Supplier · ABN 94135783792 · 2601
O'Connor Marsden & Associates Pty Ltd
$11m
total value of 135 contracts published 2022-07-01 to 2026-10-23
Whole-of-life contract values as published on AusTender, including amendments. They are commitments, not payments. 21 of these contracts (11.8% of value) were awarded by limited tender.
By agency
Contracts
Largest first, showing 100 of 135.
| Contract | Agency | Method | Published | Term | Value |
|---|---|---|---|---|---|
| Internal Audit Services CN3895496 |
Department of Health and Aged Care | open tender | 2022-07-13 | 2022-07-01 to 2024-07-31 | $660k |
| ICT Sourcing Partner CN4154272 |
Department of Health, Disability and Ageing | open tender | 2025-05-29 | 2025-05-27 to 2026-05-18 | $531k was $174k |
| Business Advisory Services CN3994809 |
Department of Defence | open tender | 2023-08-15 | 2023-07-14 to 2024-01-12 | $501k |
| Audit Service Provider Procurement 2026 CN4284447 |
Australian Competition and Consumer Commission | open tender | 2026-10-23 | 2026-10-15 to 2028-10-14 | $490k |
| Probity Advisory Services CN4083654 |
Department of Defence | open tender | 2024-07-29 | 2024-07-23 to 2027-06-30 | $385k |
| Probity services CN4063301 |
Department of Social Services | open tender | 2024-07-01 | 2024-07-01 to 2026-06-30 | $300k was $150k |
| Probity services CN4249718 |
Department of Social Services | open tender | 2026-06-17 | 2026-07-01 to 2028-06-30 | $300k |
| Probity Services CN4084727 |
Department of Defence | open tender | 2024-08-01 | 2024-07-18 to 2028-04-14 | $288k |
| Probity Services CN4003071 |
Department of Defence | limited tender | 2023-09-14 | 2023-08-23 to 2028-08-31 | $274k was $182k |
| Professional Service Consultant CN3947194 |
Department of Climate Change, Energy, the Environment and Water | open tender | 2023-02-20 | 2023-01-03 to 2023-12-22 | $250k was $125k |
| Probity Advisory Services CN3947826 |
Department of Finance | open tender | 2023-02-23 | 2023-01-27 to 2026-12-31 | $225k |
| Probity Services CN4128649 |
Department of Defence | limited tender | 2025-02-19 | 2025-01-24 to 2031-01-24 | $204k |
| Strategic Procurement Advice CN4231212 |
Australian Skills Quality Authority | open tender | 2026-04-08 | 2026-03-05 to 2026-11-30 | $180k was $73k |
| Management Advisory Services CN3904354 |
Department of Defence | open tender | 2022-08-11 | 2022-06-28 to 2023-06-30 | $150k |
| Probity and Governance Services CN3985061 |
Department of Health, Disability and Ageing | open tender | 2023-07-11 | 2023-07-07 to 2026-06-30 | $138k was $88k |
| Probity Services CN4172346 |
Department of Defence | open tender | 2025-07-22 | 2025-07-21 to 2028-06-30 | $129k |
| Approach to Market for a governance advice CN4219501 |
Department of Climate Change, Energy, the Environment and Water | open tender | 2026-02-13 | 2026-01-22 to 2027-06-30 | $121k was $55k |
| Program Assurance Services CN4234392 |
Australian Competition and Consumer Commission | open tender | 2026-04-22 | 2026-04-07 to 2027-04-06 | $119k |
| Independent Probity Advisor Services CN4213131 |
Department of Health, Disability and Ageing | open tender | 2026-01-13 | 2026-01-07 to 2027-03-31 | $110k |
| Management advisory services CN4273543 |
Department of the Treasury | open tender | 2026-09-02 | 2026-08-24 to 2027-06-30 | $101k |
| Professional Advice CN4002849 |
Department of Industry, Science and Resources | open tender | 2023-09-13 | 2023-08-31 to 2025-08-31 | $100k |
| Probity Advisory Services CN4084966 |
Department of Health and Aged Care | open tender | 2024-08-01 | 2024-07-22 to 2026-06-30 | $100k |
| Probity and Assurance Services CN4184503 |
Department of Health, Disability and Ageing | open tender | 2025-09-01 | 2025-08-13 to 2027-06-30 | $100k |
