What is a healthy marketing expenses to sales ratio?

A healthy marketing expenses to sales ratio typically ranges from 5% to 10% for established businesses, though this can vary by industry and company size. Startups may invest more heavily, often exceeding 10%, as they work to build brand awareness and capture market share. Ultimately, the ideal ratio depends on the company's growth stage, market dynamics, and overall business strategy. Regularly analyzing this ratio can help ensure marketing investments are generating a positive return on sales.