The contract is worth A$1.45 million (US$984,000) and includes annual software subscriptions for the software plus initial implementation costs.
Australian technology company K2fly confirmed that implementaion of the system would begin immediately, and RCubed would be replacing an existing in-house system.
"Rio Tinto's signing represents a significant milestone for K2fly," K2fly CCO Nic Pollock said of the deal with the major.
RCubed, designed for both resource and reserve reporting, supports reporting codes such as JORC, NI43101 and SAMREC. Its capabilities include compiling, storing, validating, auditing and filtering data in a single software as a service (SaaS) platform.
K2fly purchased RCubed in May 2019.