Federal · Award history

Australian Taxation Office — contracts awarded and suppliers

AskTender holds 4,857 contract awards published by Australian Taxation Office, spanning July 2021 to September 2026. Together they are worth $8.5B. The named suppliers, contract values and award dates are all below. Contracts here typically run about 12 months. 3 tenders are open right now — see below.

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Australian Taxation Office at a glance

4,857

contracts awarded

$8.5B

total contract value

1,123

different suppliers used

July 2021September 2026

award history covered

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

Tenders currently open from Australian Taxation Office

Australian Taxation Office has 3 tenders open for bidding. Unlike the award history below, these have not been decided yet.

Tender Closes Value Source
Budgeting and Reporting Solution (BaRS) 7 September 2026 tender →
Tax Policy Research Data Lab 9 September 2026 tender →
Global Market Intelligence Subscription 15 September 2026 tender →

Open tenders as at 5 September 2026. Check the closing date on each notice before relying on it — some may have closed since this page was built.

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
the trust company australia ltd 1 $323.4M
doma barton pty ltd 1 $323.4M
the trustee for ch genge landowner trust 1 $310.8M
the trustee for 55 elizabeth street brisbane fund 1 $298.6M
Australia Post 14 $247.7M
Cushman & Wakefield Pty Ltd 10 $242.3M
DATA#3 LIMITED. DATA 3 GROUP 78 $232.4M
amp capital investors limited 1 $174.2M
mirvac funds management australia limited 1 $174.2M
HOME AFFAIRS TIS TIS NATIONAL CENTRE 8 $162.4M
walker riverside retail pty ltd 1 $156.5M
Amazon Web Services Australia 4 $153.3M
cushman and wakefield project servi aust pty ltd 1 $152.7M
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 236 $125.9M
serco citizen services pty ltd 1 $116.8M

Browse all government suppliers →

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 →
Lease - 255 George Street Sydney. $174.2M 14 February 2022 notice →
Building Lease – Adelaide. Start date of lease 1 November 2027 $156.5M 28 May 2026 notice →
Provision of cloud services by Amazon Web Services $153.2M 16 May 2025 notice →
Provision of property Project Management Services $152.7M 9 February 2022 notice →
Provision of Microsoft Volume Sourcing Agreement (VSA) Licensing Solutions $150.9M 24 July 2026 notice →
Change of building lease ownership Whitehorse Rd Box Hill (Replacement for CN461285) $147.7M 29 July 2021 notice →
Provision of Enterprise Operations and Technical Enablement Services $141.6M 25 July 2024 notice →
Provision of Property Operational Expenses $140.1M 20 June 2025 notice →
Provision of End User Experience Services $123.6M 30 October 2023 notice →
Provision of External Service Centre Services $116.8M 2 July 2024 notice →
Lease - 6 Parramatta Square Parramatta. Start date of lease 31/03/2023 $113.8M 6 May 2022 notice →
Provision of CA Mainframe and VMware software licences $108.7M 10 April 2025 notice →
Provision of computer services $108.1M 25 August 2021 notice →
Building Lease Upper Mount Gravatt $105.1M 5 August 2024 notice →
Provision of IT Vendor Arrangement $100.8M 31 July 2023 notice →
Provision of ICT Services $99.5M 13 October 2023 notice →
Lease for 6-20 Gladstone St MOONEE PONDS VIC. New ownership. $97.5M 11 April 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 689 $781.6M

How long Australian Taxation Office contracts run

Of the 4,812 Australian Taxation Office contracts that publish both a start and an end date, the typical term is 12 months. The shortest runs 0 months and the longest 180 months. 1,853 of them run beyond a single year, so incumbents are locked in for some time once they win.

12

median months

0

shortest term

180

longest term

1,853

run over a year

Based on the 4,812 contracts with published start and end dates, out of 4,857 awards in total.

Categories Australian Taxation Office buys in

The wider market for each category — who else wins this work across Australia.

Frequently asked questions

Who are Australian Taxation Office's biggest suppliers?+

Across the 4,857 contracts we hold, the largest supplier by value is Accenture Australia Pty Ltd with 23 contracts worth $759.3M. In total 1,123 different suppliers have won work with Australian Taxation Office.

How much does Australian Taxation Office spend on contracts?+

The 4,857 awards we hold total $8.5B, covering July 2021 to September 2026. The median contract is $63k and the largest single award is $432.9M.

How long do Australian Taxation Office contracts run?+

Of the 4,812 contracts that publish both a start and an end date, the typical term is 12 months, ranging from 0 to 180 months. 1,853 of them run beyond a single year.

Does Australian Taxation Office have tenders open now?+

Yes u2014 3 tenders open for bidding as at 5 September 2026, the earliest closing 7 September 2026. Check the source notice for the current status before you rely on it.

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 September 2026.

Browse buyers by jurisdiction

See every agency in Federal, or compare against another government.

All Federal government buyers → | All government suppliers →

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