Milan, August 3, 2026. Clessidra Private Equity SGR, the private equity arm of the Clessidra Group—one of Italy’s leading alternative investment providers—announces the acquisition of a 70% stake in Errebi Technology S.p.A. through the Clessidra Capital Partners Green Harvest fund. Entrepreneur Massimiliano Paglione retains a 30% stake and is reinvesting alongside Clessidra. Androschin & Partner conducted the commercial due diligence for Clessidra Group Private Equity SGR.
TRANSACTION
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February 2017
Virthos Acquires Optimol Instruments Testing Technology
February 2017. Virthos Partners acquired Optimol Instruments Prüftechnik GmbH (Munich), the global market leader in tribological testing systems, and merged it with its existing portfolio company, Feinwerktechnik Otto Harrandt GmbH, under one roof. Androschin & Partner (A&P) advised on the transaction and conducted commercial due diligence on behalf of Virthos Partners.
INVESTOR
Virthos Partners
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TARGET
Optimol Instruments Prüftechnik GmbH
ABOUT THE COMPANY
Optimol Instruments Prüftechnik GmbH
Optimol Instruments (founded in 1964) is the global market leader in tribological measuring instruments (SRV testers) for measuring wear in metals; its customers include leading automakers as well as lubricant and additive manufacturers.
ABOUT THE INVESTOR
Virthos Partners
Virthos Partners is an independent, owner-managed investment partnership focused on medium-sized industrial companies in German-speaking countries.
OUR ROLE
Commercial Due Diligence