SNG Grant Thornton South Africa; member firm of Grant Thornton International Ltd. Grant Thornton is one of the world's leading organisations of independent assurance, tax and advisory firms. SNG Grant Thornton is the South African member firm of Grant Thornton International Ltd. We have progressed expeditiously in every aspect ever since our establishment in 1985. We have progressed expeditiously in every aspect ever since our establishment in 1985. We invest in listening, building relationships and understanding your concerns to deliver an experience that’s more personal, agile and proactive. We work at the pace that matters. Yours. That's why we celebrate fresh thinking and diverse perspectives to find better solutions. We don’t predict the future. We help you shape it.