Cloud Computing Platforms

STACK Infrastructure

STACK Infrastructure develops and operates hyperscale data centres and colocation facilities across 24 global markets, with more than 8.5 gigawatts of capacity built and under development and a further 7.5 gigawatts planned. The company provides scalable campus designs with AI and ML density configurations and flexible deployment options including powered land. STACK embeds sustainability practices into its development strategy and serves cloud providers and technology companies requiring predictable, large-scale digital infrastructure.

STRATEGIC BLUE SERVICES

Strategic Blue optimises cloud pricing for enterprises and UK public sector organisations by providing AWS Reserved Instance and Savings Plan management, delivering predictable savings of up to 45% without lock-in contracts. They serve CFOs, CTOs, engineers, procurement, FinOps and security teams seeking to reduce cloud costs while maintaining technical flexibility and gaining clear financial insights through their Automate and Accelerate service plans.

STULZ

STULZ manufactures precision air conditioning units, air handling units, chillers and humidity control systems for data centres and mission-critical applications. The company has over 75 years of experience in the cooling sector and serves customers through a global network. Products are designed to operate energy-efficiently and reduce CO2 footprint through customised configurations suited to the specific needs of each installation. STULZ UK provides products and support for data centre cooling requirements in the United Kingdom.

SUDOCYBER

SudoCyber accelerates sovereign capability development for defence, law enforcement, education and industry by integrating structured learning, high-fidelity cyber ranges, adversarial exercises and real-time competency analytics into a unified ecosystem. It delivers hands-on labs, expert-led training and verifiable readiness metrics to build operational proficiency under pressure for military units, national agencies, enterprises and youth organisations.

SUNRISE SOFTWARE

Sunrise Software provides service management software for UK service desks, offering a configurable platform with self-service portal, SDI-compliant reporting, and integrations. It serves organisations across public and private sectors, including NHS trusts, councils, education, and service providers, supporting IT, HR, facilities, and shared services teams.

SUPPORT REVOLUTION

Support Revolution Ltd provides third-party support for enterprise software including Oracle, SAP, IBM Db2, and VMware, offering managed services, security, health checks, and tax, legal, and regulatory updates to organisations seeking cost savings and tailored support.

SYNERGIC LINKS

Safe Security UK

AI-powered cyber risk management platform for enterprises to measure and manage cyber exposure.

Saigon Technology

Saigon Technology is an ISO-certified Agile software development company in Vietnam, with headquarters in Ho Chi Minh City, three development centers, and over 400 engineers.

Salt Security UK

API security platform using AI to discover APIs, detect threats, and prevent attacks across API-driven environments.

Sandbox Studio

Sandbox Studio automates the lifecycle of temporary AWS environments, delivering pre-loaded accounts within seconds. The platform lets teams customise account templates with granular permissions and launch settings, monitor sandbox usage across an organisation, and track spending through built-in cost controls. It runs entirely within a customer's own AWS organisation, applying the policies and controls that organisation defines. Sandbox Studio has been reviewed and validated by AWS and is listed on AWS Marketplace, and is aimed at teams working on AI and machine learning, research, hackathons, cloud operations, learning and skills development, migrations, proof-of-concept and pilot projects.

SandboxAQ

SandboxAQ combines artificial intelligence and quantum techniques to build Large Quantitative Models (LQMs) that address complex real-world problems in pharma, energy, defence and other sectors. LQMs work alongside large language models to deliver quantitative outputs grounded in physics, chemistry and biology. The company has received a $500 million CHIPS R&D Award for research into new chipmaking materials and has a technology partnership with Anthropic for LLM integration. SandboxAQ's product areas include AI simulation, cryptography management and AI sensing.

Sapient (Publicis)

Publicis Sapient builds AI platforms and modernizes enterprise systems for organisations across industries. It provides Bodhi for AI agent orchestration, Slingshot for legacy system modernization, and Sustain for AI-enabled IT operations resilience. The company serves enterprises seeking to scale AI, update technology, and improve operational reliability through context-aware solutions grounded in business context and governed centrally.

Sapphire Systems

Satalia

AI and optimisation company providing workforce scheduling, supply chain, and operational efficiency solutions.

Scaffold Digital

Northern Ireland software company founded in 2008 with over 16 years experience delivering custom web and mobile software products.

Scalr UK

Terraform automation and collaboration platform providing policy as code, remote state, and self-service infrastructure.

Schnell

Bespoke Software Development designs and delivers AI-powered software, automation platforms, and custom systems for organisations across industries including SMEs, government, healthcare, retail, and technology startups. Their services include AI agents, workflow automation, predictive analytics, document processing, web and mobile applications, customer portals, SaaS development, and legacy system modernisation, supporting real operational needs with scalable, secure solutions.

Sciento

Sciento Technology provides QDPconnect, a cloud computing platform connecting image analysis software for quantitative digital pathology. The service offers on-demand scalable computing power, parallel multi-image processing, flexible cloud storage and remote working, with integration into HALO and Visiopharm image analysis software. It includes fully managed software updates, a dashboard to control and monitor resources, and a built-in audit trail for security and compliance.

Secure Privacy

Consent management and cookie compliance platform with automated website scanning for GDPR and ePrivacy.

SecureAck

SecureAck provides the A-Ops platform and Managed Automation-as-a-Service (MAaaS) to deliver intelligent security automations for IT and OT environments. The platform enables organisations to build limitless, scalable workflows that maximise existing security solutions, improve incident response times, and empower security teams to focus on complex challenges by automating repetitive tasks.

Secureframe UK

Automated security compliance platform helping organisations achieve and maintain SOC 2, ISO 27001, and GDPR compliance.

Securonix

Cloud-native SIEM platform with UEBA, SOAR, and threat detection powered by machine learning.

Seer (AI/Flytta)

Middlesbrough AI company developing Flytta, a workflow automation platform for enterprise operations.