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Public records, change-tracked

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Current reported value across change-tracked notices

$24,893,227,716.46
Δ
1230field changes preserved
Latest source record
124Changed contracts
1193Amendments tracked
1230Field-level events
Source: AusTender OCDS

Change feed

What changed?

Every published comparison links back to the supporting source releases. Collection is bounded and its latest interval counts are published on the data page.

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50 matching changes on page 1 of 25. 1230 published events in total

Filters and the filtered CSV cover all published events. Results are shown 50 per page.

Reported Value
CN4196951CN4196951-A1

Leasing and Rental of Property or Building

Reported contract value increased by $6,538,155.90 (+2.44%).

Before$268,051,750.00
After$274,589,905.90
Agency
Department of Industry, Science and Resources
Supplier
EVOLVE FM PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4123587CN4123587-A3

Cape Class Patrol Boats

Reported contract value increased by $199,980.17 (+0.11%).

Before$180,282,533.27
After$180,482,513.44
Agency
Department of Home Affairs
Supplier
AUSTAL SHIPS PTY LTD (AUD)
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4123587CN4123587-A2

Cape Class Patrol Boats

Reported contract value increased by $18,631,520.67 (+11.53%).

Before$161,651,012.60
After$180,282,533.27
Agency
Department of Home Affairs
Supplier
AUSTAL SHIPS PTY LTD (AUD)
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4123587CN4123587-A6

Cape Class Patrol Boats

Reported contract value increased by $193,761,338.15 (+52.03%).

Before$372,382,497.35
After$566,143,835.50
Agency
Department of Home Affairs
Supplier
AUSTAL SHIPS PTY LTD (AUD)
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4123587CN4123587-A1

Cape Class Patrol Boats

Reported contract value decreased by $1,598,336.80 (-0.98%).

Before$163,249,349.40
After$161,651,012.60
Agency
Department of Home Affairs
Supplier
AUSTAL SHIPS PTY LTD (AUD)
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4123587CN4123587-A4

Cape Class Patrol Boats

Reported contract value increased by $11,417,470.47 (+6.33%).

Before$180,482,513.44
After$191,899,983.91
Agency
Department of Home Affairs
Supplier
AUSTAL SHIPS PTY LTD (AUD)
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4123587CN4123587-A5

Cape Class Patrol Boats

Reported contract value increased by $180,482,513.44 (+94.05%).

Before$191,899,983.91
After$372,382,497.35
Agency
Department of Home Affairs
Supplier
AUSTAL SHIPS PTY LTD (AUD)
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4050683CN4050683-A1

Joint Air Battle Management System

Reported contract value increased by $20,183,614.98 (+3.23%).

Before$624,616,103.00
After$644,799,717.98
Agency
Department of Defence
Supplier
LOCKHEED MARTIN AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A4

Guided Missiles and Support Services

Reported contract value increased by $7,465,399.83 (+1.74%).

Before$428,033,640.63
After$435,499,040.46
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A7

Guided Missiles and Support Services

Reported contract value increased by $130,243,799.75 (+17.94%).

Before$726,178,553.78
After$856,422,353.53
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A8

Guided Missiles and Support Services

Reported contract value increased by $25,075,200.00 (+2.93%).

Before$856,422,353.53
After$881,497,553.53
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Supplier Name
CN3458010CN3458010-A2

Guided Missiles and Support Services

Supplier changed.

BeforeNATO SEASPARROW SURFACE MISSILE!SYSTEM PROJECT
AfterNATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A9

Guided Missiles and Support Services

Reported contract value increased by $27,101,276.16 (+3.07%).

Before$881,497,553.53
After$908,598,829.69
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A5

Guided Missiles and Support Services

Reported contract value increased by $145,663,663.83 (+33.45%).

Before$435,499,040.46
After$581,162,704.29
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A1

Guided Missiles and Support Services

Reported contract value increased by $12,643,796.32 (+9.01%).

Before$140,323,700.00
After$152,967,496.32
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A3

Guided Missiles and Support Services

Reported contract value increased by $201,507,232.67 (+88.96%).

Before$226,526,407.96
After$428,033,640.63
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A2

Guided Missiles and Support Services

Reported contract value increased by $73,558,911.64 (+48.09%).

Before$152,967,496.32
After$226,526,407.96
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Supplier Name
CN3458010CN3458010-A1

Guided Missiles and Support Services

Supplier changed.

