Van Deventer & Campher is a South African law firm based in Middelburg, Mpumalanga. Jaap van Deventer, a lawyer in Middelburg, founded the law firm in 1983. In 1984, van Deventer was joined by Hercules Campher, a candidate attorney at that time, who has since built the firm to become one of the most experienced law firms in Middelburg and surrounding areas.