The UK is home to numerous multinational corporations across a variety of sectors.
* **Energy**: BP (British Petroleum) and Shell are two of the world's largest oil and gas "supermajors." * **Pharmaceuticals**: GlaxoSmithKline (GSK) and AstraZeneca are global leaders in health and vaccine development. * **Banking & Finance**: HSBC, Barclays, and Lloyds Banking Group are massive financial institutions headquartered in London. * **Consumer Goods**: Unilever and Diageo manage some of the world's most recognizable food, beverage, and home care brands. * **Aerospace & Defense**: BAE Systems and Rolls-Royce (aerospace division) are critical to global aviation and defense manufacturing. * **Technology**: ARM Holdings, based in Cambridge, is a world-leading semiconductor and software design company.