Australian Taxation Office
Federal GovernmentNot Yet ReviewedOutsourcing Summary
Based on AusTender records and public reporting.
Outsourcing Vendors
8
Total Contracts
8
Work Performed In
Via outsourcing vendors
In Plain English
- Australian Taxation Office has 8 outsourcing vendor relationships recorded on AusTender.
- Serco — on panel (AusTender 2007-2025).
- Leidos ($200M) — Confirmed: end user computing + ESMC contracts. Part of ~$200M/year combined (iTnews).
- IBM — on panel (AusTender 2007-2025).
- Accenture ($211M) — Confirmed: $100M+ PCEHR infrastructure + $111M data warehousing (iTnews).
- Deloitte — on panel (AusTender 2007-2025).
- EY — on panel (AusTender 2007-2025).
- PwC — on panel (AusTender 2007-2025).
- DXC Technology ($2.5B) — Centralised Computing. Started at $738M, ballooned to $2.5B+ through 69 amendments.
Based on data from public sources at the dates reported. Figures may not reflect current headcount. See sources below for full attribution.
The Story
- 2008The ATO pioneered government contact centre outsourcing, contracting Serco (later acquired by Excelior). This set a trend for other departments to follow. [Matchboard]
- 2023The ATO extended its IT megadeals with DXC Technology and Leidos by a combined $440 million. The DXC contract alone has grown from $738 million to over $2.5 billion over its lifetime. [iTnews]
- 2023The PwC tax scandal broke: senior PwC partners had been leaking confidential ATO tax reform policy to private sector clients to help them avoid paying tax. PwC Australia was forced to sell its government advisory business for AUD 1. [Wikipedia]
- 2024-25The ATO targeted a $31.9 million reduction in IT and analytics outsourcing as part of the Labor government's push to insource critical functions. [iTnews]
- 2025Under the Albanese Labor Government, ATO outsourcing has been "significantly wound back in favour of internal recruitment." [Matchboard]
All facts sourced from public reporting. No editorial commentary. Click source links to verify.
Consultancy Engagements
| Vendor | Type | Contract Value | Status |
|---|---|---|---|
| Serco | BPO | On panel | Confirmed |
| Leidos | Managed Services | $200M Confirmed: end user computing + ESMC contracts. Part of ~$200M/year combined (iTnews). | Confirmed |
| IBM | Managed Services | On panel | Confirmed |
| Accenture | Managed Services | $211M Confirmed: $100M+ PCEHR infrastructure + $111M data warehousing (iTnews). | Confirmed |
| Deloitte | Managed Services | On panel | Confirmed |
| EY | Managed Services | On panel | Confirmed |
| PwC | Consulting | On panel | Confirmed |
| DXC Technology | Managed Services | $2.5B Centralised Computing. Started at $738M, ballooned to $2.5B+ through 69 amendments. | Confirmed |
What Public Sources Say
All information below is sourced from publicly available documents and reporting. Excerpts are direct quotes. Click source links to verify.
Other
AusTender Contract Data (2007-2025)“All Commonwealth Government contracts over $10,000 published on AusTender since 1 July 2007.”
News
List of Australian Companies Outsourcing Contact Centres - Matchboard 2025“IAG (8.5 million customers) outsources at least part of their contact centre in 2025.”
News
ATO extends IT megadeals with DXC and Leidos by $440M - iTnews“The ATO extended its Centralised Computing services agreement with DXC. The deal has grown from $738 million to over $2.5 billion over its life.”
News
PwC tax scandal - Wikipedia“Senior PwC partners exploited highly confidential ATO tax reform information to advise private sector clients on how to avoid paying tax. PwC Australia forced to sell its government advisory business for AUD 1.”
News
ATO readies massive IT outsourcing reset - iTnews“Centralised computing — the largest of the three deals — is held by DXC under a 13-year, $2.1 billion contract.”
News
ATO prepares to market test its biggest IT outsourcing deals - iTnews“The end user computing and ESMC contracts are held by Leidos. Collectively worth around $200 million each year.”
News
Union hits out at proposed offshoring of ATO test and dev - iTnews“Accenture has been paid more than $100 million for PCEHR infrastructure support, and another $111 million for data warehousing.”