ATO's Accenture contract grows $30 million through 24 amendments in 17 months
The Australian Taxation Office's $135.5 million Accenture contract swelled to $165.2 million through 24 separate variations between June 2024 and September 2026.
When the Australian Taxation Office awarded its major IT contract to Accenture in June 2024, the deal was worth $135.5 million. Over the next 17 months, the Tax Office approved 24 separate amendments that drove the total up by nearly $30 million to $165.2 million.
The amendments include security upgrades and technology modernisation, the ATO said. The procurement process suffered from delays: it took 748 days from the close of the request for tender to the formal execution of the contract.
During negotiations, an independent probity review flagged an unmanaged conflict of interest: the ATO's former chief information officer, who served as procurement delegate, held shares in Accenture while the company was shortlisted.
The CIO failed to declare the financial interest for the first year. Accenture accounts for about 7.7 per cent of the ATO's total procurement spending.
- $135.5 million
- Initial contract value
- $165.2 million
- Final contract value
- $30 million
- Cost increase
- 24 separate variations
- Contract amendments
Why it mattersRecurring contract amendments signal weak initial planning and leave taxpayers exposed to spiralling costs on critical government systems.
AustraliaThis pattern of cost blowouts on government IT contracts directly affects tax office services and sets a costly precedent across Australian public agencies.
✓ Claims checked against the source. checked 1 h ago
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