Miller's Ukraine reporting for the FT won a citation award from the Overseas Press Club of America in 2024. With FT colleagues, he was a Society of Advancing Business Editing and Writing (SABEW) Best in Business award winner in the Technology division. As an editor and reporter at Ukraine's Kyiv Post newspaper in 2014, Miller helped lead the team that won the Missouri Honor Medal Winner for Distinguished Service in Journalism for coverage of the Euromaidan revolution, Russia's annexation of Crimea and its first invasion of eastern Ukraine. His work has been highly commended by the British Journalism Awards for innovation of the year and shortlisted for best foreign affairs journalism.