The week of 19–26 October 2026 brought 1,687 federal contract notices worth a combined $2.9 billion to AusTender — a figure driven by a handful of very large awards across Defence, the Australian Taxation Office, and Foreign Affairs. Here's what the data shows.
The Headline: ATO Goes Big on External Service Delivery
The Australian Taxation Office was the busiest agency by value this week, publishing at least four significant contracts totalling well over $1 billion. The largest is a $405.4 million award to PROBE OPERATIONS PTY LTD for the Provision of External Service Centre Services (CN4073574).
External service centres — contact centres that handle inbound taxpayer enquiries on behalf of the ATO — are a long-standing outsourcing arrangement for the agency, but this is a substantial commitment. Probe Operations, a contact centre specialist, takes the top spot among this week's contract winners by value when viewed as a single-contract award.
The ATO didn't stop there. A parallel Provision of External Service Centre Services (CN4066896) contract worth $79.2 million went to CONCENTRIX SERVICES PTY LTD, suggesting the ATO is running a multi-vendor model for this function — a common approach for managing volume risk across tax season peaks.
Also notable from the ATO this week:
- $297.8M to DATACOM SYSTEMS (AU) PTY LTD for Provision of End User Experience Services (CN4012992) — a significant managed IT services engagement covering the agency's desktop and end-user computing environment.
- $151.4M to Data #3 Limited for Microsoft Volume Sourcing Agreement (VSA) Licensing Solutions (CN4263957) — one of the larger Microsoft licensing deals published in the federal market this financial year.
- $36.2M to ACCENTURE AUSTRALIA PTY LIMITED for ICT Professional Services for Digital Identity Services (CN4284027), referencing RFQ046 — linking to the ongoing Digital Identity program that ATO leads on behalf of government.
Taken together, the ATO's week reads as a major refresh cycle across its external service delivery, IT infrastructure, and identity platforms.
Defence: Babcock and Lockheed Martin Retain Major Positions
The Department of Defence contributed two of the week's top-ten contracts. BABCOCK PTY LTD leads the weekly supplier table by total value at $514.3M across two contracts, anchored by a $514.1M award for Ground Support Equipment Asset Management Services (CN3514909). Ground support equipment (GSE) asset management is a technically complex, operationally critical function — Babcock has held a strong position in this segment of the Defence support market, and this award cements that further.
Lockheed Martin Australia (plain text — no supplier URL available in this dataset) secured $135.5M for Engineering Support Services (CN4126057), part of a broader pattern of US defence primes maintaining long-term engineering services relationships with Defence across platform sustainment programs.
DXC Technology Australia (plain text — no supplier URL in this dataset) added $94.3M for Support Services (CN4010340) — a category that, in Defence context, typically covers IT infrastructure and application management.
Foreign Affairs: Insurance and Software at Scale
Two contracts from the Department of Foreign Affairs and Trade – Australian Aid Program round out the top ten. CIGNA HEALTH CARE secured $133.8M for Insurance (CN4284104) — almost certainly international health insurance covering Australian staff and aid workers posted overseas, a consistent line item in DFAT's contracting profile. Data #3 Limited (appearing separately in the DFAT dataset) also received $88.0M for Software (CN4266492) through the Australian Aid Program — a significant software licensing arrangement in the aid delivery context.
Top Contracts at a Glance
| Contract | Supplier | Agency | Value |
|---|---|---|---|
| CN3514909 | Babcock Pty Ltd | Defence | $514.1M |
| CN4073574 | Probe Operations Pty Ltd | ATO | $405.4M |
| CN4012992 | Datacom Systems (AU) | ATO | $297.8M |
| CN4263957 | Data #3 Limited | ATO | $151.4M |
| CN4126057 | Lockheed Martin Australia | Defence | $135.5M |
| CN4284104 | Cigna Health Care | DFAT Aid | $133.8M |
| CN4010340 | DXC Technology Australia | Defence | $94.3M |
| CN4266492 | Data #3 Limited | DFAT Aid | $88.0M |
| CN4066896 | Concentrix Services Pty Ltd | ATO | $79.2M |
| CN4284027 | Accenture Australia | ATO | $36.2M |
What This Week Tells Us About FY27 Contracting Trends
A few patterns worth tracking as we move through H1 FY27:
The ATO is consolidating its vendor base around proven partners. The simultaneous publication of contact centre, end-user computing, Microsoft licensing, and digital identity contracts in a single week suggests a coordinated refresh rather than ad hoc procurement. Suppliers who hold panel positions with the ATO should be watching for related approach-to-market activity in adjacent categories.
Multi-vendor models are holding firm in high-volume service delivery. The Probe/Concentrix split on external service centres reflects a deliberate risk management strategy — and mirrors patterns seen across other high-transaction agencies. For suppliers, this means even large incumbents face partial competitive pressure at renewal.
Defence sustainment spending remains consistently large. Babcock's $514M GSE award and Lockheed Martin's $135M engineering services contract are a reminder that platform sustainment — not capital acquisition — drives much of Defence's day-to-day contracting volume. These are long-duration, relationship-intensive contracts that are difficult to displace.
Software licensing at scale is increasingly channelled through specialist resellers. Data #3's appearances across both the ATO and DFAT Aid datasets this week — totalling over $239M combined — underscore the pivotal role that licensing aggregators play in government ICT spend. Any vendor selling software into the Commonwealth should understand which resellers hold the key panel positions.
With the first half of FY27 now well underway, the volume and scale of contracts published this week suggest agencies are moving quickly to lock in major arrangements before the December holiday period slows procurement activity. Suppliers tracking renewal cycles and upcoming approach-to-market activity should be paying close attention to agency pipeline disclosures over the next 4–6 weeks.