Private equity firm ECI Partners completed the investment in ICONIQ- backed CSL Group, which provides M2M and IoT connectivity solutions in the Fire, Security and Telehealth sectors. Financial terms were not disclosed. "We have followed this business for several years and we are excited by the opportunity that CSL has in the IoT and M2M market to further strengthen its market-leading position both organically and through M&A. As an experienced IoT investor, we’re delighted to partner with Ed and the team to help CSL achieve its growth ambitions and look forward to supporting them over the next stage of its journey," Paul McCreadie, ECI Partner.