Is there any exemption for the small business employer so I will not have to pay the Minimum Wage? July 28, 2021 20:54 The only exemption that applies is for a retail or service business whose annual gross sales made or business done is less than $500,000. Related articles Can an employer pay an individual under 20 years of age less than the applicable minimum wage rate? What amount must an employer pay a tipped employee? Where can I get additional information regarding the law changes? Do employers have to post a Minimum Wage poster in the workplace? I make $9.00 per hour now. When the Missouri Minimum Wage increases and my employer raises other people's wages to the minimum wage should I have gotten a raise also?