Australia · Commonwealth contract register · Supplier record

Optimum Business Consulting Pty Ltd

Line: Accounting services (84111500)Register loaded to September 2026Compiled 6 October 2026

Optimum Business Consulting Pty Ltd — Australia · Commonwealth contract register · Supplier record: 8 contracts, all years (A$442,067 · Apr 2022 – Feb 2026); A$114K since January 2024 (4 contracts · 3 agencies); — rank in the line (of 41 suppliers · 0.0%); 34 agencies never served (A$7.5M on the line without Optimum Business Consulting Pty Ltd).

Assay record ASY-AU-00OJPLM053 · Cite as: Assay Systems, “Optimum Business Consulting Pty Ltd in the AusTender register”, https://assay-systems.com/register/au/optimum-business-consulting-pty-ltd/

8
contracts, all years
A$442,067 · Apr 2022 – Feb 2026
A$114K
since January 2024
4 contracts · 3 agencies
—
rank in the line
of 41 suppliers · 0.0%
34
agencies never served
A$7.5M on the line without Optimum Business Consulting Pty Ltd

Own record by year

2022 onward
A$132K
A$196K
A$72.4K
A$22.1K
A$20.0K
20222023202420252026

Who buys from Optimum Business Consulting Pty Ltd

since January 2024
3agencies
A$114Kpaid
69.9%top buyer
Office of the Inspector-General of Intelligence and Security69.9%
A$80,000
Australian Securities and Investments Commission19.3%
A$22,100
Department of Education10.8%
A$12,375

Before 2024 only: Department of Employment and Workplace Relations, Department of Social Services.

The line

since January 2024
A$10.6Mline value
79contracts
38agencies
41suppliers
73.1%held by top ten

Accounting services (84111500)

A$2.9M
A$4.5M
A$3.2M
202420252026Jan–Sep
—of 41 suppliers
A$0Optimum Business Consulting Pty Ltd in the line
0.0%share of the line

Agencies that buy the line and never bought from Optimum Business Consulting Pty Ltd

34agencies
65contracts
A$7,517,379since January 2024
National Archives of Australia4 contracts
A$1,179,265
Murray-Darling Basin Authority1 contract
A$840,045
Department of Industry, Science and Resources7 contracts
A$769,116
Director of National Parks1 contract
A$628,978
CSIRO1 contract
A$547,952
High Speed Rail Authority1 contract
A$450,000
Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts2 contracts
A$330,000
National Emergency Management Agency1 contract
A$311,696
Department of Agriculture, Fisheries and Forestry3 contracts
A$292,484
Attorney-General's Department3 contracts
A$266,118
Department of Foreign Affairs and Trade4 contracts
A$246,962
Australian Bureau of Statistics4 contracts
A$211,974
Clean Energy Regulator3 contracts
A$168,935
Australian National Audit Office3 contracts
A$158,683
National Indigenous Australians Agency1 contract
A$125,000
Department of the House of Representatives4 contracts
A$117,086
Department of Parliamentary Services1 contract
A$98,010
National Capital Authority1 contract
A$89,100
Commonwealth Superannuation Corporation2 contracts
A$88,200
Office of the Special Investigator1 contract
A$73,920
Department of Veterans' Affairs2 contracts
A$70,040
Department of Climate Change, Energy, the Environment and Water2 contracts
A$69,645
Australian Criminal Intelligence Commission1 contract
A$66,990
NDIS Quality and Safeguards Commission1 contract
A$63,399
Organ and Tissue Authority1 contract
A$44,550
Federal Court of Australia1 contract
A$41,580
Professional Services Review1 contract
A$34,650
Administrative Review Tribunal1 contract
A$33,330
Office of the Director of Public Prosecutions2 contracts
A$25,721
Fair Work Commission1 contract
A$21,450
Geoscience Australia1 contract
A$16,500
Commonwealth Grants Commission1 contract
A$15,000
Net Zero Economy Authority1 contract
A$11,000
Australian Radiation Protection and Nuclear Safety Agency1 contract
A$10,000

How the line is bought

by value, since 2024
26%limited tender
0of these to Optimum Business Consulting Pty Ltd
Open tender48 contracts
A$7,806,077 · 73.7%
Limited tender, no open approach to market31 contracts
A$2,790,737 · 26.3%

Contracts reaching their end dates

Oct 2026 – October 2027
30contracts
A$9,037,221end by October 2027
11end in June 2027 · A$6.5M
23in agencies never served · A$2.6M
A$68.7K
A$1.5M
A$254K
A$150K
A$413K
A$41.6K
A$73.5K
A$89.1K
A$6.5M
A$11.1K
Oct 262 contractsNov 264 contractsDec 263 contractsJan 272 contractsFeb 273 contractsMar 271 contractApr 272 contractsMay 271 contractJun 2711 contractsJul 271 contract

Fastest-growing supplier in the line

same line
+125%growth

14942509138

2024 to date
A$495,375
2022–2023
A$220,231

The extract

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

Request extractSee a sample extract

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.