China, Japan and Canada with six per cent each followed.
Michael Charlton, Think London's Chief, said: "London does not have the same resonance in China, Russia or Brazil as it does in India."
Charlton warned against complacency, however, saying that "FDI companies are continually re-evaluating their presence here ... More than half review their global strategy every three to five years, and thirteen percent do so every year."
Think London is the foreign direct investment agency for London. It provides free, confidential and comprehensive advice to help international business locate and expand in London.