Are there any reliable and safe child sitting service providers in Mexico City? Any recommendations?
You should go with recommendations by people you trust. Where do you live? Maybe older students from the school your kids go to. I babysat a lot when I was in Greengates for younger children, and at least the family knew I was in the same school.
you could try going fishing on this online babysitter connecting platform:https://www.urbansitter.com/