You can book a taxi via following methods:
Online: http://www.countycars.net/
Telephone: +44 122 535 2173
Email: countycars@blueyonder.co.uk
Yes, it's possible to pre-book a taxi with 1st County Cars, please contact the company.
1st County Cars has both regular and air-conditioned taxis, please mention your preference at the time of booking.
Please contact the company on their helpline number to make any changes.
Generally drivers will meet the passengers at the arrivals on airport pick ups but do check with the company.