Many in the private sector are committed to global efforts to achieve the Sustainable Development Goals (SDGs) and recognise the benefits of investing in WASH. However, there is insufficient research, analysis and evidence demonstrating how WASH investments in private sector upstream value chains can contribute to core business value. WaterAid is seeking expressions of interest to conduct rigorous, evidence-based research into the business case for private sector investment in WASH for workers, in upstream value chains and in the communities within a companies’ sphere of influence. The overall aim of WaterAid’s call for expressions of interest is to strengthen the business case for action and ‘scale-up’ investment to support WASH action across the private sector upstream value chain. The project is supported by Diageo Foundation and Unilever, and it will be led by WaterAid. It entails delivery of a proposition for broader company or partner engagement in this research; gathering of evidence to strengthen the business case; a report that details the business case, tools businesses can use, case studies; and considerations surrounding the scale-up of action across private sector upstream value chains. Download the problem statement and request for proposals > Application process The proposals should be sent in a document of no more than 3,000 words (plus CVs in appendix) to Ruth Romer at [email protected], no later than 1 May 2017. The email should use 'Proposal: Strengthening the business case' as the subject. Proposals will be reviewed and a decision made w/c 8 May 2017.