| Independent External Reviewer CN4279015 |
Department of Home Affairs | open tender | 2026-09-25 | 2026-09-21 to 2026-12-20 | $100k |
| Investigation Services CN4162431 |
Australian Digital Health Agency | open tender | 2025-06-24 | 2024-09-30 to 2025-05-25 | $98k |
| Probity Services CN4110002 |
Department of Infrastructure, Transport, Regional Development, Communications and the Arts | open tender | 2024-11-22 | 2024-03-04 to 2025-02-28 | $97k |
| Probity Services CN4136176 |
High Speed Rail Authority | open tender | 2025-03-19 | 2024-03-04 to 2025-02-28 | $97k |
| Audit and Assurance Consultant CN4111600 |
Department of Climate Change, Energy, the Environment and Water | open tender | 2024-11-29 | 2024-11-13 to 2025-04-30 | $94k was $54k |
| Probity Adviser Services (ISD) CN4267046 |
Department of Parliamentary Services | open tender | 2026-08-05 | 2026-07-13 to 2027-07-12 | $90k |
| Provision of Probity services. CN4146839 |
Department of Education | open tender | 2025-04-28 | 2025-03-19 to 2026-06-30 | $88k was $25k |
| Provision of IT Procurement Specialist CN4141685 |
Australian Securities and Investments Commission | open tender | 2025-04-07 | 2025-04-04 to 2025-06-30 | $87k |
| Probity Services CN3916148 |
Department of Defence | limited tender | 2022-09-27 | 2024-07-18 to 2027-12-31 | $84k was $26k |
| Audit Management Services CN4141885 |
Services Australia | open tender | 2025-04-08 | 2025-04-14 to 2026-07-31 | $82k was $58k |
| Investigation Services CN4122239 |
National Emergency Management Agency | open tender | 2025-01-17 | 2025-01-06 to 2026-06-30 | $80k |
| Consultancy CN4230051 |
Department of Climate Change, Energy, the Environment and Water | open tender | 2026-04-02 | 2026-04-01 to 2026-07-10 | $80k |
| Advisory Services Procurement CN4015439 |
Department of Home Affairs | open tender | 2023-11-10 | 2023-11-06 to 2024-11-05 | $79k |
| Internal Audit Services CN4080538 |
Office of the Fair Work Ombudsman | open tender | 2024-07-19 | 2024-07-09 to 2025-06-30 | $79k |
| Probity services CN4178925 |
Department of Social Services | open tender | 2025-08-19 | 2025-08-18 to 2026-12-30 | $78k |
| Probity Services CN4074830 |
Department of Defence | open tender | 2024-07-04 | 2024-06-21 to 2026-09-30 | $77k was $52k |
| Probity Services CN4169591 |
Australian Securities and Investments Commission | limited tender | 2025-07-14 | 2025-04-01 to 2027-10-01 | $77k |
| Probity Services CN3938861 |
Department of Defence | limited tender | 2023-01-10 | 2022-10-24 to 2025-06-30 | $76k was $46k |
| Provision of a Probity Advisor CN4082997 |
Department of Climate Change, Energy, the Environment and Water | open tender | 2024-07-26 | 2024-07-16 to 2027-06-30 | $75k |
| Audit Services CN4048074 |
Services Australia | open tender | 2024-04-22 | 2024-04-10 to 2025-08-29 | $74k |
| Audit Services CN4051194 |
Services Australia | open tender | 2024-05-03 | 2024-04-10 to 2025-06-30 | $74k |
| Professional Advice on Grants Programs CN4047215 |
Department of Industry, Science and Resources | open tender | 2024-04-17 | 2024-04-15 to 2024-09-30 | $74k |
| Medium Air Mobility Aircraft Project support CN3911762 |
Department of Defence | limited tender | 2022-09-08 | 2022-08-10 to 2031-12-30 | $73k |
| Probity Service Provider CN4274913 |
Department of Defence | open tender | 2026-09-08 | 2026-07-29 to 2028-06-30 | $72k |
| Probity Advisory Services CN4003342 |
Attorney-General's Department | open tender | 2023-09-15 | 2023-08-09 to 2024-12-31 | $71k was $27k |
| Probity Governance Model CN4135297 |
Australian Securities and Investments Commission | open tender | 2025-03-17 | 2025-02-28 to 2025-08-25 | $66k was $31k |
