| Australian National Audit Office | Contract for performance audit services | A$533.2K | 2023-04-27 |
| Australian National Audit Office | Financial Statements Auditor | A$481.2K | 2024-05-24 |
| Australian National Audit Office | Provision of Services for Funding Diagnostic Imaging Audit | A$471.9K | 2014-06-01 |
| Australian National Audit Office | Contract for performance audit of Dept of Environment | A$417.2K | 2014-07-17 |
| Australian National Audit Office | Financial Statement Auditor | A$371.5K | 2024-05-24 |
| Australian National Audit Office | Provision of contractor for Improving Water Information Program performance audit | A$281.4K | 2014-08-06 |
| Australian National Audit Office | Vista Advisory - Financial Statement Contractor
O'Connor Marsden and Associates (OCM) | A$255.5K | 2023-04-27 |
| Australian National Audit Office | Vista Advisory - Financial Statement Contractor | A$234.6K | 2021-04-12 |