Nicholas John Peter Wirth is an automotive engineer and the founder and owner of Wirth Research.

Simtek was an engineering consultancy firm and Formula One racing team. The Formula One (F1) engineering consultancy arm, Simtek Research, was founded in 1989 by Max Mosley and Nick Wirth. It originally was involved in many areas of Formula One, including wind tunnel construction and chassis building for third parties. Simtek Grand Prix, the racing team, was launched in 1993 and competed in the 1994 and 1995 seasons, achieving a best result of ninth place. With large debts and a lack of sponsorship money, Simtek went into voluntary liquidation in June 1995.