Supplier · Water & Sanitation, Infrastructure, Construction

Interflow

Last winOct 2025Nothing won in the last 12 monthsValue won per quarter, last three years
Contracts on record51$150M in total
Running now0Contracts still running
Next contract endingJune 2027$4.2M · SA Water Corporation
Biggest buyerBarwon Water43% of their value
43contractssince 2015
$148.6Mwon in totallatest Oct 2025
$1.1Mtypical contractmost $357K to $3.8M
$1.7Mlast 12 monthsdown from $18.8M
3active now1 ends within a year
Biggest buyerBarwon Water4 contracts · $64.4M · 43% of value

What they do

Interflow supplies water and sewer infrastructure works, including sewer relining, water main renewals, and construction of pressure and gravity sewer reticulation.

Who buys from them

Barwon Water is the largest buyer, followed by Yarra Valley Water and South East Water Corporation. It has 17 buyers.

Contract size

Contracts typically range from $357K to $3.8M, with a median of $1.1M. The largest are sewer rehabilitation for Barwon Water at $50M, major sewers relining for Barwon Water at $11.3M, and S1 Main Sewer rehabilitation for Queensland Urban Utilities at $10.6M.

Recent activity

In the last 12 months, 1 contract worth $1.7M was awarded. Of 3 active contracts, 1 ends within 12 months: Water Main Relay Metro Minor Framework for SA Water Corporation, ending Jun 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.

Who they win it from

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

Barwon Water is their biggest buyer at 43% of value, across 5 buyers shown.

Queensland Urban Utilities$11M7%
Other buyers$22M14%

Coming up

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

Contracts ending in the next three years1 contract · $4.2M
Today20282029

The next one ends June 2027 at SA Water Corporation.

Recompete radar

1 expiring in 12mo

Contracts nearing the end of their term. Some may go back out to tender when they expire.

About them

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

Also traded asInterflow, INTERFLOW, Interflow Pty Limited, INTERFLOW PTY LIMITED, Interflow Pty Ltd, INTERFLOW PTY LTD

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