Ground Transportation Options - AO Trips

Taxis can be found at Schiphol's official taxi stand in front of Schiphol Plaza, for a quick and easy journey. Always follow the signs for taxis so you know you are getting into an approved taxi.
Approximate cost is € 60,00 - € 70,00.

Uber is available in Amsterdam, and it is usually less expensive than an official taxi. Pick up location of the Uber is outside exit door B (which is situated next to the Hertz counter in the arrivals hall) across the first roadway. You'll see a lot of people looking at their phones. There are blue license plate numbers on arriving cars. By the Hilton Hotel side of the road.
https://www.uber.com/nl/blog/uber-pickup-ophaalpunt-amsterdam-schiphol-airport/  

Follow the instructions below to find the designated pick-up point

• Follow the signs to the trains and car rental companies after exiting the baggage hall and customs
• Take the exit at the car rental counters

For UberX (blue dot on the map above):

• Cross the four roads you see before you

• Turn right and follow the pavement

• Your driver is waiting for you next to the bus stop

For Black or Van (red dot on the map above):

• Turn right and continue until Exit B (1 min walk)

• Your driver is waiting on the side of the road.