Absolutely they have to. There are many reason for this. The first is it is required for the state to be licensed and let the state know you are a honest professional and have taken the required classes and have the necessary skills to get the job done. It also protects you and the client if something goes wrong it will be covered.
It depends on the type of insurance you are looking into as well as your profession some examples are:general liability business insurance and contractor liability insurance, among many others.
It all depends on the overall risk exposure. Without knowing what type of contractor you are and what you annual volume is, there is no way to guess what you might pay for your insurance.
Being insured is very importatnt in protecting your business. The type of insurance needed will depend on if you work independently or with a contractor.
Contractor's general liability insurance is, essentially, "malpractice" insurance for general contractors. That is, it provides indemnity for a party who has sustained compensable injuries for the negligent act or omission of a general contractor. Like other liability insurance, this type provides a defense to the insured when liability (fault) is contested. That is, part of the insuring agreement provides that the insurer will hire and pay an attorney to defend the insured, investigate the claim, and pay related costs. Generally, these attorney fees and costs are paid in addition to the indemnity benefit. However, some policies provide that they reduce available indemnity benefits,
depending if your a corp. and what type s-corp,LLC.etc.. No they can still file suits against you but it can help with lawyers and payments. No it does not.
collision
"Commercial General Liability" is the appropriate coverage policy type for an HVAC service technician or company.
A self-employed (or independent contractor) hair stylist should have personal liability insurance and a business license.
That is the type of insurance policy that a car dealer or repair shop would carry. Covers their business risks.
Most states require some form of contractors liability insurance for contractors to operate a business. It is also in the contractors best interest to have liability insurance to protect against any type of problems which may arise during construction. Liability insurance is also a marketing tool which many customers like to see when choosing a contractor.
Liability insurance is an especially important type of car insurance because it covers damages that are your (the driver) fault.
It depends on what type of contractor. Contact a local insurance agent who will be able to give you a quote.