ROI marketing services refer to the practice of measuring the return on investment (ROI) of marketing campaigns and strategies. The goal of ROI marketing is to determine how much revenue is generated by marketing programs and campaigns, and to use this information to make informed decisions about where to spend time and budget. There are several types of marketing ROI, including bidding for keywords, commissioning content, sponsoring events, and putting logos on vehicles. Calculating marketing ROI can be challenging, as it can be difficult to attribute ROI to any one program or campaign. However, tracking ROI is important for understanding whats working, where to invest budget, and how to stack up against competitors. A good marketing ROI is typically considered to be 5:1, or $5 for every $1 spent. To calculate marketing ROI, the formula is (Return – Investment)/ Investment.