AI & Machine Learning Startups

Overtone is a platform that analyzes real-time digital news and media to generate insights into how stories resonate with audiences and align with brand values. The company serves advertising, publishing, and public relations professionals seeking data-driven content intelligence.

1 investor

Overwatch Data provides an AI-based threat intelligence platform that monitors open, social, and dark web sources to generate real-time insights for security, fraud, and risk teams. It targets businesses seeking to detect and respond to digital threats and fraud.

1 investor

Overwatch AI develops AI tools for airline operations. The company applies machine learning to support frontline aviation challenges.

1 investor

Benchling In Vivo is software for managing preclinical in vivo studies, including study design, animal randomization, data capture, and reporting across efficacy, tolerability, and survival studies. The platform consolidates animal assignment, dosing schedules, and study observations in a digital system to replace spreadsheets and paper records.

1 investor

Harver provides an automated hiring platform designed for organizations conducting high-volume recruitment at scale. The solution combines candidate screening, predictive assessments, virtual interview automation, and data-driven analytics to accelerate hiring decisions while reducing bias and maintaining quality.

1 investor

Ovianta is an AI platform for medical clinics and hospitals that deploys voice agents and automated workflows to handle patient calls, appointment scheduling, reminders, waitlist filling, and outreach campaigns via phone or WhatsApp. It integrates with clinic-management systems and telephony, enriches patient records, and provides analytics dashboards, with support for Spanish clinic systems and GDPR compliance.

1 investor

Ovida builds AI systems designed to augment human capabilities rather than replace them, focusing on enhancing awareness and connection. The company serves organizations seeking to measure and operationalize "augmented humanity" as a performance model.

1 investor

Ovinto offers an AI-driven, API-first supply chain orchestration platform that centralizes and connects a company's existing software tools into one environment, using conversational AI, dashboards, and automation to provide real-time visibility and analytics. It serves operations teams in industries such as rail freight, intermodal supply chains, and food manufacturing, with a customer base that includes chemical corporations.

1 investor

An AI-assisted recruiting platform connecting London startups with specialist recruiters on a pay-per-hire basis. The service combines human expertise in specific markets with AI sourcing to present pre-screened candidates without upfront fees or retainers.

1 investor

Ovomind builds an end-to-end platform that converts biosignals from a patented smartband into real-time emotional data, delivered via SDKs and a cloud AI engine for companies to create emotion-aware products, services, and interfaces. It serves hardware makers, product designers, and developers across sectors such as mobility, wellness, and entertainment, and offers hardware and software licensing of its patented biosensing architecture.

1 investor

OVER builds a decentralized spatial intelligence platform that trains Large Geospatial Models on 3D mapping data to support robotics, machine perception, and spatial AI, and offers AI-powered tools for creating and publishing AR/XR experiences tied to real-world locations. It serves both enterprises and Web3 participants through a DePIN model where users can own spatial domains and share revenue from B2B XR publishing.

1 investor

OVER builds geospatial AI models and spatial intelligence tools trained on 3D mapping data, serving robotics, autonomous systems, and XR developers. The company offers large geospatial models, precision navigation systems, and AI-powered tools for creating augmented reality experiences.

1 investor

OWIT builds an insurance data and process management platform (Insurance Workbench, combining IDM and IPM) that handles bordereaux, policy, claims, and cash data across the insurance program lifecycle. Founded in 2018, it serves insurers and administrators with workflow-driven tools and a built-in AI layer for data quality, compliance, and operational efficiency.

1 investor

Owl Brokers is a licensed Canadian insurance brokerage for group employee benefits, pairing human advisory with a proprietary AI platform that ingests plan documents and processes quotes, renewals, benchmarking, and reporting. It serves organizations of all sizes as well as brokers and cross-border sponsors, handling day-to-day service, renewals, and employee support.

1 investor

Owlue uses AI to analyze a property's tax assessment against comparable sales and prepares and files property tax appeals on behalf of homeowners. It operates on a contingency model, charging a fee only when an appeal successfully reduces the client's property taxes.

1 investor

Ownli collects verified, consent-based first-party data directly from insurance policyholders and uses an AI engine to validate accuracy and screen for fraud. It serves insurance carriers, helping them improve data quality, reduce loss ratios, refine pricing, and build proprietary datasets for model training.

1 investor

OWNY provides enterprise-grade infrastructure for managing private wealth, capital, and payments globally, with core capabilities in USD payments, settlements, and stablecoin clearing for financial institutions. The platform offers real-time compliance controls, direct USD bank accounts, and API-first integration with multiple payment rails.

1 investor

Oxford DataPlan provides daily revenue and key performance indicator estimates for listed companies worldwide using alternative data and data science. The platform serves investors, AI systems, and corporations seeking real-time insights into company and sector performance.

1 investor

Oxford provides AI advisory and consulting services, helping organizations with AI strategy, governance, readiness assessment, pilot execution, and adoption planning to move from experimentation to measurable business value. It supports enterprise clients across the full AI lifecycle through staffing, co-managed, or full delivery engagement models.

1 investor

Oxford Investment Opportunity Network (OION) is a business angel network that connects investors with early-stage, high-growth UK companies eligible for EIS or SEIS tax relief. The network facilitates pre-screened investment opportunities across sectors including deep tech, AI, life sciences, and clean tech, with typical deal sizes between £100,000 and £2,000,000.

1 investor

Oxford Semantic Technologies develops RDFox, an in-memory knowledge graph and semantic reasoning engine that uses logic-based inference to deduce new facts and deliver explainable, auditable results for AI applications. It targets enterprises needing high-performance, scalable knowledge graphs, with a footprint compact enough to be embedded on edge and mobile devices.

1 investor

Oximy provides a system to help enterprises move from AI procurement to measurable productivity gains through behavioral change management. The platform addresses shadow AI proliferation and pilot failures by implementing continuous cycles of understanding, acting, and quantifying AI adoption across organizations.

1 investor

Oxla develops an MPP-based, Postgres-compatible SQL query engine for large-scale, low-latency analytics, marketed as Redpanda SQL for connecting agentic AI applications with data. It emphasizes data sovereignty (GDPR/HIPAA compliance), high read throughput, cost efficiency, and managed operations.

1 investor

Oxoia offers AI-powered plug-and-play software that analyzes and automatically controls building operations to reduce energy costs and CO2 emissions for property owners and facility management service partners. The company serves the Swiss real estate market, with customers including SBB, Zurich Airport, and Mobimo Management.

1 investor