Question Looking for Private Tour Guide Recommendations in Cephalonia and Corfu

We will be visiting Cephalonia and Corfu as part of a cruise itinerary at the end of May 2025 and are considering hiring a private tour guide for a more personalized experience. Does anyone have recommendations for reliable and knowledgeable private guides in these areas? We're particularly interested in guides who can offer insights into the local history, culture, and hidden gems. Any tips on what to expect in terms of pricing and what to look for in a guide would also be greatly appreciated.