Cybersecurity Solutions
Comprehensive cyber security and threat protection
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Seraphic Security
Enterprise browser security platform preventing web-borne attacks, phishing, and data leakage from within the browser.
Serbus Group Limited
Serbus designs, builds and maintains secure communications systems and resilient digital infrastructure for the UK's critical national services. Its UK-based team advises on network foundations, secure communication and ongoing optimisation for clients across government, enterprise, health, defence, data centre and industrial sectors, supporting hospitals, factories, defence facilities and data centres where availability and security are essential.
Serio Technical Solutions
Serio Technical Solutions provides managed IT, cloud and cyber security services for sole traders and small UK businesses. Its five service areas cover managed IT support such as remote and on-site help and device lifecycle management, Microsoft 365 administration including Entra ID, Intune, Teams and SharePoint, cloud and infrastructure work such as network design, virtualisation and hybrid cloud deployments, cyber security including endpoint protection and identity security, and managed hosting with monitoring, backups, SSL and DNS. The company positions itself as a single accountable technical partner with clear monthly pricing.
Shift Key Cyber
Shift Key Cyber provides cyber security consulting services tailored to organisations of all sizes and sectors. The company is an NCSC Assured Service Provider and operates as an IASME certification body, with over 50 years of combined information and cyber security experience across its consultants. Services span cyber risk assessment, governance advisory, assurance reviews, certification support and resilience planning, with approaches built around each client's specific security requirements. Shift Key Cyber is registered in England and Wales as company number 13676908.
Shorenet
Shorenet produces a macOS desktop application that captures web evidence for legal and regulatory proceedings. Every captured session preserves the server's own authentication tags through the Unwitting Witness method, with an independent relay witnessing the tags in transit. Packets are Merkle-anchored at the moment of capture under a signed session commitment, making captures tamper-evident and independently verifiable by any examiner without requiring a Shorenet server, account or cooperation. The application is built for post-quantum cryptography and is designed for courts and regulatory bodies requiring provable digital evidence.
Simply Super Software
Simply Super Software develops Trojan Remover, a Windows utility that removes Trojan horses, worms, adware and spyware when standard anti-virus software fails to detect or eliminate them. The tool scans files loaded at boot time, detects rootkit-hidden files and services, and reverses system modifications made by malware without manual Registry editing. It runs on all versions of Windows from Windows 7 upwards.
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.
Sleuth UK
DORA metrics and deployment tracking platform giving engineering teams visibility into software delivery performance.
Sloop Tech
Sloop Tech provides IT support to UK professional services firms and funded start-ups, including finance, legal and consulting businesses, based in Surbiton. The company offers a 24/7 helpdesk with remote fixes, and its team includes engineers trained in Cisco and Meraki environments, working entirely remotely to support teams across the UK. Sloop Tech sells bundled packages covering cyber security, compliance support and threat monitoring, system monitoring, backup and device management, and strategic IT planning including cloud migration and integration services.
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.
Solo.io UK
Service mesh and API gateway platform built on Istio and Envoy providing observability, security, and traffic management.
Sonata Software
Sonata Software provides technology modernisation services spanning cloud, data and Microsoft Dynamics 365 platforms. The company delivers cloud migration for AWS, Azure and Google Cloud, data modernisation using Microsoft Fabric and Snowflake, and Dynamics 365 transformation across finance, supply chain and human resources modules. Its practice covers cybersecurity, SAP modernisation, Salesforce implementation, robotic process automation and AI-driven quality engineering, serving banking, retail, healthcare and manufacturing clients. Sonata Software operates through subsidiaries with board governance and investor relations reporting.
Sophos
Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats. Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. More information is available at www.sophos.com.
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.
Square Edge IT Solutions
Square Edge IT Solutions provides IT services, cybersecurity and cloud solutions to businesses across the UK, based in Dorridge. The company's cybersecurity services cover network security, data protection and compliance auditing, while its cloud services include cloud migration, infrastructure management and backup solutions. Square Edge IT Solutions also offers IT support and consulting, including 24/7 help desk support, system maintenance and strategic technology planning.
Strand Intelligence
Strand Intelligence is a Manchester-based cybersecurity firm whose agentic AI platform automates digital forensics and incident response for ransomware, BEC and EDR alerts, with containment and audit-ready reporting.
SurrealDB
SurrealDB is the context layer for AI agents. One database for documents, graphs, vectors, and time-series. One transaction from storage to memory. No middleware.
Swimm UK
Code documentation platform keeping docs in sync with code changes and embedded directly in developer workflows.
Sword Health
Sword Health provides an AI-powered care platform that combines human clinical expertise with artificial intelligence to deliver muscle and joint pain management, women's health support, cardiometabolic health programmes, and mental health services. It serves employers, health plans, unions, consultants and brokers, and individuals seeking on-demand clinical pain specialists and digital therapy solutions.
SyTech IT
SyTech IT provides managed IT support, cyber security and cloud services to businesses, alongside internet and communications, infrastructure, and backup and disaster recovery services. The company holds Cyber Essentials certification and supports projects and strategic planning for its clients across managed support, infrastructure and connectivity. SyTech IT is based in Stoke-on-Trent and takes calls and emails directly from its team of experts to arrange support, tailoring long-term technology solutions to each business it works with.
Synergize Consulting
Synergize Consulting is a technology and engineering consultancy founded in 2002 that places specialist talent and delivers project solutions for complex programmes in the public and private sectors. Headquartered in the UK with a European delivery hub in Dublin, the company operates globally. Recognised as a security clearance specialist, Synergize partners with government departments, defence contractors and multinational organisations across sectors including digital and data, defence, advanced manufacturing, financial services and renewables.
Synium IT
Synium IT provides managed IT support, cybersecurity, Microsoft 365 consulting and telecoms services to small and medium-sized businesses across Birmingham and the West Midlands.
Synthesia
Create AI generated videos from text with the most advanced AI avatars and voiceovers in 160+ languages. Try our free AI video generator now!
Syrenis
Consent and preference management platform helping organisations comply with GDPR and data privacy regulations.
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