We looked for transportation companies online at the Cancun Airport and started reading all the time share things about transportation staff at the airport, so I made sure I booked online with any company. I found this one and really had a good service from the website reservation with the guy on the chat window to the pick up at the airport and the hotel, everything was nice and on time.
Cancun Airport Transportation provided us with private transfers to Tulum from Cancun Airport, the ride was smooth and quick, they gave us a couple of beers and had a great time.