The week ending 26 October 2026 delivered one of the heavier disclosure periods of FY27's first half, with 1,525 contracts totalling $2.8 billion hitting the federal register. The headline story isn't Defence — it's the Australian Taxation Office, which accounted for five of the ten largest contracts by value and emerged as the most active major spender of the week.
ATO Goes on a $1B Spending Run
The ATO published a remarkable cluster of high-value contracts this week, collectively worth just over $1 billion across five awards. The largest was a $405.4 million engagement with PROBE OPERATIONS PTY LTD for the Provision of External Service Centre Services — effectively the outsourced contact centre operations that handle millions of taxpayer interactions each year. It's a substantial mandate, and Probe Operations was not the only service centre provider awarded this week: CONCENTRIX SERVICES PTY LTD picked up a parallel Provision of External Service Centre Services contract worth $79.2 million, suggesting the ATO is running a multi-vendor model across its service centre function.
Beyond the contact centre spend, the ATO also locked in:
- $297.8M to DATACOM SYSTEMS (AU) PTY LTD for the Provision of End User Experience Services — covering the desktop, device, and workplace technology stack for ATO staff.
- $151.4M to Data #3 Limited for a Microsoft Volume Sourcing Agreement (VSA) Licensing Solutions deal, cementing Microsoft's position as the ATO's core productivity platform.
- $36.2M to ACCENTURE AUSTRALIA PTY LIMITED for ICT Professional Services for Digital Identity Services (RFQ046), a contract that signals continued investment in the government's digital identity infrastructure.
Taken together, the ATO's week reads like a deliberate portfolio refresh — service delivery, end-user technology, licensing, and identity services all renewed or extended in a single disclosure window.
Defence: Steady but Not Quiet
The Department of Defence contributed three contracts to the top ten, anchored by BABCOCK PTY LTD's $514.1 million award for Ground Support Equipment Asset Management Services. Babcock was the single largest supplier by total value this week at $514.3M across two contracts, reinforcing its position as a primary maintenance and asset management partner for Defence's aviation and logistics fleet.
Lockheed Martin Australia picked up $135.5M for Engineering Support Services, while DXC Technology Australia secured $94.3M for Support Services — the latter likely covering enterprise IT infrastructure for Defence's operational systems.
DFAT's Quiet $221M Week
The Department of Foreign Affairs and Trade — specifically its Australian Aid Program — published two notable contracts that collectively add up to $221.8 million but attracted less attention than the Defence and ATO awards.
The larger of the two was a $133.8M insurance contract awarded to CIGNA HEALTH CARE for what appears to be health and travel coverage arrangements under the aid program. The second was an $88.0M software deal, also flowing through the Aid Program arm, awarded to Data #3 Limited — the same supplier that won the ATO's Microsoft licensing deal this week, making it a strong week for the Queensland-headquartered reseller.
Top Contracts at a Glance
| Contract | Supplier | Agency | Value |
|---|---|---|---|
| Ground Support Equipment Asset Management | Babcock Pty Ltd | Defence | $514.1M |
| External Service Centre Services | Probe Operations Pty Ltd | ATO | $405.4M |
| End User Experience Services | Datacom Systems (AU) | ATO | $297.8M |
| Microsoft VSA Licensing Solutions | Data #3 Limited | ATO | $151.4M |
| Engineering Support Services | Lockheed Martin Australia | Defence | $135.5M |
| Insurance | Cigna Health Care | DFAT Aid Program | $133.8M |
| Support Services | DXC Technology Australia | Defence | $94.3M |
| Software | Data #3 Limited | DFAT Aid Program | $88.0M |
| External Service Centre Services | Concentrix Services | ATO | $79.2M |
| ICT Professional Services – Digital Identity | Accenture Australia | ATO | $36.2M |
Supplier Leaderboard
Looking at total value secured this week, the rankings tell an interesting story about market concentration:
- Babcock Pty Ltd — $514.3M (2 contracts)
- Probe Operations Pty Ltd — $405.4M (1 contract)
- Datacom Systems (AU) Pty Ltd — $297.8M (1 contract)
- Data #3 Limited — $151.4M (1 contract, plus $88M via DFAT)
- Lockheed Martin Australia — $135.7M (2 contracts)
- Cigna Health Care — $133.8M (1 contract)
- DXC Technology Australia — $94.3M (1 contract)
- Concentrix Services — $79.2M (1 contract)
- Accenture Australia — $69.6M (2 contracts)
The top ten suppliers by value captured approximately $1.97 billion of the week's $2.8 billion total — around 70 cents in every dollar flowing to fewer than ten firms. That kind of concentration is fairly typical in high-value weeks dominated by multi-year enterprise and defence contracts, where smaller suppliers win on volume rather than individual contract size.
What to Watch
The ATO's decision to run parallel external service centre contracts through both Probe Operations and Concentrix is worth monitoring. Multi-vendor contact centre arrangements can reflect a deliberate redundancy strategy, or they may indicate that different contracts cover distinct taxpayer service streams. Either way, the combined $484.6M committed to this function this week suggests the ATO is planning for a long runway of outsourced service delivery.
For suppliers tracking Defence opportunities, Babcock's ground support award and Lockheed Martin's engineering services contract both point to sustained appetite for long-term asset and engineering partnerships — areas where incumbency matters and contract durations tend to run five years or more.
With FY27's first half well underway, the pace of high-value disclosures shows no sign of slowing. Next week's register will be worth watching for follow-on digital identity contracts, given Accenture's fresh mandate at the ATO and the federal government's continued push to consolidate digital credential infrastructure across agencies.