Interior Services Group has the inside scoop when it comes to building and refurbishing commercial buildings and providing tenant finishing services in the UK and beyond. Interior Services Group (ISG), which is made up of several operating units, has long been active in London, but has moved outward across England through acquisitions. It is also active in Continental Europe, the Middle East, and throughout Asia. ISG's primary experience includes corporate office buildings, retail locations, government and educational facilities, and leisure facilities like gyms, sports arenas, hotels, and restaurants. Its customers have included BP, Diageo, Leeds College of Music, Selfridges, and the London Stock Exchange.