Credence provides advanced test and diagnostic systems as well as engineering services to the semiconductor industry via devices that range from microprocessors, graphics processors, chipsets, and devices for high-speed data transfer and communication applications to those used in increasingly complex consumer electronics such as DVDs and set-top boxes.

Credence's customers include the world's leading semiconductor manufacturers, fabless companies, foundries, and assembly contractors worldwide.

Francisco Partners's investment into Credence was a result of Credence’s merger with NPTest in June 2004. Francisco Partners acquired NPTest from Schlumberger Limited in July 2003.