This is the Waldo 45 by James Burleigh a London based furniture company.
I saw this set at the 100% Design exhibition last year and love the simplicity as well as the fact that the colour is so 'catchy'. They are available in quite a wide range of colours and edge finishes. I think I'd love one in slightly rusty dark orange.
Not that I have anywhere to put it! It's okay to dream.