Buying from us. The Guinness Partnership owns and manages nearly 60,000 homes across England, providing services for 120,000 customers and care services for 10,000 people.Everything we do is about achieving our vision of improving peopleâs lives by providing as many high-quality homes as possible.he Guinness Partnership owns and manages nearly 60,000 homes across England, providing services for 120,000 customers and care services for 10,000 people.