Sungai Petani has a high and medium-sized business community.
Sungai Petani has many malls and shopping centers such as Amanjaya Mall, Central Square, Village Mall, Lagenda Height Tesco, Sungai Petani North Tesco, Sungai Petani South Tesco, Giant Hypermarket, Econsave, Billion, Sp Plaza and Parkson.