401(k) plans can be a powerful tool to promote financial security in retirement. This publication discusses retirement plans you can set up and maintain for yourself and your employees.In this publication, "you" refers to the employer. Some states are set to require all but their smallest businesses that don't already offer a qualified plan to enroll their workers in new statesponsored IRA. The process of how to set up a 401k plan for your small business is similar to making other important decisions. You'll need to do your research. Information on retirement plans for small businesses and the selfemployed. Choose a Plan, Maintain a Plan, Find or Fix Plan Errors, Plan Benefits. Small business owners can utilize IRAs, 401(k)s, and profitsharing plans for their businesses. SIMPLE IRAs are a type of retirement account that are meant for specific individuals—namely, those who work for small businesses with 100 or fewer employees.