Domestic ones will cost much more than those led by locals, though that doesn’t necessarily make them better.
There are lots of guided options, both from local groups and domestic businesses here in the states. Domestic ones will cost much more than those led by locals, though that doesn’t necessarily make them better. Plus, you get to learn more about the culture if you decide to go with a locally guided tour. One word of warning, though. If the price from anyone offering a guide service seems too good to be true, it probably is.