Federal · Award history

National Capital Authority — contracts awarded and suppliers

AskTender holds 605 contract awards published by National Capital Authority, spanning July 2021 to July 2026. Together they are worth $468.2M. The named suppliers, contract values and award dates are all below.

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National Capital Authority at a glance

605

contracts awarded

$468.2M

total contract value

294

different suppliers used

July 2021July 2026

award history covered

Median contract value is $61k; the largest single award is $165.8M.

Who supplies National Capital Authority?

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

Supplier Contracts Total value
seymour whyte constructions pty ltd 2 $207.5M
green by nature landscape services pty ltd 1 $41.0M
BGIS PTY LTD T/A 2 $29.7M
southern asphalt services pty ltd 5 $18.0M
Ecowise Services (Australia) Pty Ltd 17 $13.1M
woden contractors pty limited 1 $8.6M
monarch building services facilities management 4 $7.2M
Downer EDI Works Pty Ltd 2 $6.8M
ActewAGL Retail Pty Ltd 2 $6.6M
icon water limited 2 $6.5M
connellgriffin pty ltd 1 $5.8M
smec australia pty ltd 6 $4.7M
MINTER ELLISON LAWYERS 12 $4.7M
GHD Pty Ltd 11 $4.6M
brennan it pty ltd 1 $4.1M
DURATEC AUSTRALIA 1 $4.1M
CB Excavations Pty Ltd 4 $3.5M
capital maintenance solutions pty l 2 $3.1M
Cord Civil Pty Ltd 1 $3.0M
Data#3 Limited 9 $3.0M

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Largest contracts awarded by National Capital Authority

Contract Value Awarded Source
Head Contract, for Planning and Design phase one for Commonwealth Avenue bridge renewal project $165.8M 6 March 2025 notice →
Scrivener Dam DSP - Head Contractor $41.7M 25 November 2024 notice →
Provision of Open Space Management Services $41.0M 18 May 2026 notice →
Contract value for Maintenance and Capex $29.7M 24 July 2023 notice →
Procurement of Construction Contractor to deliver Stormwater Upgrades and Landscape Works for the National Rose Gardens $8.6M 13 May 2025 notice →
Lake Maintenance for Lake Burely Griffin $6.9M 19 September 2022 notice →
Electricity Supply Contract - Large usage services - ActewAGL - 2021-2024 $6.3M 14 July 2021 notice →
External electrical services $6.1M 7 September 2021 notice →

National Capital Authority contract activity by year

Year Contracts Value
2021 117 $43.0M
2022 157 $38.8M
2023 116 $65.2M
2024 88 $74.3M
2025 88 $195.9M
2026 39 $50.9M

Find live Federal opportunities

Past awards tell you who wins. Open tenders tell you what to bid on next.

Frequently asked questions

Who are National Capital Authority's biggest suppliers?+

Across the 605 contracts we hold, the largest supplier by value is seymour whyte constructions pty ltd with 2 contracts worth $207.5M. In total 294 different suppliers have won work with National Capital Authority.

How much does National Capital Authority spend on contracts?+

The 605 awards we hold total $468.2M, covering July 2021 to July 2026. The median contract is $61k and the largest single award is $165.8M.

How do I find National Capital Authority tenders before they close?+

Connect AskTender to ChatGPT or Claude and ask for open tenders from National Capital Authority. 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 National Capital Authority 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 National Capital Authority 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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