May 29, 2024 6:22 pm

The top ten largest companies in the United Kingdom

The top ten largest companies in the United Kingdom
Image credit: Pexels

UK is the fifth giant economy of the world. The size and health of the economy of the United Kingdom gives ample scope to traders.

What are the major companies in UK by market capitalization?

  • HSBC Holdings

The biggest company in the United Kingdom is HSBC Holdings. Established in the year 1865, banking corporation and financial services serves at least 39 million customers from 66 different countries around the globe.

In terms of its market capitalization, the company has a strong standing. However, owing to poor performance in the year 2019, their profits have gone down.

  • BP

British Petroleum, abbreviated as BP, is an immensely successful gas and oil company. Founded in 1909, BP has business relations with five continents at present. The company produces as much as 3.7 million barrels of crude oil each day.

As the world demand for energy increases and changes, BP intends to modify its infrastructure for meeting those needs.

  • AstraZeneca

This pharmaceutical giant was formed in the year 1999 when Zeneca Group and Astra AB merged together. Since then, it has continued to be one of UK’s biggest pharma companies. The focus areas of AstraZeneca include respiratory health, cardiovascular health, oncology, and neuroscience.

  • GlaxoSmithKline

GSK or GlaxoSmithKline is a science-led international health company founded in 2000’s December.

The major areas of focus of GSK are vaccines, prescription medications, along with common heath products like multivitamins and toothpaste.

  • Diageo

Diageo is a company selling alcoholic beverages. Formed in 1997 in London, Diageo has 200 above brands and exports to 180 countries. Some of its popular brands are Walker, Smirnoff, Guinness, and Johnnie.

  • British American Tobacco

British America Tobacco, abbreviated as BAT, has been in existence since 1902. The company is the second-biggest manufacturer of tobacco of the world, supplying products to at least 180 countries. In recent years, BAT aims to create reduced-risk products with the help of new technology as well as sustainable practices.

  • Rio Tinto

Rio Tinto is a London-based mining company, having operations in the country of Spain. Since its establishment in 1873, Rio Tinto has undergone several alterations by means of acquisitions and mergers. It is listed on NYSE, ASX and LSE.

  • Unilever

Unilever is a famous household brand formed in 1929 after the merging of Margarine Unie and Lever Brothers. This multi-layered business has 400 plus brands that include home, personal care and food products.

  • Reckitt Benckiser Group

Reckitt Benckiser Group, formed in 1999, operates in 200 countries, offering hygiene and health products. It is one of the leading companies in UK.

  • Vodafone Group

Created in 1985, the Vodafone Group has emerged as one of the world’s major telecommunication companies. It provides services to 25 above countries across Europe, Oceania, Africa and Asia.


There are several other big companies in UK. Some of them are SSE, Tesco, Compass Group, Ernst & Young Ltd., Barclays, Centrica, Saintsbury’s, Imperial Brand, Aviva, British Airways, Kingfisher, Liberty Global, Associated British Foods, Phoenix Group and many more.

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