HBH (Hermann Brandt Hartvig) was a Danish automotive design and engineering consultancy, active in the early 2010s. Founded by Torben Hartvig, Christian Brandt, and Jesper Hermann, all of whom had previously worked on the Zenvo ST1 supercar, the firm specialised in concept design, engineering, business development, and investment strategies for automotive projects. In 2011 HBH announced the Bulldog GT, a one-off supercar based on the Aston…