entities such as the U.S. Department of Defense, intelligence communities, federal civilian agencies, global defense organisations, and financial services sectors by rebuilding files to a safe standard and preventing data exfiltration and malware threats.

Globelink UK Ltd

Globelink UK Ltd provides cybersecurity and IT security services from Kingston upon Thames. Offerings include firewall and endpoint protection, device and file encryption, multifactor authentication, cloud-to-cloud backup, penetration testing, security audits, breach response, network reviews, managed support packages with 24/7 monitoring, and procurement of servers, workstations and laptops. The company works alongside clients' IT teams to deliver tailored security strategies.

Grain Connect

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Greenlight Cyber

Greenlight Cyber is a Manchester-based cyber security division of Greenlight Computers Ltd, delivering cyber protection, compliance and investigation services to clients since 2006. The company reduces cyber risk through a curated suite of security tools suited to varied budgets, supported by a dedicated specialist team backed by Greenlight Computers' technicians and consultants who handle live IT and security challenges daily.

Gridserve

Gridserve provides managed IT services to UK-based schools, with particular expertise in the technical onboarding of academies and trusts. The company integrates platform, infrastructure and user technology for multi-academy trusts undergoing mergers or expansions, moving schools onto unified systems including Microsoft 365, single sign-on and endpoint management. Its services also include strategic IT leadership tailored to school budgets, day-to-day IT support, digital transformation and cyber security. Gridserve publishes testimonials from school leaders including Nishkam High School Birmingham and Reach Academy Feltham.

Grove Information Systems

HELYX SECURE INFORMATION SYSTEMS

Helyx is a specialist provider of geospatial information management and information exploitation solutions and services, serving predominantly the Defence and Government sectors with increasing opportunities in commercial markets. The company offers capabilities in Geospatial Technical Services, Information Management and Exploitation, Consultancy Services, and Specialist Training, delivering tailored solutions including IT system design, information-enabled systems, and context-based training aligned with the Defence Systems Approach to Training.

HEX SECURITY LIMITED

Hex Security Limited is a cyber security consultancy in Hereford providing assurance, Secure by Design, risk management and strategy services. Its consultants hold ISO/IEC 27001 and 22301 auditor, CISSP and CCSK qualifications, with over 20 years' experience. The company delivers threat and risk assessments, governance and compliance support, incident management planning, vulnerability analysis and security architecture, and supplies cyber security services to the UK Government through Crown Commercial Service frameworks.

HGS CX

HGS CX provides technology and outsourcing services spanning artificial intelligence, automation, cloud, cybersecurity and data analytics. The company delivers back-office and contact centre outsourcing, IT staffing and offshore staffing, alongside digital marketing, e-commerce and web experience platforms. Its intelligent interactions cover chat, social, voice and mobile channels, and its intelligent platforms combine applications, integration and data planning. HGS CX serves banking and finance, consumer packaged goods, healthcare, retail, public sector and telecom clients, citing proof of value delivery within 90 days.

HIPPO LABS

Hippo Labs provides an automated patient recall platform for NHS primary care practices, integrating with EMIS Web and SystmOne to identify patients needing action, deliver proactive communication via SMS, email, WhatsApp or NHS App, and track outcomes to support QOF targets and public health campaigns.

Hamilton Systems

Hamilton Systems is a Harrogate-based managed IT services provider delivering IT support, infrastructure monitoring, Microsoft 365 and Azure, cyber security and backup to UK businesses.

Hampden Consultancy Group

Hampden Consultancy Group (HCG) is a cyber security and risk consultancy delivering governance, risk and compliance, AI security governance, Secure by Design implementation, supply chain assurance, operational resilience and data protection services. HCG serves public sector, critical national infrastructure and private sector organisations, embedding into delivery teams to provide hands-on security leadership aligned to UK regulatory requirements. Services include Data Protection Officer as a Service and programme and project security support. HCG draws on experience from former government and global security roles to provide outcome-driven, practical security guidance.

Hardian Health

Software and AI medical device consultancy that has helped over 100 companies bring regulated products to market.

Harri

Frontline workforce management platform combining ATS, scheduling, and HR tools for hospitality and retail employers.

Hereford Infosec

Hereford Infosec is an information assurance and risk management company based in Hereford, serving public sector bodies, private sector organisations and private individuals across the West Midlands. Its services help clients protect sensitive information against threats including competitors, malicious insiders and technical failure. The Overwatch service provides protective monitoring, alerting and support for governance, risk and compliance requirements, including DCPP and GDPR support services.

Hexiosec Limited

Hexiosec builds UK cyber security products alongside consulting services. Its Hexiosec ASM platform provides external attack surface management through asset discovery, vulnerability detection and risk management, while Hexiosec Transfer offers end-to-end encrypted file transfer. The company also delivers cyber security and digital transformation consulting, including guidance following NCSC Web Check and Mail Check retirement. It serves organisations of all sizes across government, defence, legal, wealth and education sectors.

HighGround

HighGround provides a security reporting and sales platform for managed service providers (MSPs). It helps MSPs improve cybersecurity reporting, structure security offers, strengthen sales positioning and shorten sales cycles through a four-step framework covering audit and insights, stack optimisation, sales enablement and pipeline building. The company works with security-focused, growth-driven and sales-led MSPs in the US and UK, aiming to turn security services into predictable recurring revenue.

HighPoint

HighPoint delivers IT services covering modern network design, cybersecurity, hybrid cloud and managed services for enterprises. Its offering includes customer experience advisory, global integration services, and lifecycle and asset management for IT estates. The company has acquired CloudView Partners, expanding its hybrid cloud, platform engineering and automation capabilities across Azure, Microsoft 365 and AWS. HighPoint also provides managed services for education, supporting school district technology. It operates from global headquarters in Sparta, New Jersey, and lists a UK contact number alongside its US and service centre lines.

Highcorrie IT Services

IT services company covering Glasgow, Stirling and Scotland.

Hookdeck

Event gateway and webhook management platform for developing, testing, monitoring, and scaling webhooks.

Humaans

AI-powered HRIS for growing teams offering onboarding automation, org charts, and integrations with the modern HR stack.

Human Made

Enterprise WordPress and cloud architecture consultancy for large-scale digital publishing.

Hyperexponential

Pricing decision platform for specialist insurers to build, deploy and analyse pricing models.

Hyperonex Ltd

Hyperonex Ltd is a Barnsley-based cyber security consultancy offering strategic advisory and human-centric awareness training. Advisory work covers security strategy, risk management, CISO and vCISO support, compliance with GDPR, ISO 27001, Cyber Essentials and NIS2, plus secure digital transformation including cloud security and DevSecOps. Training programmes span phishing simulations, password and remote working security, data handling, executive briefings and incident response tabletop exercises.