Largest UK companies by market cap

The largest UK companies by market cap are those listed on the UK stock exchange with the highest total value of all shares, representing their perceived worth by investors. These companies, such as BP, Shell, Unilever, HSBC Holdings, and GlaxoSmithKline, are considered some of the most valuable and powerful in the country, with a significant impact on the global economy. AstraZeneca, Rio Tinto, and Reckitt Benckiser are also notable high-market cap companies in the UK, reflecting their strong foothold in their respective markets.

United Kingdom's main stock market index, the GB100, fell to 9636 points on October 27, 2025, losing 0.10% from the previous session. Over the past month, the index has climbed 3.62% and is up 16.30% compared to the same time last year, according to trading on a contract for difference (CFD) that tracks this benchmark index from United Kingdom. United Kingdom Stock Market Index (GB100) - values, historical data, forecasts and news - updated on October of 2025.

Graph and download economic data for Financial Market: Share Prices for United Kingdom (SPASTT01GBM661N) from Dec 1957 to Sep 2025 about stock market and United Kingdom.

Graph and download economic data for Share Prices in the United Kingdom (SPPUKQ) from Q2 1709 to Q4 2016 about academic data, United Kingdom, and price.

London Stock Exchange stock price, live market quote, shares value, historical data, intraday chart, earnings per share and news.

United Kingdom UK: Stocks Traded: Total Value data was reported at 2,357.017 USD bn in 2014. This records an increase from the previous number of 1,675.053 USD bn for 2013. United Kingdom UK: Stocks Traded: Total Value data is updated yearly, averaging 487.920 USD bn from Dec 1975 (Median) to 2014, with 40 observations. The data reached an all-time high of 3,947.700 USD bn in 2007 and a record low of 19.361 USD bn in 1977. United Kingdom UK: Stocks Traded: Total Value data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s United Kingdom – Table UK.World Bank.WDI: Financial Sector. The value of shares traded is the total number of shares traded, both domestic and foreign, multiplied by their respective matching prices. Figures are single counted (only one side of the transaction is considered). Companies admitted to listing and admitted to trading are included in the data. Data are end of year values converted to U.S. dollars using corresponding year-end foreign exchange rates.; ; World Federation of Exchanges database.; Sum; Stock market data were previously sourced from Standard & Poor's until they discontinued their 'Global Stock Markets Factbook' and database in April 2013. Time series have been replaced in December 2015 with data from the World Federation of Exchanges and may differ from the previous S&P definitions and methodology.

Annual estimates of gross and net capital stocks and consumption of fixed capital in the UK, in current prices and chained volume measures.

End-of-day prices refer to the closing prices of various financial instruments, such as equities (stocks), bonds, and indices, at the end of a trading session on a particular trading day. These prices are crucial pieces of market data used by investors, traders, and financial institutions to track the performance and value of these assets over time. The Techsalerator closing prices dataset is considered the most up-to-date, standardized valuation of a security trading commences again on the next trading day. This data is used for portfolio valuation, index calculation, technical analysis and benchmarking throughout the financial industry. The End-of-Day Pricing service covers equities, equity derivative bonds, and indices listed on 170 markets worldwide.

Stock price volatility in United Kingdom was reported at 22.02 in 2021, according to the World Bank collection of development indicators, compiled from officially recognized sources. United Kingdom - Stock price volatility - actual values, historical data, forecasts and projections were sourced from the World Bank on October of 2025.

United Kingdom UK: Stocks Traded: Turnover Ratio of Domestic Shares data was reported at 146.431 % in 2008. This records an increase from the previous number of 102.632 % for 2007. United Kingdom UK: Stocks Traded: Turnover Ratio of Domestic Shares data is updated yearly, averaging 40.860 % from Dec 1975 (Median) to 2008, with 34 observations. The data reached an all-time high of 146.431 % in 2008 and a record low of 15.170 % in 1978. United Kingdom UK: Stocks Traded: Turnover Ratio of Domestic Shares data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s United Kingdom – Table UK.World Bank.WDI: Financial Sector. Turnover ratio is the value of domestic shares traded divided by their market capitalization. The value is annualized by multiplying the monthly average by 12.; ; World Federation of Exchanges database.; Weighted average; Stock market data were previously sourced from Standard & Poor's until they discontinued their 'Global Stock Markets Factbook' and database in April 2013. Time series have been replaced in December 2015 with data from the World Federation of Exchanges and may differ from the previous S&P definitions and methodology.

This analysis presents a rigorous exploration of financial data, incorporating a diverse range of statistical features. By providing a robust foundation, it facilitates advanced research and innovative modeling techniques within the field of finance.

FTSE 100: Where to Next?

