Whenever a large project is conceived, built and operated, legal advice is key. A project might relate to the construction of a new hospital or a wind farm in the UK, or perhaps a new transnational gas pipeline. UK lawyers frequently work on the construction and financing of energy and transport infrastructure projects in other parts of the world, leveraging their expertise in English law (which is often the law of choice for a project's commercial and finance agreements). Large projects involve lawyers specialising in finance, construction and corporate law, all of whom must work over long periods of time and to finely tuned schedules. Some firms target the project companies and their shareholders (sometimes referred to as "sponsors") that actually build things; some the governments and organisations that commission projects; some focus on representing banks and other funding entities; and some advise all of these from time to time.