companies which are partnerships between a private (i.e. profit-distributing company as set out above) and a public sector body, and where the share-holding of the private sector is 50% or more).
cwmni sy’n dosbarthu elw fel y nodwyd uchod) a chorff sector cyhoeddus, a lle mae’r sector preifat yn dal 50% neu ragor o’r cyfrannau.