P2P business models like Airbnb or Uber provide an organised way to collectively share certain resources. Could similar solutions reduce the barriers to sharing of the limited existing sanitation facilities in low income countries? During 2016 and 2017 Inclusive Business Sweden and Aqua for All, supported by Unilever and funded by Transform, carried out a project named ‘Peer-to-peer Business Models to Meet Sanitation Needs’ to explore this possibility.