Financial data:

• Historical daily stock prices (open, high, low, close, volume)

• Fundamental data (e.g., market capitalization, price to earnings P/E ratio, dividend yield, earnings per share EPS, price to earnings growth, debt-to-equity ratio, price-to-book ratio, current ratio, free cash flow, projected earnings growth, return on equity, dividend payout ratio, price to sales ratio, credit rating)

• Technical indicators (e.g., moving averages, RSI, MACD, average directional index, aroon oscillator, stochastic oscillator, on-balance volume, accumulation/distribution A/D line, parabolic SAR indicator, bollinger bands indicators, fibonacci, williams percent range, commodity channel index)

Machine learning features:

• Feature engineering based on financial data and technical indicators

• Sentiment analysis data from social media and news articles

• Macroeconomic data (e.g., GDP, unemployment rate, interest rates, consumer spending, building permits, consumer confidence, inflation, producer price index, money supply, home sales, retail sales, bond yields)

Potential Applications:

• Stock price prediction

• Portfolio optimization

• Algorithmic trading

• Market sentiment analysis

• Risk management

Use Cases:

• Researchers investigating the effectiveness of machine learning in stock market prediction

• Analysts developing quantitative trading Buy/Sell strategies

• Individuals interested in building their own stock market prediction models

• Students learning about machine learning and financial applications

Additional Notes:

• The dataset may include different levels of granularity (e.g., daily, hourly)

• Data cleaning and preprocessing are essential before model training

• Regular updates are recommended to maintain the accuracy and relevance of the data

Gross and net capital stocks by selected industries and assets, in current prices and previous year's prices.

Additional reference tables for ownership of quoted UK shares.

Graph and download economic data for Volatility of Stock Price Index for United Kingdom (DDSM01GBA066NWDB) from 1985 to 2021 about volatility, stocks, United Kingdom, price index, indexes, and price.

United Kingdom UK: Stocks Traded: Total Value: % of GDP data was reported at 77.974 % in 2014. This records an increase from the previous number of 61.137 % for 2013. United Kingdom UK: Stocks Traded: Total Value: % of GDP data is updated yearly, averaging 41.678 % from Dec 1975 (Median) to 2014, with 40 observations. The data reached an all-time high of 131.624 % in 2010 and a record low of 5.825 % in 1979. United Kingdom UK: Stocks Traded: Total Value: % of GDP data remains active status in CEIC and is reported by World Bank. The data is categorized under Global Database’s United Kingdom – Table UK.World Bank.WDI: Financial Sector. The value of shares traded is the total number of shares traded, both domestic and foreign, multiplied by their respective matching prices. Figures are single counted (only one side of the transaction is considered). Companies admitted to listing and admitted to trading are included in the data. Data are end of year values.; ; World Federation of Exchanges database.; Weighted average; Stock market data were previously sourced from Standard & Poor's until they discontinued their 'Global Stock Markets Factbook' and database in April 2013. Time series have been replaced in December 2015 with data from the World Federation of Exchanges and may differ from the previous S&P definitions and methodology.

Stock Price Time Series for Next PLC. NEXT plc engages in the retail of clothing, homeware, and beauty products in the United Kingdom, rest of Europe, the Middle East, Asia, and internationally. It operates through NEXT Online, NEXT Retail, NEXT Finance, Total Platform, and Other Business Activities segments. The company offers NEXT branded products; and women's, men's, children's fashion clothing, and accessories; and third-party branded products. It also provides consumer credit; services to third-party brands, including websites, marketing, warehousing, distribution networks, and contact centers; and property management, which holds and leases properties. The company operates through retail stores, online retail platforms, and franchise stores. The company was formerly known as J Hepworth & Son and changed its name to NEXT plc in 1986. NEXT plc was founded in 1864 and is headquartered in Enderby, the United Kingdom.

Polestar Automotive Holding UK stock price, live market quote, shares value, historical data, intraday chart, earnings per share and news.

Stock Price Time Series for Catalyst Media Group PLC. Catalyst Media Group plc, engages in the provision of business administrative services worldwide. Its services focus on managing the strategic investment in Sports Information Services (Holdings) Ltd (SIS), including the provision of services to SIS and the management of overheads. The company provides betting services to retail and online operators that offers end-to-end solution of live pictures and data on-screen graphics with betting triggers and a range of markets and prices. In addition, it provides retail solutions, including horse and greyhound racing, virtual and numbers content, and other sports. Catalyst Media Group plc was incorporated in 2000 and is based in London, the United Kingdom.

US stock prices listed on Standard & Poor’s 500 (S&P 500) Stock Index and UK stock prices from the London Stock Exchange (LSE)

The total market capitalization of all companies trading on the London Stock Exchange (LSE) took a large hit during the early months of 2020, due mostly part to a mass sell-off of shares caused by the fears surrounding the global coronavirus (COVID-19) pandemic. Between December 2019 and March 2020, the total value of market capitalization decreased by more than 900 billion British pounds (GBP). The overall number of companies currently trading has also been falling. The number of daily trades spiked in March 2020 and then decreased as well. As of February 2025, the total market value of all companies trading on the London Stock Exchange stood at over 4.65 trillion British pounds. European stock exchanges While almost every country has a stock Exchange, in Europe only five exchanges are considered major, with total market capital amounting to over one trillion euros. The London Stock Exchange is the second largest in Europe and tenth largest worldwide. As of January 2025, Europe’s largest stock exchange, Euronext had a total market capital of listed companies valued at approximately 6.22 trillion U.S. dollars.