Bonded means that a bonding company has secured money that is available to the consumer in the event they file a claim against the company. Insured refers to what happens if someone gets hurt on the job. If the company isn't insured, then the claim gets filed against the homeowner's insurance. If the company is insured, then the claim gets filed against the company's insurance. Workers' compensation laws are designed to ensure payment by employers for some part of the cost of injuries, or in some cases of occupational diseases, received by employees in the course of their work.