The private equity group Permira has made an offer to buy Ergomed Plc, a UK-based contract research organisation (CRO), for approximately £703 million. The offer represents a 32.4% premium to the three-month volume weighted average price per Ergomed share and will be executed through a newly incorporated company controlled by funds advised by Permira Advisors LLP. Ergomed has been listed on the AIM market of the London Stock Exchange since 2014 when it raised £11 million through an initial public offering.