Network Security

NIGHTBALL TECHNOLOGIES

Nightball Technologies Limited is an independent provider of cyber secure solutions and services based in the United Kingdom. The company delivers zero trust, cyber resilient solutions to improve the resilience of high risk and critical operational environments. Its offerings include privileged access management, system design and integration, high performance solutions, and zero trust cloud deployments.

Novus BT

Novus BT provides cybersecurity, network, managed and professional services alongside its academy for businesses. Collaborating with global brands, it offers operational expenditure models, cloud-based management, data centre solutions, communications, platform capabilities and strategic IT consultancy to help organisations build secure infrastructure, reduce operational costs and enhance cybersecurity efficiency.

OSG CLOUD

Oakford Internet Services

Oakford Internet Services provides broadband and IT solutions for education and business sectors, including filtered school broadband, rural connectivity, enterprise fibre optic services, and additional support such as firewall configuration and email migrations. They serve schools, businesses, and rural sites across the UK with approved and tailored connectivity options.

PRESS OFFICE SOLUTIONS

Press Office Solutions provides COLIN, a media management tool designed to help organisations handle press enquiries during crises and routine operations. It supports logging, assigning and tracking responses to journalists, coordinating team messaging, maintaining organisational knowledge bases and using AI-assisted drafting. The tool serves UK government departments, public sector bodies and global businesses needing secure, auditable press office workflows.

SECQAI

SECQAI designs and manufactures dual-use hardware and software for confidential computing. Its Trusted Platform Module, built on a proprietary Q-Locked architecture, provides device authentication and attestation for servers, consumer devices and edge IoT infrastructure. The company offers lattice-based accelerators for post-quantum cryptography, post-quantum firmware signing to protect embedded software, and a quantum random number generator designed for low-power applications. SECQAI products are intended to secure device supply chains against both current and future cryptographic threats.

SELCOM SYSTEMS

Selcom provides managed cloud and application hosting, IT support, and software development services for UK businesses and organisations. They offer dedicated server and private cloud platforms using Microsoft .NET, SQL, PHP, and Linux technologies, alongside FilePro case management for legal professionals and vjoon K4 publishing solutions for brands and agencies.

Secarma

Secarma provides cyber security services including advisory, certification and testing. They support organisations in building resilience through ISO 27001 gap analysis internal audit and vCISO services. Their certify arm guides clients through Cyber Essentials and IASME Cyber Assurance. Testing services cover web mobile AI infrastructure cloud wireless and red teaming to uncover real risks. They serve businesses seeking to strengthen defences and meet recognised security standards.

Secure Systems and Technology

Secure Systems and Technology manufactures TEMPEST-certified IT equipment, EMSEC cabinets and security-hardened hardware from a 22,000 square-foot purpose-built facility in Gloucester, UK. The facility is the only purpose-built TEMPEST design, manufacture and certification operation under one roof in the UK, operating under ISO 9001, ISO 14001 and ISO 45001 standards. SST has over 30 years of experience supplying secure products to defence and government clients. Its alarm analysers and sensors are approved by the UK Government's National Protective Security Authority and listed in the Catalogue of Security Equipment.

Security Audit Systems

Seraphic Security

Enterprise browser security platform preventing web-borne attacks, phishing, and data leakage from within the browser.

Sitehop

Sitehop provides FPGA-powered hardware encryption for critical networks in defence, intelligence, government, critical national infrastructure and financial services sectors. Its SAFE Series encrypts data in motion with latency up to 10,000 times lower than software alternatives, supporting full duplex throughput of up to 200 Gbps, and uses up to ten times less power than software encryption. Sitehop's solutions are crypto-agile and post-quantum ready, enabling networks to transition to new cryptographic standards as they emerge without performance compromise.

Smoothwall

Smoothwall provides digital safety and wellbeing solutions for children in UK education, supporting schools, parents and caregivers with filtering, monitoring and educational resources to safeguard students online. The organisation serves over 32,000 schools globally and one in three UK schools rely on its solutions to protect tens of thousands of children daily.

Sniffa Network Security Solutions Ltd

Sniffa Network Security Solutions provides network detection and response (NDR) services aimed at small and medium-sized businesses. The company deploys out-of-band network sensors for monitoring and signature-based intrusion detection, centrally collects and enriches sensor data, and offers threat hunting through its own products including Detect Manager, Detect Sensor, Log Hunter and the free Log Viewer. Managed and professional service tiers cover multi-cloud, virtual and on-premises NDR deployments.

Spitfire Network Services Ltd

Business Internet & Telecoms, line rental, calls, VoIP, SIP & Internet. Business specialists: low cost, resilient solutions - wide range of DR & back up solutions.

Talos

Talos powers institutional access to the digital assets and crypto market - With full trading lifecycle coverage from price discovery all the way through to execution and settlement.

Teclan

Telcom Group

UK business connectivity and managed services provider offering leased lines and cloud networking.

ThreatLocker UK

ThreatLocker provides a Zero Trust platform that secures endpoints, cloud, and network environments by allowing only approved applications and blocking everything else by default. It serves organisations across industries such as financial, healthcare, education, government, manufacturing, and MSP/MSSP, helping them stop ransomware, achieve compliance, and reduce admin privilege abuse through granular control and 24/7 expert support.

Tigera UK

Unified network security and observability platform for Kubernetes powered by Calico, the leading open-source CNI.

Tikit

Legal practice management and marketing software for UK law firms covering CRM, business development, and document management.

Titania

Titania offers software for network security and compliance. Accurately detect vulnerabilities, automate the evidence and risk-prioritise remediation.

UK Host4U

UM Labs

UM Labs is a research and development company specialising in real-time communications cybersecurity. Its Unicus UOS platform uses artificial intelligence and machine learning to provide multi-level controls across network, application and media layers simultaneously, addressing attack surfaces unique to IP-based voice, video and data communications. Solutions are sold either as complete systems or as components within end-to-end compliant deployments covering protection, intercept and archive. The company also addresses IoT security challenges associated with 5G networks and edge computing.