Google, Twitter and Astra Zeneca are among the clients of this Yorkshire furniture maker, founded in 2005 by Mark Hammond, 38, Kieron Bakewell, 40, and Matt Welsh, 42. Its designs — including meeting tables, seats and barstools — can be found in offices, hotels, restaurants and airports around the world. US furniture giant Herman Miller bought a 50% non-controlling stake in 2016, paving the way for US expansion. A Chicago showroom helped overseas sales hit £16.1m last year.