Multinational companies headquartered in the United Kingdom

RELX plc (pronounced "Rel-ex") is a British multinational information and analytics company headquartered in London, England. Its businesses provide scientific, technical and medical information and analytics; legal information and analytics; decision-making tools; and organise exhibitions. It operates in 40 countries and serves customers in over 180 nations. It was previously known as Reed Elsevier, and came into being in 1993 as a result of the merger of Reed International, a British trade book and magazine publisher, and Elsevier, a Netherlands-based scientific publisher.

Tungsten Network is a global electronic invoicing firm that provides supply chain financing services from international offices in the United Kingdom, United States, Bulgaria, Germany, and Malaysia. As a small- to medium-sized IT company, they have an estimated revenue of £31.3 million (GBP) as of July 2017. Tungsten Corporation Plc (TUNG) is reported to trade regularly on the London Stock Exchange. Main competitors in this arena include Tradeshift, Coupa, Ariba, Basware, Taulia and iPayables.

Enso Group is a multinational diversified conglomerate. The group was founded in 2005 by Chairman Vinay Maloo. It was started with a cluster of oil and gas exploration and production companies in Jordan, Nigeria, Georgia, Australia and India. The group has consultancy arms in the UK and Singapore with operational offices globally. Most of the group companies are privately held. Vaibhav Maloo holds the position of managing director of the group. Enso Oils & Lubricants is the Indian partner for Gazprom Neft engine oils. Enso Global Trading is a trading house based out of Dubai.

BP p.l.c. (formerly The British Petroleum Company p.l.c. and BP Amoco p.l.c.; stylised in all lowercase) is a British multinational oil and gas company headquartered in London, England. It is one of the oil and gas "supermajors" and one of the world's largest companies measured by revenues and profits. It is a vertically integrated company operating in all areas of the oil and gas industry, including exploration and extraction, refining, distribution and marketing, power generation, and trading.

Freshfields LLP (formerly Freshfields Bruckhaus Deringer, or FBD) is a British multinational law firm headquartered in London, England, and a member of the so-called "Magic Circle". The firm has 28 offices in 17 jurisdictions across Asia, Europe, the Middle East and North America. It advises national and multinational corporations, financial institutions and governments.

Reckitt Benckiser is a British-Dutch multinational consumer goods company headquartered in Slough, United Kingdom, and Hoofddorp, Netherlands. It is a producer of health, hygiene and nutrition products. The company was formed in 1999 by the merger of British company Reckitt & Colman plc and Dutch company Benckiser N.V.

Dixons Retail plc was one of the largest consumer electronics retailers in Europe, which merged with Carphone Warehouse in 2014 to create Dixons Carphone, which was renamed Currys plc in 2021. In the United Kingdom, the company operated Currys, Currys Digital, PC World (with stores increasingly dual-branded 'Currys PC World'), Dixons Travel and its service brand Knowhow.

Vodafone Group Plc is a British multinational telecommunications company. Its registered office and global headquarters are in Newbury, Berkshire, England. It predominantly operates services in Asia, Africa, Europe, and Oceania.

First Mode is a multinational decarbonization company that designs, manufactures, and distributes hybrid battery systems and hydrogen fuel cell technologies for heavy duty mining and rail vehicles, along with hydrogen refueling equipment. The company has operations in Australia, Europe, North America and South America.

Dormer Pramet is a global manufacturer and supplier of cutting tools for the engineering industry, including drilling, milling, threading and turning tools. Its origins date back to 1913, making it one of the world's oldest specialist manufacturers of engineers cutting tools.