TraVeller13 wrote:

I go by plane to London and travel with my two children. Usually we take
cabs but it happened very often, that the cab drivers do not have child
safety seats - and we need two. I thougt of a car service that picks us
up at the airport an dirves us to the hotel.

As UK law does not require the use of child seats in taxis or private hire
vehicles, your only likely option if you nonetheless want them is to take
your own, unless a particular firm does offer that as a value added
service. Sorry!

Neil
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Neil Williams in Milton Keynes, UK. Put first name before the at to reply.