"We get two reactions – either 'oh my God why hasn't this been done before' or 'what the hell is the point of this'."
But judging by the success Seedlip is having around the world it's the former reaction that Branson hears most often.
The drinks are now sold in 15 countries around the world and served in 150 Michelin-starred restaurants.
The first shipment to New Zealand sold out in less than a week and the second was pre-sold.
"We wanted to make complex drinks that are not trying to mimic something else but had the same ritual, same theatre, so that people don't feel left out if they're not drinking."