riscos ltd also referred to as rol was a limited company engaged in computer software and it consulting it licensed the rights to continue the development of risc os  and to distribute it for desktop machines as an upgrade or for new machines from element  and subsequently pace micro technology company founders include developers who formerly worked within acorns dealership network it was established as a nonprofit company on or before  march  qd developments acquired riscos ltds flavour of risc os riscos ltd was dissolved on  may 