Federal · Award history
National Capital Authority — contracts awarded and suppliers
AskTender holds 613 contract awards published by National Capital Authority, spanning July 2021 to September 2026. Together they are worth $473.2M. The named suppliers, contract values and award dates are all below. Contracts here typically run about 12 months. 1 tender is open right now — see below.
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National Capital Authority at a glance
613
contracts awarded
$473.2M
total contract value
297
different suppliers used
July 2021 → September 2026
award history covered
Median contract value is $60k; the largest single award is $165.8M.
Tenders currently open from National Capital Authority
National Capital Authority has 1 tender open for bidding. Unlike the award history below, these have not been decided yet.
| Tender | Closes | Value | Source |
|---|---|---|---|
| Scrivener Dam Independent Technical Advisor - 2026-2029 | 1 October 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 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 |
| 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. DATA 3 GROUP | 9 | $3.0M |
| mark neilsen pty ltd trading as set square productions | 1 | $2.8M |
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 → |
| Surface Upgrades for Asphalt Roads (Heavy Patching) | $5.8M | 19 March 2024 | notice → |
| Surface Upgrades for Asphalt Roads (Heavy Patching) | $5.8M | 19 March 2024 | notice → |
| Principals Representative Commonwealth Avenue Bridge renewal | $5.8M | 17 March 2024 | notice → |
| ICON Water supply of Potable Water Expenditure 2022-27 FY | $5.5M | 13 September 2022 | notice → |
| Civil Works - Surface Upgrades Asphalt Roads (Heavy Patching) | $4.8M | 5 April 2023 | notice → |
| Engagement of Contractor for Heavy Patching | $4.2M | 25 May 2026 | notice → |
| Provision of ICT Managed Services | $4.1M | 7 August 2025 | notice → |
| Carillon Facade Remediation | $4.1M | 23 October 2023 | notice → |
| Design Services in relation to the Commonwealth Avenue Bridge Renewal Project. | $3.1M | 5 October 2022 | notice → |
| Civil Driainage Upgrades around the NCA estate | $3.0M | 2 December 2024 | notice → |
| Scrivener Dam - Dissipator Strengthening Project - Detailed | $3.0M | 11 October 2022 | notice → |
| NMVSICSA Public art delivery contractor | $2.8M | 25 August 2026 | notice → |
| Asphalt Paths, Carparks and Heavy Patching works FY 24/25 and FY25/26 | $2.6M | 21 January 2025 | notice → |
| External Hydraulic Services | $2.4M | 29 August 2021 | notice → |
| Legal Services in relation to the Commonwealth Avenue Bridge | $2.4M | 21 December 2021 | notice → |
| Kings Park St 2 - Construction of carpark, coach drop-off, access path to Blundells, SW channel works and close Wendouree Drive | $2.3M | 6 December 2021 | notice → |
| National Memorial for Victims and Survivors of Institutional Child Sexual Abuse – Landscape Head Contractor services | $2.1M | 25 August 2026 | 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 | 47 | $55.9M |
How long National Capital Authority contracts run
Of the 610 National Capital Authority contracts that publish both a start and an end date, the typical term is 12 months. The shortest runs 0 months and the longest 72 months. 268 of them run beyond a single year, so incumbents are locked in for some time once they win.
12
median months
0
shortest term
72
longest term
268
run over a year
Based on the 610 contracts with published start and end dates, out of 613 awards in total.
Find live Federal opportunities
Past awards tell you who wins. Open tenders tell you what to bid on next.
Categories National Capital Authority buys in
The wider market for each category — who else wins this work across Australia.
Frequently asked questions
Who are National Capital Authority's biggest suppliers?+
Across the 613 contracts we hold, the largest supplier by value is seymour whyte constructions pty ltd with 2 contracts worth $207.5M. In total 297 different suppliers have won work with National Capital Authority.
How much does National Capital Authority spend on contracts?+
The 613 awards we hold total $473.2M, covering July 2021 to September 2026. The median contract is $60k and the largest single award is $165.8M.
How long do National Capital Authority contracts run?+
Of the 610 contracts that publish both a start and an end date, the typical term is 12 months, ranging from 0 to 72 months. 268 of them run beyond a single year.
Does National Capital Authority have tenders open now?+
Yes u2014 1 tender open for bidding as at 5 September 2026, the earliest closing 1 October 2026. Check the source notice for the current status before you rely on it.
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 September 2026.
Other Federal government buyers
Agencies in the same jurisdiction as National Capital Authority, with their contract volumes on record. Worth checking if you are already qualified to supply here.
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Browse all government buyers → · Browse all government suppliers → · All award data →
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