Lisa Garrett served her articles at international firm BDO Spencer Steward in Durban from 1990 to 1994. After gaining experience in commerce she returned to spend a further seven years there from 1997 to 2004.She graduated from the University of South Africa with a Bachelor of Accounting Science degree. She qualified as a Professional Accountant (SA) in 1997. She decided to open her own practice in 2005.