AOS: public contracts won without a rival in Australia: 4 uncontested awards; 80% of its awards; 4 without a competition; 0 single bid.
Assay record ASY-AU-1D09FF41LU · Cite as: Assay Systems, “AOS: public contracts won without a rival in Australia”, https://assay-systems.com/register/au/uncontested/s/aos/
AOS won 4 of its 5 public contract awards in Australia without a rival from 2021-09-28 to 2024-03-05: 4 without a competition and 0 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest Department of Defence with 4.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Department of Defence gave AOS 5 awards: 4 without a competition, 0 after a competition with a single bid. First 2021-09-28, latest 2024-03-05.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2024-03-05 | Department of Defence CN4038373 | No competition Limited tender | — |
| 2023-03-21 | Department of Defence CN3953023 | No competition Limited tender | — |
| 2022-03-17 | Department of Defence CN3856507 | No competition Limited tender | — |
| 2021-09-28 | Department of Defence CN3815556 | No competition Limited tender | — |
Every uncontested award in Australia · All countries · AOS in the register
Source: AusTender contract notices, Department of Finance (tenders.gov.au), Creative Commons Attribution 3.0 Australia; “limited tender” is counted as an award without a competition, AusTender does not publish the number of bids. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.