Clients can be super tricky to buy gifts for. They tend not to be friends or family (if you’re smart), but they are the ones that bring in the capital for your business. You don’t want to go too outlandish and seem desperate, but you don’t want to insult them with a thoughtless gesture. So, regardless of whether you have the clients from heaven or clients that make going to the dentist seem enjoyable, it’s important to let them know you appreciate their business. These gifts should close the deal handily.
‘Ten Restaurants That Changed America’ by Paul Freedman

Best for the Fine Diner: If your client is the type who really knows their pâté from their foie gras, compliment their taste. Ten Restaurants That Changed America is a historian’s perspective on the tradition and economy of dining out in America, and a discussion of the many influences that have shaped our gastronomic culture.
Mophie PowerStation Plus Mini External Battery

Best for the Constantly Connected Client: Backup batteries can be bulky and cumbersome, but that doesn’t make them less of a relentlessly important piece of tech. The Mophie PowerStation Plus Mini provides all the extra juice your client will want, packaged in a sleek, compact casing.