Australia · Commonwealth contract register · Supplier record

Dalla Costa Pty Ltd

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

Dalla Costa Pty Ltd — Australia · Commonwealth contract register · Supplier record: 26 contracts, all years (A$1,662,647 · Nov 2021 – Sep 2026); A$860K since January 2024 (14 contracts · 13 agencies); 39th rank in the line (of 199 suppliers · 0.31%); 64 agencies never served (A$156M on the line without Dalla Costa Pty Ltd).

Assay record ASY-AU-0V7AG470NE · Cite as: Assay Systems, “Dalla Costa in the AusTender register”, https://assay-systems.com/register/au/dalla-costa/

26
contracts, all years
A$1,662,647 · Nov 2021 – Sep 2026
A$860K
since January 2024
14 contracts · 13 agencies
39th
rank in the line
of 199 suppliers · 0.31%
64
agencies never served
A$156M on the line without Dalla Costa Pty Ltd

Own record by year

2021 onward
A$69.3K
A$276K
A$458K
A$473K
A$212K
A$176K
202120222023202420252026

Who buys from Dalla Costa Pty Ltd

since January 2024
13agencies
A$860Kpaid
28.9%top buyer
Australian Digital Health Agency28.9%
A$248,864
National Indigenous Australians Agency14.9%
A$127,864
National Emergency Management Agency11.9%
A$101,989
Australian Public Service Commission8.7%
A$75,000
Department of the Treasury8.1%
A$70,000
Defence and Veterans' Service Commission6.6%
A$57,000
Department of the Prime Minister and Cabinet5.1%
A$44,259
Digital Transformation Agency4.1%
A$35,400
Australian Naval Nuclear Power Safety Regulator3.2%
A$27,500
Administrative Review Tribunal2.4%
A$21,000
Geoscience Australia2.3%
A$20,000
Department of Home Affairs1.9%
A$16,500
Parliamentary Workplace Support Service1.7%
A$14,856

Before 2024 only: Administrative Appeals Tribunal, Attorney-General's Department, Australian Financial Security Authority, NDIS Quality and Safeguards Commission, National Mental Health Commission.

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
39thof 199 suppliers
A$496,112Dalla Costa Pty Ltd in the line
0.31%share of the line
28.4%of A$449,922 spent by National Indigenous Australians Agency
16.9%of A$604,227 spent by National Emergency Management Agency

Agencies that buy the line and never bought from Dalla Costa Pty Ltd

64agencies
517contracts
A$155,874,364since 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 Parliamentary Services6 contracts
A$1,960,204
Australian Federal Police9 contracts
A$1,862,160
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 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
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
Royal Australian Mint11 contracts
A$436,264
National Gallery of Australia1 contract
A$430,000
Department of Finance6 contracts
A$427,130
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
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
Department of Defence8 contracts
A$192,370
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
Office of the Director of Public Prosecutions2 contracts
A$126,000
Bureau of Meteorology4 contracts
A$117,773
National Archives of Australia2 contracts
A$116,996
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
Parliamentary Budget Office1 contract
A$64,000
Department of the Senate2 contracts
A$61,380
Professional Services Review2 contracts
A$55,425
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
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
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 Dalla Costa Pty Ltd
Open tender411 contracts
A$150,760,902 · 93.1%
Limited tender, no open approach to market149 contracts
A$11,199,022 · 6.9%

Contracts reaching their end dates

Oct 2026 – October 2027
191contracts
A$100,241,852end by October 2027
59end in June 2027 · A$50.8M
172in agencies never served · A$96.4M
A$11.6M
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$959K
Oct 2624 contractsNov 2629 contractsDec 2616 contractsJan 279 contractsFeb 2711 contractsMar 279 contractsApr 2715 contractsMay 279 contractsJun 2759 contractsJul 273 contractsAug 277 contracts

Suppliers next to it in the line

since January 2024
Dalla Costa Pty Ltd
A$496,112
TBT HOLDINGS PTY LTD1 contract · 1 agency
A$492,077
Taylor Fry Consulting1 contract · 1 agency
A$489,911
DJX ADVISORY PTY LTD3 contracts · 3 agencies
A$486,783

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.