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Welcome to our “History” page.

ONEX SA was established in 2004 under the name Defencom SA and became ONEX HELLENIC SA in January 2008. At the end of 2012 the company became ONEX SA.







ONEX’s driving force for development, expansion and innovation was always characterized by eagerness to provide tailor made solutions to its customers so as to optimize their companies’ productivity and business value:

Our Milestones

2007: We invest in training and operating our Business Service Center.

2008: We invest in engineering and prototype design security systems for critical infrastructures.

2009: We invest in a large scale Digitization Service Center in Greece.

2009: Entry in Nanotechnology Market (GLONATECH SA).

2010: We successfully produce the very first quantities of the highest purity, nanotubes worldwide.

2010: We invest in establishing a high expertise team in MRO & Aero structure services.

2011: We invest in establishing one of the most “state of the art” laboratories for nanomaterial in the


2011: We invest in acquiring one of the most experienced teams in the region in telecommunications

engineering and consulting.

2012: We invest in establishing the first nanotube industry in the region

2013: The US company ONEX Technologies INC. is established in New York

2013: ONEX launches a new representation office in Brussels

2014: ONEX SA is selected as one of the final 100 best European Companies and receives the honorary title “Ruban d’ Honneur”

2014: Panos T. Xenokostas, ONEX SA President & CEO, is nominated (among 10 finalists) for the Best European Entrepreneur at the 2014 European Business Awards, in Athens, Greece.

2015: Panos T. Xenokostas, is awarded as one of the 10 best Entrepreneurs in Europe, for the second consecutive year, at the European Business Awards 2014/15 in London.

2016: Market penetration in North & Western Africa Market

Thank you for visiting our “History” page.

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