A simplified employee pension (SEP) is a useful tool that allows small businesses to provide a pension plan for employees. A SEP essentially works like an individual retirement account, only it’s easier to administer and requires no minimum contribution.

Several Web sites provide a wealth of information on how a SEP works. Here are a few:

• 401kHelpCenter.com

It covers how a SEP plan works, its advantages and frequently-asked questions for small businesses.

• InvestorGuide.com

The Web site offers a brief overview about SEP contributions, eligibility and taxes.

• Quicken.com

The Web site features a concise explanation of a tax-deferred SEP retirement plan.

• U.S. Chamber of Commerce

It covers who should and should not set up a SEP.