In 2004, the English artist Julian Opie was asked to create an artwork to adorn the cafe of Ernst & Young's London-based European headquarters. His vision for the accountants' lunchbreak was a bold, black-and-white painting, giant and curved, depicting three heads. Three years on, "Bruce, Dancer; Bijou, Model; Nantra, Hotel Manager" presides intensely over meetings and caffeine fixes, and no one seems to notice.

In the atrium nearby hangs a pendulous, dripping form: "Construcano Organica com Propriedades Morfologicas de Relacionamento" by Brazilian artist Ernesto Neto. "It's like mutant male genitalia," says one 20-something female employee. "I try not to look at it." And Opie's piece? "It's all right." There is more enthusiasm for "A Moving Speech Delivered From the Branches of the Hawthorn Carousel" by Turner prize-winner Keith Tyson. "The tree picture is beautiful," says another E&Y staff member. "If I was a client sitting waiting for meetings I would enjoy looking at that. This place is full of art - it's one of the reasons why I joined."