Kees Koolen

Koolen Participações Ltda. (Koolen Participações) is a venture capital firm founded in 2013 by Koolen Kees. The firm is headquartered in Brazil.

Koolen Industries BV engages in the renewable energy business. It develops smart energy that is readily available anytime and anywhere by using energy generated from the wind or sun. The company was founded by Kees Koolen in 2019 and is headquartered in Hengelo, Netherlands.

Lithium Werks BV engages in the development of lithium iron phosphate energy systems. It offers valence battery modules, battery management systems, and power cells with nanophosphate. The company was founded by Christian F. Ringvold and Truman Joseph Fisher III in 1989 and is headquartered in Hengelo, the Netherlands.

GetYourGuide Deutschland GmbH engages in the operation of booking website for tours, attractions, and activities. Its services include travel search and bookings, cruise, and tour payment. The company was founded by Johannes Reck, Pascal Mathis, Tobias Rein, Martin Sieber and Tao Tao in 2009 and is headquartered in Berlin, Germany.

EQT Partners BV operates as a financial holding company with interests in providing investments. The company was founded on July 3, 2012 and is headquartered in Schiphol, the Netherlands.

Booking.com BV provides online hotel reservation services. The firm has a network of around 3,000 distribution partners. It has offices in Barcelona, Berlin, Cambridge, Dubai, Dublin, London, Loul, Norwalk, Paris, Rome and Vienna. The company was founded by Kees Koolen in 1996 and is headquartered in Amsterdam, Netherlands.