There’s no real shortcut here. Do your research. Talk to friends and family. Look at reviews online. Protectmyhome.net allows you to verify your contractor through WA L&I look for companies that make sure they are licensed, bonded and insured and look for any safety violations as well. We recommend finding a company that has been doing business under the same name for at least 10 years. Many companies will start under a new name once they’ve had safety violations or gotten into financial trouble under their previous business name.