Supplier · Consultancy & Legal, Public Safety & Security

William Buck Consulting (WA) Pty Ltd

Won in the last 12 months$660K▲ 33% on the year beforeValue won per quarter, last three years
Contracts on record30$5.0M in total
Running now0Latest win Sept 2026
Next contract endingDec 2026$64K · Department of Housing and Works
Biggest buyerDepartment of Water and Environmental Regulation15% of their value
22contractssince 2019
$4.3Mwon in totallatest Sept 2026
$99Ktypical contractmost $64K to $216K
$1.1Mlast 12 monthsup from $99K
5active now3 end within a year
Biggest buyerDepartment of Water and Environmental Regulation2 contracts · $724K · 17% of value

What they do

William Buck Consulting (WA) Pty Ltd supplies internal and external audit services, risk advisory, data validation audits, business case development and FBT review and submission services to government agencies.

Who buys from them

Its largest buyers are the Department of Water and Environmental Regulation, Audit Office of NSW, Office of the Director of Public Prosecutions for WA, Public Sector Commission and Justice and Community Safety Directorate. It has 16 buyers.

Contract size

Contracts usually fall between $64K and $216K, with a median of $99K. Its largest are external audit services for NSW state entities at $716K, internal audit services for ODPP WA at $680K and internal audit services for the Department of Water and Environmental Regulation at $508K.

Recent activity

In the last 12 months there were 4 contracts worth $1.1M. Of 5 active contracts, 3 end within 12 months, the soonest in Dec 2026.

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

Who they win it from

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

Department of Water and Environmental Regulation is their biggest buyer at 15% of value, across 5 buyers shown.

Coming up

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

Contracts ending in the next three years2 contracts · $250K
Today20282029

The next one ends December 2026 at Department of Housing and Works.

About them

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

Also traded asWilliam Buck, WILLIAM BUCK, William Buck Consulting (WA) Pty Ltd

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