A tax-deferred, government-registered retirement savings plan that is specially designed for small business owners (SBOs). Eligible participants for an SBO-401(k) are businesses that employ the business's owners and their spouses. The business must not have any other eligible employees.

Watch: Introduction in 401(k)

An SBO-401(k) provides self-employed small business owners the opportunity to participate in a tax-deferred retirement savings plan. These types of savings plans may be either self-directed or professionally managed.