Federal Spending Explorer

Contract notice CN4228499 · Australian Taxation Office

Provision of Professional and Consulting Services

$1.6m whole-of-life value, after 1 amendment

+$1.1m (+258.8%) since first published at $432k

Supplier
TULLIUS PTY LTD ABN 30122231681
Agency
Australian Taxation Office
Procurement method
open tender
Term
2026-03-04 to 2027-06-30
Published
2026-03-26
Category (UNSPSC)
80111600
Kind of work
Consultancy (high confidence) AI-classified
Agency reference
5600004560

Worth a closer look

Value increased after award: +259% on first published value. Agencies must publish amendments that change a contract’s value. Large increases can mean the original scope or price was understated.

Common explanations: Additional work or an extended term agreed after award. Options in the original contract that were later taken up. A correction to a value entered wrongly.

Value by financial year

The total value spread evenly from start to end date. estimate: annualised

Financial yearEstimated amount
2025-26$381k
2026-27$1.2m

Published versions

Every version of this notice we have loaded. Source: AusTender OCDS API.

DateVersionValue
2026-03-26original notice$432k
2026-06-30amendment$1.6m