We booked a 5.5 hour guided tour (english-speaking tour guide) in Kyoto about 3 days in advance. The tour group was very timely in responses (<24 hour turnaround). The whole process was very smooth. Prices are very fair (5.5 hours in a car for 4 people was ~61,000 yen or ~$400 USD total).
The best part was our driver & guide, Chida Naoto. Chida was very kind and attentive, providing an overview of our trip and then accepting any feedback on the destinations based on our interests. He accompanied us along all the site visits (temples, gardens, etc) and paid for the entrance fees so we could spare our cash, and then charged it back (no up-charge) when we paid at the end of the tour. The tour ended at exactly 5.5 hours, and he was very respectful of the time. You can definitely trust MK to take you back to your destination on time if you need to catch a train or appointment. Chida was a huge value-add to our tour. He was eager to answer questions about the sites we visited, and also answered any questions we had about Japanese culture and society. Thank you so much, Chida! Could not recommend MK & Chida more. We are glad a friend of a friend recommended this tour group to us.