GlaxoSmithKline plc (GSK) is a British multinational pharmaceutical company headquartered in London. In 2013, GSK spent £3.9 billion on research and development, accounting for 13.1% of total turnover. GSK focuses its R&D efforts on pharmaceuticals, vaccines, and consumer healthcare. Despite challenges, GSK's R&D strategy has brought an internal rate of return of 13% in 2013. Financial analysis shows GSK has maintained profitability ratios around 20% in recent years, though liquidity and solvency ratios have declined slightly from 2009 levels. Forecasts estimate GSK's return on equity will remain around 64-66% through 2017.