Best bus tours for London day trip

[Admin]

I had initially planned for the day trip by rail. But one of my friend suggested me to choose bus tour because it gives a better chance to look at places whenever you want to and whenever you want to. I just wanted to know about the best bus tours in London

[shrinkwatson]

there's several companies operating open top sightseeing tours of London,
but i know a company East Coast Tours.
it services are good and they offer many packages of travel.

coach hire prices slough