Millbank Pier will be the port of call in the evening for the opening dinner at Altitude 360, sponsored by Visit London. The event will include a canapé reception and 'reveal' of the venue's Westminster view.
Actor Richard E Grant is expected to be among the London celebrities at the dinner.
Guests will stay at Park Plaza, Westminster, where they will take part in a 'speed dating' Discovery networking event the following day (28 February).
The Orient Express Pullman train will later take the group to Windsor for a visit to Windsor Castle.
Wentworth Club is next on the itinerary, with an Olympic-themed dinner event featuring an audio visual projection display.
Guests will finally be taken to Earls Court for International Confex, which takes place 1-3 March 2011, before splitting into smaller group for other activities across England and Wales.
The fam trip sponsors are Tourism South East, Visit London and Visit England.