London Top Companies List by Market Cap as of August 2026

Barclays is Banking and Financial services providing company with headquarters is in London, UK.

Barclays UK had 859 branches as on 2020 and it had 666 branches as on 2021 and it had 481 branches as on 2022. From past years year over year, it is trimming down branches count.

Lloyds Banking Group is Retail Banking Company with headquarters is in London, UK.

Lloyds Banking Group has over 17 million digitally active customers and more than 12 million mobile app customers.

26 million customers in the UK

Company products:

Lending: mortgages, credit cards, personal and business loans.

Deposit taking: current accounts, savings accounts.

Bae Systems is Technology company with expertise in Defense, Aerospace, National Security with headquarters is in UK.

Electric Utility and Gas Utility company with headquarters is in London, UK.

NATIONAL GRID TRANSCO BUSINESS AREAS:

ELECTRICITY DISTRIBUTION(ED)

ELECTRICITY TRANMISSION.

ELECTRICITY SYSTEM OPERATOR.

NATIONAL GRID VENTURES.

NATIONAL GRID PARTNERS.

UNITED STATES.

Revolut is financial technology company which provides transfer money to abroad in 30 currencies, buy gold and crypt in seconds using platform provided by REVOLUT, debit card from REVOLUT can be used in 100+ countries, spending  local money to pay in 150 currencies with real time exchange rate.

For year ending Dec-2022, Revolut generated annual revenue of 850 million GBP, EBIDTA of 100.3 million GBP and annual net profit of 26.3 million GBP. Revenue increased by 30% in 2022 when compared with 2021.

IHS Markit combines information, analytics and expertise to provide solutions for business, finance and government and improving their operational efficiency and providing deep insights that lead to well-informed, confident decisions. Headquarters is in UK.

In 2022, S&P Global and IHS Markit merger was complete. IHS Markit Acquisition price was 44 billion USD.

As on 2019, IHS Markit has 15,500 employees in over 24 countries.

Standard Chartered is Banking and Financial services company with headquarters is in London, UK.

Standard Chartered have 85,000 employees and a presence in 59 markets, Standard Chartered network serves customers in close to 150 markets worldwide and Across more than 50 countries we’ve built a bank with the diverse experience and capabilities that set us apart.

Relx is a global provider of information-based analytics and decision tools for professional and business customers. The Group serves customers in more than 180 countries and has offices in about 40 countries. As on 2022, they have 35,700 employees. Headquarters is in London, UK.

FOUR MARKET SEGMENTS:

Stock Exchange and Trading company with headquarters is in London UK, and has a major presence throughout Europe, the Americas, Asia Pacific and emerging markets. This company enables trading of shares in stock exchange. LSEG is a global financial markets infrastructure and data provider.

LONDON STOCK EXCHANGE GROUP BRANDS ARE:

• Ftsc russell.
• Refinitiv.
• London stock exchange.
• LCH(London clearing hose).

BUSINESS DIVISIONS:

Anglo American is Mining Company with headquarters is in London, UK. Involved in production of Platinum, Diamonds, Nickel, Iron Ore, Copper etc. Global Top Number 1 leader in production of Platinum. Company has 95,000 employees as on 2023.

Mining and processing operations and undeveloped resources, with more than 106,000 people working for us around the world, in 15 countries.

Product groups are: