SEP-IRA, 401(k), profit sharing - which should you choose? The first thing you need to know, is that you can't set up a tax-deductible retirement plan that is "top-heavy" or benefits the owner and top managers of the business only. You must make the plan available to all full-time employees. Then, your choice depends on whether you want people to manage their own funds or have a central fund manager, and how much paperwork you are willing to endure. Here is information explaining your choices:
Choosing a retirement plan for your small business - video
Comparing retirement choices
Once you have a plan - legal requirements
Who will take over your business?