Oxford Semantic Technologies
Oxford, GB · 1 known investors
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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.
Founders & leadership
IH

Ian HorrocksCo-founderIan Horrocks is a Professor of Computer Science at Oxford University and Fellow of the Royal Society with research expertise in knowledge representation, ontologies, and automated reasoning systems. He co-founded Oxford Semantic Technologies and contributed to the development of the W3C's OWL ontology language standard.
PC

Peter CrockerChief Executive Officer and Co-FounderPeter Crocker holds an MSc in Software Engineering with distinction and an MEng in Engineering Science (first class) from Oxford University. He has product management experience in IoT and background across information technology and services, and founded Oxford Semantic Technologies, which develops RDFox, a knowledge graph and semantic reasoning engine.
Investors · 1
Companies House · registry record
View on Companies House ↗- Registered name
- OXFORD SEMANTIC TECHNOLOGIES LIMITED
- Company number
- 10531895
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 Dec 2016
- Registered office
- Inventa, Botley Road, Oxford, OX2 0HA
- Nature of business (SIC)
- 62090 — Other information technology service activities
- Accounts
- last made up to 31 Dec 2024 · next due 30 Sept 2026
- Confirmation statement
- last made up to 8 Jan 2026 · next due 22 Jan 2027
Current officers · 5
- Mary Catherine Di Nunzio — secretary, appointed 25 Sept 2024
- Mathieu Apotheker — director, appointed 14 Aug 2024
- Peter Crocker — director, appointed 16 Jul 2024
- Jaeyoon Ko — director, appointed 24 Jan 2025
- Yunsu Lee — director, appointed 16 Jul 2024
Source: Companies House public register · retrieved 23 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Frequently asked questions
- What does Oxford Semantic Technologies do?
- 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.
- Who founded Oxford Semantic Technologies?
- Oxford Semantic Technologies was founded by Ian Horrocks, Peter Crocker.
- Who are Oxford Semantic Technologies's investors?
- Oxford Semantic Technologies's investors include Oxford Science Enterprises.
- Where is Oxford Semantic Technologies headquartered?
- Oxford Semantic Technologies is headquartered in Oxford, GB.

