Sumerian Foundation (www.sumerianfoundation.org) enables early stage social enterprises to achieve viable growth and impact.in their efforts to tackle different dimensions of social inequality in any part of the UK We have a long track record as an “impact first” investor, and provide assistance tailored to the specific needs of each organisation. This includes skills support and mentorship that draws on our own operational experience of starting and growing charities and small businesses, together with patient and flexible finance typically between £75,000 to £200,000.