Supplier · Infrastructure, Construction, Water & Sanitation

Complex Co. Pty Ltd

Won in the last 12 months$31M▼ 30% on the year beforeValue won per quarter, last three years
Contracts on record106$243M in total
Running now0Latest win Aug 2026
Next contract endingMay 2027$3.1M · Transport Canberra and City Services
Biggest buyerTransport Canberra and City Services27% of their value
93contractssince 2014
$187.6Mwon in totallatest June 2026
$632Ktypical contractmost $194K to $2M
$29.2Mlast 12 monthsup from $19.6M
8active now2 end within a year
Biggest buyerTransport Canberra and City Services59 contracts · $65.5M · 35% of value

What they do

Complex Co. Pty Ltd supplies civil construction and infrastructure works, including road, bridge, landscape and water projects, plus maintenance and project management services.

Who buys from them

Transport Canberra and City Services is the largest buyer with 59 contracts, followed by National Capital Authority with 8, and City Renewal Authority, Suburban Land Agency and Environment, Planning and Sustainable Development Directorate with 3, 3 and 4 contracts respectively. It has 15 buyers in total.

Transport Canberra and City ServicesCity Renewal AuthorityNational Capital AuthorityNational Gallery of AustraliaSuburban Land Agency

Contract size

Contracts typically range from $194K to $2M, with a median of $632K. The largest are Acton Waterfront Ngamawari Park at $25.3M for City Renewal Authority, Jacka Residential Estate Stage 1B at $19.8M for Suburban Land Agency, and Scrivener Dam O&M at $17.7M for National Capital Authority.

Recent activity

In the last 12 months there were 4 contracts worth $29.2M. 8 contracts are active, with 2 ending within 12 months: Civil Construction Panel for Transport Canberra and City Services at $3.1M ending May 2027, and Gungahlin Tennis Facility at $8.9M ending Aug 2027.

Built from awarded contracts on record

What they win

How much they win each year, the size of a typical contract, and every contract on record.

Contract history

Provision of Tree Watering and Ancillary Services in ACT by Complex Co. Pty LtdEnergy & Environment$241K29/01/2025Management of Contractor Panel by Complex Co. Pty Ltd for Infrastructure CanberraConsultancy & Legal$026/11/2024Construction of Southern Pathway Break at West Belconnen LandfillConstruction$6.2M23/07/2024Head Contractor for National Sculpture Garden Stages A-DConstruction$27.3M07/08/2026Specialist Roadworks for Roads and Crossings in Namadgi National Park awarded to Complex Co. Pty LtdInfrastructure$025/06/2026Pavement Rehabilitation Works at London Circuit by Complex Co. Pty LtdInfrastructure$298K26/05/2026Construction of Coombs to Weston Link Path and Bridge by Complex Co. Pty LtdInfrastructure$3.6M01/05/2026Design and Construction of Acton Waterfront Ngamawari ParkConstruction$25.3M14/11/2025Construction of Gungahlin Tennis Facility by Complex Co. Pty LtdConstruction$8.9M05/09/2025Lake Wall Remediation by National Capital AuthorityInfrastructure$868K01/07/2025

Who they win it from

Their biggest government buyers and how much of their work each one is.

Transport Canberra and City Services is their biggest buyer at 27% of value, across 5 buyers shown.

Transport Canberra and City Services$65M27%
City Renewal Authority$39M16%
National Capital Authority$32M13%
National Gallery of Australia$30M12%
Suburban Land Agency$30M12%
Other buyers$47M19%

Coming up

Contracts that end soon and may go back out to tender.

Contracts ending in the next three years2 contracts · $12M
Today20282029

The next one ends May 2027 at Transport Canberra and City Services.

About them

Company details, where they work and the names they trade under.

Also traded asComplex Civil Pty Ltd, COMPLEX CIVIL PTY LTD, Complex Co Pty Ltd, Complex Co. Pty Ltd, Complex Co. PTY LTD, COMPLEX CO PTY LTD, COMPLEX CO. PTY LTD, Complex Co. Pty Ltd (2730-NCT-001-02), Dale & Hitchcock Civil (2730-NCT-001-01)

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Open tenders that match their work

Design and Construction of Stormwater Drainage Upgrades – Baxter Road & Botany Lane, MascotCloses 11 DecWater & SanitationWater Sensitive Urban Design Rectification — Gateway, Broadmeadows & Sassafras Sunbury (Hume City Council)Closes 3 DecWater & SanitationActive Travel Upgrades on Sherbrooke Street, Ainslie — Civil Construction ContractorCloses 3 DecInfrastructureConstruction of Pedestrian‑Cyclist Refuge Island and Road Safety Improvements – Henry Lawson Drive, MilperraCloses 24 NovInfrastructureGatehouse and Associated Civil Works at University Drive Waste Facility – Bundaberg Regional Council (TEN/2798)Closes 17 NovConstructionNirimba Fields Stage 7 Civil and Landscape Construction – Defence Housing AustraliaCloses 19 NovConstructionCivil and Landscape Infrastructure for Muirhead North Stages 1B, 1C & 2, Lee Point NTCloses 8 JanInfrastructureDesign and Construction Phase Services — Multiple Locations, Canberra RegionCloses 1 DecConstructionDesign and Construction of Rail Bridge Walkway Improvements — Fremantle and Canning (Stokely)Closes 1 DecInfrastructureDrainage, Pavement and Signage Works – Macquarie Street (Windsor), Old Northern Road (Glenorie) & Galston Road Pedestrian Refuge ProjectCloses 7 DecInfrastructureDesign and Construct Russell Island Public Amenities, On-site Sewage Treatment and Community Space – 22 High StreetCloses 7 DecWater & SanitationLambert Road Stormwater Outfall Upgrade – Royston ParkCloses 17 NovWater & Sanitation

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