Australia · Commonwealth contract register · Supplier record

Wendy Southern

Line: Audit services (84111600)Register loaded to September 2026Compiled 6 October 2026

Wendy Southern — Australia · Commonwealth contract register · Supplier record: 6 contracts, all years (A$441,250 · Mar 2022 – May 2025); A$349K since January 2024 (4 contracts · 3 agencies); 84th rank in the line (of 199 suppliers · 0.1%); 72 agencies never served (A$159M on the line without Wendy Southern).

Assay record ASY-AU-0GAENY41LI · Cite as: Assay Systems, “Wendy Southern in the AusTender register”, https://assay-systems.com/register/au/wendy-southern/

6
contracts, all years
A$441,250 · Mar 2022 – May 2025
A$349K
since January 2024
4 contracts · 3 agencies
84th
rank in the line
of 199 suppliers · 0.1%
72
agencies never served
A$159M on the line without Wendy Southern

Own record by year

2022 onward
A$42.0K
A$50.0K
A$135K
A$214K
20222023202420252026

Who buys from Wendy Southern

since January 2024
3agencies
A$349Kpaid
52.0%top buyer
Department of Home Affairs52.0%
A$181,500
Department of Finance38.6%
A$134,750
National Archives of Australia9.4%
A$33,000

Before 2024 only: Australian Federal Police, Parliamentary Budget Office.

The line

since January 2024
A$162Mline value
560contracts
77agencies
199suppliers
58.8%held by top ten

Audit services (84111600)

A$82.5M
A$45.0M
A$34.4M
202420252026Jan–Sep
84thof 199 suppliers
A$167,750Wendy Southern in the line
0.1%share of the line
31.5%of A$427,130 spent by Department of Finance
28.2%of A$116,996 spent by National Archives of Australia