| Strategic Advice and Review Services CN4253002 |
Defence and Veterans' Service Commission | open tender | 2026-06-23 | 2026-06-22 to 2026-10-30 | $65k |
| Professional Advice on EP Tender submission CN4106753 |
Department of Industry, Science and Resources | open tender | 2024-11-08 | 2024-11-18 to 2025-01-15 | $60k |
| Probity Advisory Services CN4226870 |
Department of Health, Disability and Ageing | open tender | 2026-03-20 | 2026-03-16 to 2027-06-30 | $59k |
| Audit Services CN4048059 |
Services Australia | open tender | 2024-04-22 | 2024-04-10 to 2025-08-29 | $59k |
| Probity Advisory services CN4022878 |
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts | open tender | 2023-12-13 | 2023-11-30 to 2026-05-30 | $58k |
| Program Assurance Health Check CN4183833 |
Department of Health, Disability and Ageing | open tender | 2025-08-28 | 2025-08-18 to 2025-12-19 | $57k |
| Probity Services CN4056604 |
Department of Defence | limited tender | 2024-05-21 | 2024-04-15 to 2025-10-30 | $56k |
| Provision of Audit and Quality Assurance Consultancy Services CN4206198 |
Australian Taxation Office | open tender | 2025-12-04 | 2025-11-24 to 2026-05-28 | $56k |
| Probity Support Services CN4045823 |
Department of Defence | open tender | 2024-04-11 | 2023-11-16 to 2025-06-30 | $53k was $35k |
| Probity Services CN3914756 |
Department of Defence | limited tender | 2022-09-21 | 2022-09-06 to 2027-06-30 | $51k was $26k |
| Early Childhood Care and Development Policy Partnership Independent Pr… CN3974090 |
Department of Education | open tender | 2023-06-15 | 2023-05-22 to 2023-10-31 | $50k |
| Probity Advisor Services CN3980868 |
Department of Education | open tender | 2023-07-03 | 2023-05-22 to 2023-10-31 | $50k |
| Professional probity advice (non-legal) CN4187079 |
Department of Industry, Science and Resources | open tender | 2025-09-10 | 2025-09-01 to 2027-02-28 | $50k |
| Probity Advisor for Mobility and Functional Support (MFS26) CN4206868 |
Department of Veterans' Affairs | open tender | 2025-12-08 | 2025-12-05 to 2026-12-04 | $50k |
| Probity Advisory Services - Refresh and Expansion of OPC Panel CN4241134 |
Department of Veterans' Affairs | open tender | 2026-05-18 | 2026-05-11 to 2027-07-30 | $49k |
| Probity Services CN4062470 |
Department of Defence | limited tender | 2024-06-07 | 2024-02-19 to 2026-10-30 | $48k |
| Probity Advisory Services for Commonwealth Home Support Programme Gran… CN4029247 |
Department of Health and Aged Care | open tender | 2024-01-19 | 2024-01-17 to 2024-12-31 | $47k |
| Probity Advisor Services CN4058779 |
Department of Defence | limited tender | 2024-05-28 | 2024-05-23 to 2026-06-30 | $47k |
| Provision of Probity Services for the Specialist Dementia Care Program CN3976189 |
Department of Health and Aged Care | open tender | 2023-06-20 | 2023-07-01 to 2024-12-31 | $46k |
| Advisory Services CN4019604 |
Department of Defence | open tender | 2023-11-30 | 2023-09-22 to 2024-12-20 | $44k was $31k |
| Probity Services CN4187480 |
Department of Defence | open tender | 2025-09-11 | 2025-08-07 to 2026-09-30 | $44k |
| Investigation Services CN4040540 |
National Emergency Management Agency | limited tender | 2024-03-15 | 2024-01-31 to 2024-04-30 | $40k |
| Probity and Governance Services CN4266890 |
Department of Health, Disability and Ageing | open tender | 2026-08-05 | 2026-08-04 to 2027-06-30 | $40k |
| Redevelopment Project Services CN3911768 |
Department of Defence | limited tender | 2022-09-08 | 2022-08-10 to 2031-12-30 | $39k |
| Probity Services CN4282782 |
Department of Finance | open tender | 2026-10-15 | 2026-10-08 to 2027-09-30 | $38k |
