In all the municipalities of the island of Tenerife there are staxi services from different companies. In the web taxitenerife.com You can find the stops on each of them and their respective phones.
All vehicles are white and have a taximeter that should start working when the passenger gets on. They also have a green light on the ceiling and an official plaque that says SP and identifies them as a Public Service.
You can request, at no extra cost, vehicles up to 8 passengers. If you need a Eurotaxi (adapted for people with mobility problems) you must reserve it with sufficient advance.
The tariffs They are available at the stops. By way of orientation: the lowering of the flag, € 2.15; per kilometer traveled, € 0.54; The minimum run is € 2.15. There are surcharges for entrance to transport terminal and night services or on holidays.
You can hire a itinerary Half day for the main attractions of the island at € 80 with most taxi drivers.