Federal · Award history

Australian Taxation Office — contracts awarded and suppliers

AskTender holds 4,722 contract awards published by Australian Taxation Office, spanning July 2021 to July 2026. Together they are worth $8.2B. The named suppliers, contract values and award dates are all below.

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Australian Taxation Office at a glance

4,722

contracts awarded

$8.2B

total contract value

1,104

different suppliers used

July 2021July 2026

award history covered

Median contract value is $63k; the largest single award is $432.9M.

Who supplies Australian Taxation Office?

The 20 suppliers below account for the largest share of Australian Taxation Office's contract spend on record. If you are bidding into this agency, these are your incumbents.

Supplier Contracts Total value
Accenture Australia Pty Ltd 23 $759.3M
IBM AUSTRALIA LTD 9 $606.4M
probe operations pty ltd 4 $440.0M
doma barton pty ltd 1 $323.4M
the trust company australia limited 1 $323.4M
the trustee for ch genge landowner trust 1 $310.8M
the trustee for 55 elizabeth street brisbane fund 1 $298.6M
CUSHMAN & WAKEFIELD PTY LTD 9 $239.5M
Australian Post 13 $205.6M
amp capital investors limited 1 $174.2M
mirvac funds management australia limited 1 $174.2M
walker riverside retail pty ltd 1 $156.5M
AMAZON WEB SERVICES (AWS) 4 $153.3M
cushman and wakefield project servi aust pty ltd 1 $152.7M
DEPARTMENT OF HOME AFFAIRS TA 7 $151.5M
the trustee for clw boxhill trust and the trustee for dof boxhill tru 1 $147.7M
Datacom Systems (AU) Pty Ltd 8 $136.4M
Clicks Recruit (Australia) Pty Ltd 229 $123.2M
serco citizen services pty ltd 1 $116.8M
parramatta square no 6 no 8 prope 1 $113.8M

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Largest contracts awarded by Australian Taxation Office

Contract Value Awarded Source
Provision of External Service Centre Services $432.9M 2 July 2024 notice →
Lease at 15 Sydney Avenue, Barton. Start date of lease 18/02/2026. New landlord (Replace CN3922658) $323.4M 14 September 2023 notice →
Lease at 15 Sydney Avenue, Barton. New CN4003186 due to landlord change. $323.4M 25 October 2022 notice →
Provision of building leasing - Kembery/Gnabra, Canberra. Previous CN248345 due to ownership changed $310.8M 10 March 2023 notice →
55 Elizabeth Street Brisbane QLD 15 Year Lease. New Landlord Old CN474236 $298.6M 15 January 2024 notice →
Provision of IT Software $261.4M 19 January 2023 notice →
Provision of Mainframe Hardware $192.5M 29 August 2023 notice →
Lease - 255 George Street Sydney. Previous CN3848844 $174.2M 24 February 2023 notice →

Australian Taxation Office contract activity by year

Year Contracts Value
2021 657 $867.7M
2022 970 $1.6B
2023 997 $2.3B
2024 739 $1.8B
2025 805 $1.0B
2026 554 $546.3M

Find live Federal opportunities

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Frequently asked questions

Who are Australian Taxation Office's biggest suppliers?+

Across the 4,722 contracts we hold, the largest supplier by value is Accenture Australia Pty Ltd with 23 contracts worth $759.3M. In total 1,104 different suppliers have won work with Australian Taxation Office.

How much does Australian Taxation Office spend on contracts?+

The 4,722 awards we hold total $8.2B, covering July 2021 to July 2026. The median contract is $63k and the largest single award is $432.9M.

How do I find Australian Taxation Office tenders before they close?+

Connect AskTender to ChatGPT or Claude and ask for open tenders from Australian Taxation Office. New notices appear within 15 minutes of publishing, so you see them while there is still time to bid rather than after the award is announced.

Where does this Australian Taxation Office award data come from?+

Every figure on this page is taken from official government contract award notices, published by the buying agency itself. We link to the source notice for each contract listed. The data covers July 2021 to July 2026.

Track Australian Taxation Office tenders inside your AI.

You know who wins their work. Now see every new opportunity within 15 minutes of publishing — asked in plain English, inside ChatGPT or Claude.

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