Business is booming for Marsh & Parsons. Hardly surprising when you consider they’re the doyen of London estate agents, priding themselves in the integrity of their service to clients. You wouldn’t find a more civilised and intelligent client than the M&P folks, so it’s been a pleasure to work with them on their brand campaign. If you’re in Chelsea, Knightsbridge, Notting Hill et al, have a look out for the posters, ads, bus-sides…