O-Flexx Technologies has been funded by venture capital firms and the management since start-up.

Currently, Emerald Technology Ventures (headquartered in Zurich), the private investor SAM GmbH (headquartered in Salzburg)and NRW.BANK (headquartered in Düsseldorf) are invested in O-Flexx Technologies.

Emerald Technology Ventures

Emerald Technology Ventures is a global leader in cleantech venture capital and operates from offices in Zurich, Switzerland and Toronto, Canada. Founded in 2000, Emerald is a pioneer in this rapidly emerging sector and focuses on innovative technologies in energy, advanced materials and water. Since its foundation, Emerald has managed three venture capital funds and two venture capital portfolio mandates totalling over EUR 300 million (USD 440 million). Emerald is currently investing out of its most recently established fund and is looking for energetic and passionate entrepreneurs with the vision to build world-class clean technology companies.

Emerald invested in O-Flexx for the first time in 2007.


SAM GmbH bundles the activities of two private investors from Germany and Austria. They provided their first investment during the 2009 round of funding.




NRW.BANK Corporate Finance, the investment arm of the state development bank of Northrhine-Westphalia, is an investment unit specialized in direct- and fund investments into small and medium enterprises. The unit prefers to invest in seed, start-up, early, mid and later stage ventures, buy-outs and spin-offs. It seeks to provide private equity and venture capital financing to enterprises that focus on established industry sectors and companies active in IT, software and media technologies as well as in life sciences and cleantech. NRW.BANK Corporate Finance is based in Düsseldorf, Germany.

NRW.BANK invested in O-Flexx in January 2013 for the first time.