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Montagu Private Equity LLP (Montagu) is a private equity firm founded in 1968. The firm is headquartered in London, United Kingdom with an additional offices in Frankfurt, Luxembourg, New York, Paris and Warsaw.

Castik Capital Partners GmbH (Castik Capital) is an independent German private equity firm. The fime is headquartered in Bayern.

AddSecure AB offers communication solutions for security purposes. It provides burglar, fire alarms, emergency alarms, smart recue products, local alarm reception, grid communications, grid fault detection, driver handling, AddSecure link and AddSecure link go. The firm serves building security, building automation, utilities, and fleet management. The company was founded in 1975 and is headquartered in Haegersten, Sweden.

AddSecure Group AB is a European company that provides secure IoT connectivity and end-to-end solutions. The private company is based in Sweden, specifically in Hägersten, and has subsidiaries in the United Kingdom and Netherlands. The Swedish company's growth strategy includes mergers and acquisitions with leading companies. AddSecure's whistleblowing service is in line with their code of conduct and ensures that any unethical, criminal, or harmful concerns within their own organization are recognized, processed, and remedied. The CEO of the company is Tore Stefan Albertsson.