What is it: This policy protects your business in case of third party claims, such as bodily injury or property damage. For example, the common "slip-and-fall" claim would be covered by your General Liability policy.

Why get it: General Liability insurance is often considered to be the core coverage, particularly for businesses that regularly physically interact with customers or sell physical goods. In addition, many businesses have a contract, like a loan or a lease, requiring that they have this coverage.

What is it: This policy, common in the professional services industry, helps to protect your business if a client believes they've suffered a loss due to an error or omission on your part.

Why get it: Your business may have contracts with clients or partners that require E&O coverage, provide a "warranty or guarantee," or have clauses that require you to "indemnify or hold harmless" your clients. If so, E&O coverage is often recommended. This coverage is also commonly recommended for any businesses providing advice related to legal or financial matters.

What is it: Workers Compensation covers an employee's lost wages and the cost of resulting medical treatment if they suffer a work-related injury or disease. It also covers services needed to help the employee recover and return to work.

Why get it: Workers Compensation coverage is mandatory in most states. The number of employees after which it's required differs by state, but you will generally need coverage once you have employees.