QVC have been there since launch, subletting from Sky. ONdigital moved in there because of the involvement of Sky in the company (then called BDB) in the early days.Hymagumba wrote:onDigital had it inbetween them.
It looks like MarcoPolo House might not be around for much longer, it was sold by Sky a few years ago and QVC are moving out in 2012 and the building is likely to be redevolped: http://www.propertyweek.com/story.asp?storyCode=3081806 (that article is a bit old but I assume it's still applicable)