G7 tax reform: what has been agreed and which companies will it affect?

Reforms force multinationals to pay tax in all countries they operate in, but Amazon could evade new rules

The G7 group of wealthy nations signed a historic tax agreement to tackle tax abuses by multinationals and online technology companies on Saturday, agreeing to a minimum global corporate tax rate for the first time.

Although broadly welcomed by tax campaigners and labelled a moment that would change the world" by G7 finance ministers, months and possibly years of talks still need to take place before the rules come into force.