If my wife is the owner of business and I work under her would she need contractor license or could I get them and she still be able to get jobs requiring license?
You can get the license and be the "qualifier" for your wife's business. The business would still need to register as a general contractor even if you are the qualifier, but she would not need an individual license. Take a look at https://nclbgc.org/faq-contractors/
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