Handshaking etiquette changes depending on the country you are in the world. It is important to recognise and respect these cultural differences, especially when conducting business around the world.
In Brazil and the United States, a firm handshake is expected. However, this would be off putting in the UK, as the British like to greet each other with a lighter handshake.
United Arab Emirates
Kathleen Elkins contributed to an older version of this post.