GMP Sociedad De Inversiones Inmobiliarias SA has finalised the purchase of two office buildings in Madrid from joint venture partner GE Real Estate, Spanish daily Expansion reported. The transaction was carried through the acquisition of General Electric Real Estate's 90% stake in joint venture Renta Gestion Fuencarral S.L. for €55 million. The acquisition is part of Gmp's plan to invest €250 million in expanding its asset portfolio, Gmp's Chief Executive Officer Xabier Barrondo said as per reports.