
Ontotext is a global leader in semantic technology and knowledge graph solutions, helping enterprises manage complex data and derive insights through Generative AI and Large Language Model integration. With over 20 years of expertise, Ontotext transforms data into competitive advantages by combining semantic graph databases with text mining and machine learning. Their core products include Ontotext GraphDB, Ontotext Metadata Studio, Ontotext Semantic Objects, and Ontotext Refine, which enable organizations to build big knowledge graphs for better interlinking, analysis, and reuse of business-critical data. Ontotext serves various industries including Life Sciences, Financial Services, Manufacturing, and Public Sector, facilitating innovation and data interoperability.

Ontotext is a global leader in semantic technology and knowledge graph solutions, helping enterprises manage complex data and derive insights through Generative AI and Large Language Model integration. With over 20 years of expertise, Ontotext transforms data into competitive advantages by combining semantic graph databases with text mining and machine learning. Their core products include Ontotext GraphDB, Ontotext Metadata Studio, Ontotext Semantic Objects, and Ontotext Refine, which enable organizations to build big knowledge graphs for better interlinking, analysis, and reuse of business-critical data. Ontotext serves various industries including Life Sciences, Financial Services, Manufacturing, and Public Sector, facilitating innovation and data interoperability.
What they do: Semantic technology and knowledge-graph products and services (GraphDB, Ontotext Refine, Metadata Studio, Semantic Objects)
Headquarters / offices: Sofia, Bulgaria; offices in Switzerland and the USA
Founded: Originated as R&D lab in 2000; spun out in 2008
Employees: 61
Recent investor activity: 2022 acquisition / growth funding led by Integral Venture Partners; consortium included PortfoLion and Carpathian Partners
Data integration, semantic search, knowledge graphs, enterprise AI/ML and data interoperability.
2008
Enterprise software; semantic technology; data & analytics
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Public record lists a funding-related date of May 26, 2008
€11,000,000
May 26, 2022 announcement of acquisition / growth funding by an Integral-led consortium including PortfoLion Capital Partners and Carpathian Partners; September 2022 described as a €11 million investment from the consortium
“Acquired / received growth funding in 2022 led by Integral Venture Partners; consortium included PortfoLion Capital Partners and Carpathian Partners”