CIMIC Group Limited (ASX:CIM) said it is closer to finalizing the sale of its Thiess Pty Ltd. subsidiary. The company, is progressing negotiations with a buyer for its mining services division. CIMIC is in talks to sell down its stake in Thiess with UK-based Elliott Management Corporation (Elliot Advisors), which CIMIC says is the world's largest mining services provider. The proposed sale would give joint control of Thiess to both companies. Negotiations are expected to finish in the coming days, CIMIC Chairman Marcelino Fernandez says.