Portobello Capital, a private equity firm, completed the acquisition of a 35% stake in AGQ Technological, a provider of testing laboratory services. Financial terms were not disclosed. “The investment in AGQ aims to support and promote the business and commercial development of one of the most recognized laboratory networks in our country, which is one of the key promoters and references of Spanish R&D and innovation in the world,” Carlos Dolz, Portobello Capital Partner.