SGH Martineau LLP was a legal advisory firm with practice areas included banking, insolvency, finance, tax, commercial property, intellectual property, and corporate. The Firm's clients included companies from the business services, construction, education, energy services, engineering, life science, retail, and technology hardware sectors. SGH Martineau was based in London. In 2015, SGH Martineau LLP was merged with Shakespeares Legal LLP to form Shakespeare Martineau LLP.