Not all locksmiths carry a license with them, but you can certainly ask to see one. In addition, reputable locksmiths will have insurance and be bonded. You can also check with the Better Business Bureau to see if there have been any complaints filed against the company. When it comes to trusting someone with your home security, it's important to do your homework and ask around for recommendations. Friends and family are usually a good place to start, and online review sites can be helpful as well. It's also important to get an estimate in writing before agreeing to any work, so you know exactly what you're getting into.
Not all locksmiths carry a license with them, but you can usually verify that a locksmith is licensed by checking with your state's department of consumer affairs or licensing board. It's important to do your research and choose a reputable locksmith who has a good reputation in the community. You can usually find reviews online or ask around for recommendations. It's also a good idea to get quotes from several locksmiths before making a decision.