| Probity services to support the Building Early Education Fund CN4176584 |
Department of Education | open tender | 2025-08-04 | 2025-03-19 to 2026-06-30 | $38k |
| Probity Advisor Services CN4260943 |
Department of Health, Disability and Ageing | open tender | 2026-07-14 | 2026-07-06 to 2026-12-31 | $37k |
| Procurement of Assurance and Audit Activity CN3981859 |
Department of Health and Aged Care | open tender | 2023-07-04 | 2023-07-03 to 2023-09-11 | $36k |
| Commercial Management Advisory Services CN3904352 |
Department of Defence | open tender | 2022-08-11 | 2022-07-31 to 2022-08-28 | $36k |
| Legal Services CN4052377 |
Department of Defence | limited tender | 2024-05-07 | 2024-04-18 to 2026-04-30 | $35k |
| Probity advice CN4089133 |
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts | open tender | 2024-08-20 | 2024-08-02 to 2024-11-29 | $35k |
| Review the Official Trustee operational controls CN4012624 |
Australian Financial Security Authority | open tender | 2023-10-27 | 2023-10-03 to 2024-05-30 | $34k |
| Probity Services CN4000646 |
National Indigenous Australians Agency | open tender | 2023-09-05 | 2023-08-17 to 2024-08-13 | $34k was $24k |
| Probity Services CN3965486 |
Federal Court of Australia | open tender | 2023-05-16 | 2023-03-21 to 2024-10-24 | $33k |
| Probity Advice for the Virtual Nursing in Aged Care Project CN4040279 |
Department of Health and Aged Care | open tender | 2024-03-14 | 2024-03-12 to 2025-01-31 | $33k |
| Probity Services CN3960537 |
Department of Defence | limited tender | 2023-04-26 | 2022-04-27 to 2025-01-31 | $32k |
| Construction Services CN4029830 |
Department of Defence | limited tender | 2024-01-23 | 2023-12-11 to 2026-06-30 | $32k |
| Probity Adviser CN4182827 |
Department of Health, Disability and Ageing | open tender | 2025-08-25 | 2025-07-21 to 2025-11-28 | $31k |
| Probity Services CN4143095 |
Department of Defence | open tender | 2025-04-11 | 2025-04-04 to 2027-12-31 | $30k |
| Probity Advisor CN4164489 |
Department of Veterans' Affairs | open tender | 2025-06-30 | 2025-06-17 to 2026-06-30 | $30k |
| Management advisory services CN4107103 |
Department of the Treasury | open tender | 2024-11-11 | 2024-11-04 to 2025-05-28 | $29k |
| Independent Review CN4199023 |
Administrative Review Tribunal | open tender | 2025-11-03 | 2025-10-30 to 2026-05-30 | $29k was $18k |
| Probity Services CN4035343 |
National Indigenous Australians Agency | open tender | 2024-02-20 | 2024-02-08 to 2024-06-28 | $29k was $22k |
| Probity Advisory Services CN4085809 |
Department of Health, Disability and Ageing | open tender | 2024-08-05 | 2024-08-01 to 2026-09-18 | $29k |
| Probity Adviser for Approach to Market Process CN4098556 |
Department of Health and Aged Care | open tender | 2024-09-27 | 2024-09-24 to 2025-06-30 | $27k |
| RASS External Probity Services CN4229799 |
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts | open tender | 2026-04-01 | 2026-03-25 to 2026-09-30 | $26k |
| Probity Services CN3898260 |
Department of Defence | limited tender | 2022-07-21 | 2022-07-14 to 2023-12-29 | $25k |
| Assurance Review CN4048556 |
Department of Health and Aged Care | open tender | 2024-04-23 | 2024-04-22 to 2024-06-21 | $25k |
| Engagement of a Probity Advisor CN4053371 |
Department of Health, Disability and Ageing | open tender | 2024-05-09 | 2024-04-24 to 2027-06-30 | $25k |
| Probity Adviser for the Procurement of Vaccines CN4009603 |
Department of Health and Aged Care | open tender | 2023-10-12 | 2023-10-02 to 2024-10-01 | $25k |
| Management advisory services CN4153573 |
National Indigenous Australians Agency | open tender | 2025-05-27 | 2025-05-26 to 2026-02-23 | $25k |
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