Ardian-backed IONISOS buys Leoni Studer Hard GmbH

IONISOS, a portfolio company of Ardian, has acquired Leoni Studer Hard GmbH, a European provider of irradiation accelerator technology used to crosslink pipes and cables for the construction and automotive sectors. No financial terms were disclosed.


Dagneux, France. November 3rd, 2016. IONISOS, the leading provider of cold sterilization services in France and Spain announced today that it has completed the acquisition of Leoni Studer Hard GmbH from Leoni Group.

Located in Bautzen (on the German-Polish border), Leoni Studer Hard GmbH operates state-of-the-art irradiation accelerator technology for the crosslinking of pipes and cables used in construction and automotive industries. The company was established in 2008 to serve key clients located in Germany, Poland and the Czech Republic.

“This acquisition is a strategic milestone for IONISOS, allowing the group to extend both its range of services and its geographical reach by entering the greater German market”, said Michel GOMINET, President of IONISOS. “We see this acquisition also as a springboard for future growth opportunities, given its excellent location in Europe”.

“We are delighted to complete this acquisition. It is an important step in the creation of a pan-European organisation”, adds Laurent GAREAU, non-executive Chairman of IONISOS Board.

Since July 2016, IONISOS is a portfolio company of Ardian, the independent private investment company. “Having only recently acquired IONISOS, we are delighted to support this strategic acquisition. We are convinced that IONISOS is a strong platform for a buy-and-build story at a European level”, said Francois JERPHAGNON, Chief Investment Officer at Ardian Expansion.

IONISOS is a French company established since 1993 operating 6 facilities across France and Spain. The Company provides specialist treatment by ionizing radiation and ethylene oxide for medical devices, pharmaceuticals, cosmetics and food packaging products for the purpose of sterilization, decontamination and also for the reticulation (crosslinking) of various products used in automotive and other industries.

Ardian, founded in 1996 and led by Dominique Senequier, is an independent private investment company with assets of US$60bn managed or advised in Europe, North America and Asia. The company, which is majority-owned by its employees, keeps entrepreneurship at its heart and delivers investment performance to its global investors while fuelling growth in economies across the world. Ardian’s investment process embodies three values: excellence, loyalty and entrepreneurship.

Ardian maintains a truly global network, with more than 430 employees working through twelve offices in Paris, London, Frankfurt, Milan, Madrid, Zurich, New York, San Francisco, Beijing, Singapore, Jersey, Luxembourg. The company offers its 550 investors a diversified choice of funds covering the full range of asset classes, including Ardian Funds of Funds (primary, early secondary and secondary), Ardian Private Debt, Ardian North America Direct Buyout, Direct Funds (Ardian Mid Cap Buyout, Ardian Infrastructure, Ardian Expansion, Ardian Growth, Ardian Co-Investment), Ardian Real Estate and customized mandate solutions with Ardian Mandates.

Leoni is a global supplier of wires, optical fibers, cables and cable systems as well as related services for the automotive sector and further industries. Leoni develops and produces technically sophisticated products from single-core automotive cables through to complete wiring systems. Leoni’s product range also comprises wires and strands, standardised cables, special cables and cable system assemblies for various industrial markets. The group of companies, which is listed on the German MDAX, employs more than 76,000 people in 32 countries and generated consolidated sales of €4.5 billion in 2015.