An inquiry probing links between former cabinet minister Stuart Robert, key Liberal Party fundraisers and consulting firm Synergy 360 has asked the National Anti-Corruption Commission to take over investigating possible conflicts of interest in government contract decisions.

Warning it lacks sufficient powers to investigate “serious and systemic” allegations related to the former Queensland MP and procurement and lease deals at the National Disability Insurance Agency and Services Australia, federal parliament’s Joint Public Accounts and Audit committee said the newly founded NACC should take over.