Premier Technical Services, a provider of specialist services, completed the acquisition of Nationwide Specialist Services, a building maintenance services provider. Financial terms were not disclosed. “We are delighted to have acquired NSS and warmly welcome the team to the PTSG family. This fantastic acquisition increases the capacity of PTSG’s experienced Building Access Specialists team, complementing the work of our highly trained specialists who excel in all access methods – cleaning, repairing and maintaining every kind of building and structure," Paul Teasdale, PTSG CEO.