Neumann van Rooyen inc. has a rich history that extends over several decades. The firm's origins date back to 1951 with the establishment of the firm Sylvia Oversby, which later became known as Daly & Neumann.
On 1st July 1996, Daly & Neumann merged with Oosthuizen, Mostert & Van Rooyen who were founded as far back as the early 1960s. The new practice became known as Neumann van Rooyen.
On 1st August 2003, Neumann Van Rooyen merged with Sesele attorneys with the intention of upholding affirmative strategies and diversity.