Agencies that buy the line and never bought from Wendy Southern

72agencies
540contracts
A$158,663,464since January 2024
Australian National Audit Office73 contracts
A$40,709,754
Clean Energy Regulator171 contracts
A$38,700,642
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts2 contracts
A$18,971,771
Department of Social Services9 contracts
A$8,933,973
Department of Employment and Workplace Relations25 contracts
A$8,639,423
Reserve Bank of Australia2 contracts
A$6,376,607
Department of Education15 contracts
A$5,180,351
Australian Electoral Commission3 contracts
A$3,821,782
Department of Foreign Affairs and Trade11 contracts
A$2,253,721
Department of the Prime Minister and Cabinet8 contracts
A$2,069,169
Department of Parliamentary Services6 contracts
A$1,960,204
Australian Bureau of Statistics1 contract
A$1,500,000
Services Australia15 contracts
A$1,146,280
Australian Skills Quality Authority29 contracts
A$1,076,700
Australian Securities and Investments Commission9 contracts
A$979,951
Australian Financial Security Authority2 contracts
A$977,559
Australian Criminal Intelligence Commission1 contract
A$973,356
Department of Climate Change, Energy, the Environment and Water14 contracts
A$926,926
Department of Industry, Science and Resources7 contracts
A$885,924
Department of Health and Aged Care1 contract
A$783,860
Department of Agriculture, Fisheries and Forestry4 contracts
A$742,988
National Emergency Management Agency4 contracts
A$604,227
Director of National Parks1 contract
A$550,000
Australian Taxation Office2 contracts
A$529,829
Office of the Commonwealth Ombudsman2 contracts
A$520,001
Australian Institute of Marine Science1 contract
A$517,077
Comcare1 contract
A$489,911
CSIRO1 contract
A$463,844
Independent Health and Aged Care Pricing Authority1 contract
A$456,700
National Indigenous Australians Agency6 contracts
A$449,922
Royal Australian Mint11 contracts
A$436,264
National Gallery of Australia1 contract
A$430,000
Australian Office of Financial Management3 contracts
A$416,670
Australian Transaction Reports and Analysis Centre2 contracts
A$381,890
Climate Change Authority3 contracts
A$299,500
Australian Digital Health Agency1 contract
A$275,000
Great Barrier Reef Marine Park Authority4 contracts
A$266,630
Australian Human Rights Commission1 contract
A$264,000
Australian Submarine Agency3 contracts
A$256,574
Australian Energy Regulator3 contracts
A$249,900
Department of Infrastructure, Transport, Regional Development, Communications and the Arts1 contract
A$247,861
Defence and Veterans' Service Commission3 contracts
A$237,600
Australian Public Service Commission2 contracts
A$205,000
Department of Defence8 contracts
A$192,370
Department of the Treasury3 contracts
A$182,304
Cancer Australia4 contracts
A$166,988
National Anti-Corruption Commission3 contracts
A$156,650
National Health Funding Body2 contracts
A$145,493
Fair Work Commission4 contracts
A$143,000
Geoscience Australia7 contracts
A$139,461
Office of the Director of Public Prosecutions2 contracts
A$126,000
Bureau of Meteorology4 contracts
A$117,773
Australian Competition and Consumer Commission2 contracts
A$99,643
Office of the Inspector-General of Intelligence and Security3 contracts
A$98,750
Net Zero Economy Authority3 contracts
A$97,000
Australian Radiation Protection and Nuclear Safety Agency4 contracts
A$96,549
Old Parliament House1 contract
A$85,883
Safe Work Australia2 contracts
A$79,200
Australian Communications and Media Authority2 contracts
A$77,676
Department of the Senate2 contracts
A$61,380
Professional Services Review2 contracts
A$55,425
NDIS Quality and Safeguards Commission1 contract
A$51,480
Australian Law Reform Commission1 contract
A$49,500
Australian Research Council2 contracts
A$45,151
Office of the Fair Work Ombudsman2 contracts
A$43,903
Digital Transformation Agency3 contracts
A$43,244
Australian Prudential Regulation Authority2 contracts
A$35,189
Organ and Tissue Authority1 contract
A$29,238
Office of the Official Secretary to the Governor-General2 contracts
A$27,850
Attorney-General's Department1 contract
A$24,420
National Health and Medical Research Council1 contract
A$21,879
Sport Integrity Australia1 contract
A$10,725

How the line is bought

by value, since 2024
7%limited tender
0of these to Wendy Southern
Open tender409 contracts
A$150,559,540 · 93.0%
Limited tender, no open approach to market151 contracts
A$11,400,384 · 7.0%

Contracts reaching their end dates

Oct 2026 – October 2027
193contracts
A$100,332,566end by October 2027
60end in June 2027 · A$50.8M
178in agencies never served · A$97.1M
A$11.7M
A$8.2M
A$2.6M
A$12.2M
A$3.2M
A$957K
A$2.8M
A$6.8M
A$50.8M
A$157K
A$979K
Oct 2625 contractsNov 2629 contractsDec 2616 contractsJan 279 contractsFeb 2710 contractsMar 279 contractsApr 2715 contractsMay 279 contractsJun 2760 contractsJul 273 contractsAug 278 contracts

Suppliers next to it in the line

since January 2024
CALLIDA INDIGENOUS CONSULTING PTY LTD1 contract · 1 agency
A$172,656
COMPLIANCE COUNCIL PTY LTD1 contract · 1 agency
A$172,240
Safety Management Solutions Pty Ltd1 contract · 1 agency
A$169,456
Wendy Southern
A$167,750

All 199 suppliers in the line

Fastest-growing supplier in the line

same line
+285%growth

75288172749

2024 to date
A$20,430,665
2022–2023
A$5,304,082

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

Source: AusTender Contract Notice Export, Department of Finance, Commonwealth of Australia, via data.gov.au, licensed under Creative Commons Attribution 3.0 Australia; accessed 25 September 2026.Assay Systems has changed the data.