Sullivan & Cromwell provides the highest quality legal advice and representation to clients around the world.Sullivan & Cromwell LLP provides legal advisory services to banking, chemicals, consumer products, financial, healthcare, insurance, real estate, energy, and telecommunication sectors. The firm focuses on areas such as mergers and acquisitions, finance and corporate transactions, business litigation, corporate investigations, regulatory, tax, and estate planning. it provides intellectual property and technology, international trade, investment management, and criminal defense services.