About Us Advantage Systems Group Info Home Many years ago, Advantage Systems group firmly established itself as a leader in the automotive repair shop software market. Since then, we ve been acknowledged as developing the highest quality, most professional, and most reliable repair shop software available in the market today. Advantage Systems Group only develops and markets SHOPpro products we're solely dedicated to your industry. Advantage Systems Group offers the most intuitive and user-friendly software solution to auto repair shops along with the most experienced and knowledgeable technical support staff. Unlike most other software support companies you may work with, our technical support staff is intensely trained in all features and aspects of SHOPpro for Windows. This means we re able to answer all your questions and help you on-the-spot.