Mikel Coffee UK

The UK home of a Greek coffee company with locations stretching from Greece to Australia, this Mayfair/Soho spot pours its coffee alongside snacks, baked goods and ice cream. Doors open at 7am on weekdays and it keeps serving until 9pm daily, with dog-friendly outdoor seating and full wheelchair accessibility throughout. A dependable 4.4 rating from more than 1,100 reviews suggests it's doing plenty right.