Ozone Coffee - London Fields

Part of a B Corp certified specialty roastery with locations across London and beyond, this London Fields café pours the company's own roasted beans, with outdoor seating and a warm welcome for dogs. The sourcing side is taken seriously — direct producer relationships and published impact reports — and weekday doors open early at 7:30am. A 4.5-star rating from nearly a thousand reviewers does most of the talking.