Set up a SIMPLE IRA plan at any time January 1 through October 1. Learn about this 401(k) plan and sign up today.Even though you're on your own, there are ways to save for your future retirement. Here are three popular investing options for small business owners. Offering a company-sponsored retirement plan allows you to support your talented employees when it comes to building their financial future. A wellthoughtout plan can help small business owners work toward better economic security that will help them focus on their businesses. This segment of financial guides is dedicated to strategic tax planning for business owners. SEP plans (also known as SEP-IRAs) are Simplified Employee Pension plans. 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.