Founded in 2007 , Dropbox is a filehosting service which makes users ’ files available from any computer or phone , with the option of synching all of one ’ s devices to a Dropbox account . It enables users to work on projects together or share files with family and friends . The service is currently used by 500mn people worldwide , and 200,000 businesses use Dropbox Business . The company aims to “ build simple , powerful products for people and businesses ”. It is available on Mac , Windows , Linux , iOS and Android and comes in 20 languages . Over 200 countries and territories use Dropbox and the company has 13 offices across the globe in nine different countries . Dropbox is now worth $ 10bn under CEO Drew Houston .

Pinterest was founded in California in 2012 by CEO Ben Silberman , Paul Sciarra and Evan Sharp . The media tech company is now worth as much as $ 11bn and employs over 800 people . Pinterest is available as a web and mobile application which operated a software system designed to make it easier to discover information on the web , using mainly images as well as GIFs and video . It is available in over 30 languages and now has offices in six countries . In 2017 , the company raised $ 250bn and its value raised to $ 12.3bn in total , so the company is set to climb on next year ’ s list .

42 January 2018