These are the world's 10 biggest companies

Today we live in an era where fewer than 10% of the world’s public companies account for more than 80% of all profits.

These are the world’s largest corporations, compiled by market capitalization (the total market value of a company’s outstanding shares).

Ten years ago, banks and energy companies dominated the top ten. Today, its technology companies, with US computer company Apple in the number one spot.

10. China Mobile

HQ: China
Age of company: 20 years
Employees: 438,645

China Mobile says it has the world’s largest mobile network and the biggest mobile customer base. It is the leading telecommunications services provider in mainland China and in the Hong Kong Special Administrative Region.

9. General Electric

HQ: United States
Age of company: 139 years
No of employees: 333,000

GE traces its beginnings to Thomas Edison, who established the Edison Electric Light Company in 1878. GE is the only company listed in the Dow Jones Industrial Index that was also included in the original index in 1896. Showing that diversity is the way to keep a company going, GE is now calls itself the world’s Digital Industrial Company.

8. Johnson and Johnson

HQ: US
Age of company: 131 years
No of employees: 128,000

One of the larger companies on the list, Johnson and Johnson is a multinational manufacturer of pharmaceutical goods.

7. Facebook

HQ: US
Age of company: 13 years
No of employees: 15,724

Facebook was founded in 2004 after a college experiment. In September 2016 it had 1.79 billion daily active users, approximately 85% of whom were outside the US and Canada.

6. Amazon

HQ: US
Age of company: 22 years
No of employees: 222,400

Amazon has enjoyed a meteoric rise since it was founded in, you guessed it, a garage in 1995. It started as an online bookshop, but now delivers everything from tea bags to shoes. Last year, when Amazon’s site went down for 49 minutes, the company missed out on estimated sales of $5.7 million.

5. Exxon Mobil

HQ: US
Age of company: 135 years
No of employees: 73,500

The world’s largest oil and gas company has dropped from number one last year to number five. The company was formed in 1999 when two giants, Exxon and Mobil, merged their businesses.

4. Berkshire Hathaway

HQ: US
Age of company: 128 years
No of employees: 360,000.

The largest company on the list not involved in technology has its origins as far back as 1888 as a textile company. It is now a holding company with interests a wide variety of sectors including utilities, railroads and insurance companies. It is part owned by well-known investor Warren Buffet.

3.Microsoft

HQ: US
Age of company: 42 years
No of employees: 114,000

Apple’s most famous rival Microsoft also started in a garage, where Bill Gates and Paul Allen put together their first computer. Microsoft was officially founded in 1975, a year earlier than Apple.

2.Alphabet

HQ: US
Age of company: 2 years
No of employees: 69,953

Alphabet has a much more famous subsidiary, Google. Alphabet, founded in 2015 by the same people who started Google, is a collection of companies with interests in many sectors including medical research and wearable technology

1. Apple

HQ: US
Age of company: 41 years
Number of employees: 66,000

The first Apple computer was built in Steve Jobs’ parents’ garage. Apple has an estimated net worth of $605 billion, and is often called the world’s most valuable company. In 2016, however, it had to contend with falling sales of the iPhone.