One of the most accomplished garden design companies, with a string of high profile clients, Nicholsons in North Aston, North Oxon should definitely be on your must-visit list if you’re interested in seriously pimping your garden. It’s a massive success story – having started as a family run garden centre back in 1979 it’s now a bonafide garden empire, a specialist in trees, shrubs and topiary across 23 chichi acres in a pretty Cotswold stone village with a celeb client list as long as your arm. Despite their A-list creds, the staff are super-friendly and well-qualified and the spaces they create are beautiful. The team of in-house creatives and landscapers regularly collaborate with the biggest names in the world of garden design including the world-acclaimed Fernando Caruncho so you really are working with the best in the biz. No plant nursery is complete nowadays without a café and Nicholsons has its excellent yurt for breakfast and lunch stop offs.