LSE Top Companies List by Market Cap as of August 2026

Reckitt Benckiser Group is Consumer Goods and FMCG Products manufacturing Company related to health brands, cleanliness brands, hygiene brands and personal care products.

They have more than 40 thousand employees working across 6 continents in 60 different locations as on 2023. Headquarters is in UK.

Company products are used by generations of families that have grown up with Reckitt products. RECKITT BENCKISER GROUP unrivalled range provides health, hygiene and nutrition for people in 200 countries around the world.

SSE PLC is a Electricity generation and distribution company. SSE Energy Services was acquired by OVO Energy from SSE plc. SSE Energy Services is now owned and operated by OVO Energy. SSE's vision is to be a leading energy company in a low carbon world. Headquarters is in UK.

SSE PLC Business Segments:

• SSE Renewables
• SSEN Distribution
• SSEN Transmission
• SSE Thermal
• SSE Energy Solutions
• SSE Airtricity

Tesco is UK based retail company with businesses in Grocery and General Merchandise. Headquarters is in UK. Tesco has more than 345,000 colleagues and they aim to serve customers every day with affordable, healthy and sustainable food and Tesco has 4,613 retail stores.

As of 2022, Tesco had 354,744 employees.

Carnival is a cruise deals and cruise packages to the most popular destinations company. It is Cruise operating and travel leisure company. The headquarters is in USA.

Vodafone Group is Telecom Company with headquarters is in London, UK.

3I Group is a multinational private equity, infrastructure and debt management. The company has two complementary business: private equity and infrastructure, specializing in core investment markets. Its private equity business includes investment and asset management to generate capital returns, and is focused on consumer, industrial and business service sectors. The headquarters is in UK.

Pjsc Lukoil is Energy Company and Oil and Gas company with headquarters is in Moscow, Russia.

Nasper has businesses and investments in Internet Technology based companies, eCommerce, Media and Entertainment. Headquarters is in South Africa.

Novatek is Natural Gas Producing company with headquarters is in Russia.

Experian is Credit Reporting Agency company with headquarters is in Dublin, Ireland. They Employe 16500 people across 39 countries. They provide mainly services in North America, Latin America, the UK, Europe, the Middle East, Africa, and Asia Pacific. While Banks giving loans and credit cards to individuals and companies, generally they will verify credit report from companies like Experian and based on credit score that they will decide whether loans can be given or not.