AI & Machine Learning
AI and ML platforms for prediction and automation
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OneFile
e-Portfolio and apprenticeship management platform for training providers, employers and awarding bodies.
OneID
Bank-verified digital identity service using Open Banking to enable secure, frictionless online identity proofs.
OneUptime
Open-source unified observability platform providing infrastructure monitoring, incident management, and status pages.
Onfido
Onfido, now part of Entrust Identity Verification Solutions, provides AI-powered biometrics and document intelligence to verify customer identities during onboarding and throughout the customer lifecycle. It serves organisations in financial services, healthcare, government, telecom, education and enterprise sectors seeking to prevent fraud, meet KYC and AML compliance requirements and secure high-risk transactions.
Open Climate Fix
Non-profit tech company using ML to forecast solar power generation for grid operators.
Open Connections Solutions
UK RPA and natural language processing solutions provider.
OpenAI
OpenAI develops and deploys artificial intelligence research and products. ChatGPT provides conversational AI for consumers and business users, with applications spanning customer operations, marketing and financial analysis. The API Platform gives developers programmatic access to OpenAI's models. OpenAI publishes research in mathematics, theoretical computer science and AI safety. Enterprise customers including Virgin Atlantic and Zapier use the platform to automate workflows and improve business efficiency.
OpenSky Data Systems
OpenSky Data Systems provides enterprise AI and data platform solutions, including intelligent process automation, data governance, AI risk management, and managed services, to organisations in healthcare, life sciences, and public sectors across Europe, the United States, and APAC. The company supports national data platforms and governed AI systems in regulated environments requiring security, reliability, and compliance.
OpsLevel UK
Developer portal and service catalogue platform helping engineering teams manage software ownership.
Opsyte
Hospitality management platform offering restaurant and bar analytics, rota management, HR and finance reporting.
Optalysys
Optalysys develops programmable silicon photonic Compute-in-Transit technology for AI infrastructure. The company integrates photonic compute into the optical transport layer, enabling operations to be performed directly within the data path rather than moving data between memory, accelerators and interconnects. This approach reduces movement overhead and creates additional compute capability for data-movement-constrained infrastructure, including large-scale AI workloads. Optalysys is based in Leeds and Santa Clara and was founded by a team specialising in photonic computing for the AI era.
Opteran Technologies
Neuroscience-inspired autonomy software company replicating insect brain navigation for low-power autonomous systems.
Optic
API change management platform detecting breaking changes in CI and automatically generating changelogs.
Options Direct
Options Direct provides configuration, building and shipping of servers, storage and networking equipment worldwide, with specialist knowledge in low-latency HFT systems for capital markets. They offer end-to-end global IT logistics, integrated solutions with Tier 1 vendors, GPU-based systems for AI and ML, software-defined storage partnerships, and third-party support for remote hands and spares across client estates.
Optmyzr
PPC management and automation platform with AI tools for optimising Google Ads and paid search campaigns.
Orbital Witness
Orbital provides an AI platform for commercial real estate legal work, supporting law firms, real estate businesses, and occupiers. It helps legal and property teams understand assets, visualise property data, draft and negotiate documents, and coordinate deal parties to accelerate transactions and manage risk.
OrderHive UK
Inventory and order management software for ecommerce and wholesale businesses.
Orpheus Cyber
Threat-led cyber risk management platform with predictive vulnerability prioritisation and third-party risk scoring.
Ortec UK
Advanced planning and optimisation software for workforce scheduling, route planning and supply chain.
Ory
Open source identity infrastructure providing OAuth2, OIDC, and permission management for cloud-native apps.
Osano
Data privacy platform providing consent management, vendor risk monitoring, and privacy compliance automation.
Oso
Authorisation as a service platform providing fine-grained access control built on relationship-based access control.
Ostina
Ostina provides AI automation for UK sole traders, startups and small to medium businesses. Its toolset covers proposals, email triage, call handling, meeting actions, task management and invoice chasing, supported by a portal and knowledge base. The company also builds and trains sector-specific AI staff, such as patient coordinator and case intake roles, and delivers branding, web design, lead generation and social media marketing.
Otter.ai
AI meeting transcription and note-taking platform integrating with Zoom, Teams, and Google Meet.
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