Loads of people dream of working for a US tech giant - but how much do they actually pay their London workforce? Jobs site Glassdoor, which compares salaries at companies all over the world, sheds light on what goes on at the swish London headquarters of some of the world's most desirable employers...
The search giant may have come under fire for the amount of tax it pays in the UK - but its workers are still pretty well rewarded.
Software engineer: £61,668
Product manager: £88,797
Account manager: £63,102
Facebook unveiled record profits for last quarter - so it can afford to pay its employees a bob or two.
Software engineer: £70,560
Account manager: £44,468
Technical recruiter: £56,014
Only one London salary posted for Twitter...
Senior software engineer: £74,917
The company has such a big presence in London, it has a tower named after it.
Senior account executive: £74,016
Senior sales engineer: £79,675
Senior manager: £74,716
Auctions are big business, it turns out: Ebay's London offices are based on Tottenham Court Road.
Senior product manager: £94,079
Software engineer: £53,541
Marketing manager: £68,319
The company isn't a household name like Google or Facebook - but it is one of the world's largest technology firms.
Software engineer: £49,509
Account manager: £48,182
Marketing manager: £61,490