Graham co-founded Telereal, now Telereal Trillium (TT), in 2000 and was Chief Executive from then until becoming Executive Chairman in April 2018. With £6bn of assets TT is one of the UK's largest private companies, owning 60 million square feet in 6,000 commercial properties. TT's largest tenants are BT Plc, the UK Government's Department for Work and Pensions and Royal Mail. Having run the UK’s largest property PFI, Graham has experience of Government property, while the 10,000+ homes that TT is currently developing in the UK, gives him some understanding of the housing market.
Graham is an active entrepreneur having co-founded companies in fields including: real estate, commercial water, online fashion, engine development, and data analytics. He is also on the boards of several charities.