“It’s not so much that we have one success formula, and perhaps that’s the secret. After all, a formula is a fixed concept, while in fact we move with the developments in the market and the wishes of our principals. An important spearhead is that we always want to make …

“A few years ago out building was filled with binders and folders and we’d have schemes and plans lying around everywhere or hanging on the walls. We wrote a lot of stuff down or worked from Excel spreadsheets, printing them out when we’d finished. All of that was time-consuming and …