The best is a Word of Mouth referral from family or friends. But with the internet its become more and more Word of Mouse and that’s where the reviews of your customers become so important.
Word of mouth. Friends and family that visit while work is ongoing get a chance to see the contractor in action and can see for them self his integrity, work ethics and skills. They also get a first hand rating from the client.
Word of mouth. Ask friends if they know anyone they would recommend