The three largest companies in the world are situated in China.
This is according to Forbes' 2016 Global 2000 list, which details the 2000 largest companies in each country.
Berkshire Hathaway is the largest company in the US, ranking fourth, while the largest company in the UK is HSBC, which comes in 14th in the list.
Here's a map featuring the largest company of each country features in the list:
Here's the full rankings:
The second largest company in the UK was Prudential (ranked 66), followed by GlaxoSmithKline (100), National Grid (160) and Lloyds Banking Group (170).