Onex, an investment company, agreed to acquire Independent Clinical Services Group, a healthcare staffing provider, from TowerBrook Capital Partners, a private equity firm. Financial terms were not disclosed. “ICS is committed to being a true partner to its clients in delivering both capacity and care at the highest standard, and that is a commitment we want to continue and build on. We are pleased to be partnering with the ICS management team and look forward to supporting their growth for years to come,” Nigel Wright, Onex Managing Director.