Black Opium Coffee Specialist - Shoreditch London's Top Rated Coffee Shop. Black Opium Coffee Specialist was founded to provide working professionals with the highest quality coffee. No hassle, no fuss, no long queues, just excellent coffee & great service. Situated in the Heart of Shoreditch our focus is on providing exceptional coffee & homemade cakes to get you through your busy working day. Our team of Coffee Specialists have years of experience, an exceptional attention to detail & actually care about coffee. Their sole job is to provide you with the perfect Black Opium Coffee Fix.