BeforeNATO SEASPARROW SURFACE
AfterNATO SEASPARROW SURFACE MISSILE!SYSTEM PROJECT
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A6

Guided Missiles and Support Services

Reported contract value increased by $145,015,849.49 (+24.95%).

Before$581,162,704.29
After$726,178,553.78
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A11

Guided Missiles and Support Services

Reported contract value increased by $324,994,806.36 (+30.79%).

Before$1,055,686,210.41
After$1,380,681,016.77
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3458010CN3458010-A10

Guided Missiles and Support Services

Reported contract value increased by $147,087,380.72 (+16.19%).

Before$908,598,829.69
After$1,055,686,210.41
Agency
Department of Defence
Supplier
NATO SEASPARROW SURFACE MISSILE SYSTEM PROJECT
View timeline →Official record ↗OCDS JSON ↗
Supplier Name
CN4255613CN4255613-A1

Australian Milk Residue Analysis Survey 2026-2029

Supplier changed.

BeforeDAIRY FOOD SAFETY VICTORIA
AfterSAFE FOOD VICTORIA
Agency
Department of Agriculture, Fisheries and Forestry
Supplier
SAFE FOOD VICTORIA
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN4259878CN4259878-A1

Analytical Services

Reported contract value decreased by $38,775.00 (-28.85%).

Before$134,420.00
After$95,645.00
Agency
Department of Defence
Supplier
HASKONING AUSTRALIA PTY LIMITED T/A ROYAL HASKONING
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A3

Enterprise Support Services Agreement

Reported contract value increased by $121,777,501.40 (+42.09%).

Before$289,309,635.20
After$411,087,136.60
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A7

Enterprise Support Services Agreement

Reported contract value increased by $54,321,396.85 (+11.57%).

Before$469,613,191.86
After$523,934,588.71
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A9

Enterprise Support Services Agreement

Reported contract value increased by $12,262,692.72 (+2.28%).

Before$538,430,909.19
After$550,693,601.91
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A6

Enterprise Support Services Agreement

Reported contract value increased by $533,534.72 (+0.11%).

Before$469,079,657.14
After$469,613,191.86
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A4

Enterprise Support Services Agreement

Reported contract value increased by $54,835,829.45 (+13.34%).

Before$411,087,136.60
After$465,922,966.05
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A1

Enterprise Support Services Agreement

Reported contract value increased by $59,536,329.67 (+35.03%).

Before$169,956,934.40
After$229,493,264.07
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A10

Enterprise Support Services Agreement

Reported contract value increased by $64,269,453.83 (+11.67%).

Before$550,693,601.91
After$614,963,055.74
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A5

Enterprise Support Services Agreement

Reported contract value increased by $3,156,691.09 (+0.68%).

Before$465,922,966.05
After$469,079,657.14
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A11

Enterprise Support Services Agreement

Reported contract value increased by $70,225,989.09 (+11.42%).

Before$614,963,055.74
After$685,189,044.83
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A2

Enterprise Support Services Agreement

Reported contract value increased by $59,816,371.13 (+26.06%).

Before$229,493,264.07
After$289,309,635.20
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3635039CN3635039-A8

Enterprise Support Services Agreement

Reported contract value increased by $14,496,320.48 (+2.77%).

Before$523,934,588.71
After$538,430,909.19
Agency
Department of Defence
Supplier
DOWNER DEFENCE SERVICES PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3832198CN3832198-A2

Aircraft Support Services

Reported contract value increased by $8,632,184.27 (+10.00%).

Before$86,321,842.72
After$94,954,026.99
Agency
Department of Defence
Supplier
BAE SYSTEMS AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3832198CN3832198-A6

Aircraft Support Services

Reported contract value increased by $2,785,488.59 (+2.88%).

Before$96,555,221.49
After$99,340,710.08
Agency
Department of Defence
Supplier
BAE SYSTEMS AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3832198CN3832198-A8

Aircraft Support Services

Reported contract value increased by $5,938,397.91 (+3.15%).

Before$188,767,205.44
After$194,705,603.35
Agency
Department of Defence
Supplier
BAE SYSTEMS AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3832198CN3832198-A1

Aircraft Support Services

Reported contract value increased by $12,168,911.59 (+16.41%).

Before$74,152,931.13
After$86,321,842.72
Agency
Department of Defence
Supplier
BAE SYSTEMS AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3832198CN3832198-A7

Aircraft Support Services

Reported contract value increased by $89,426,495.36 (+90.02%).

Before$99,340,710.08
After$188,767,205.44
Agency
Department of Defence
Supplier
BAE SYSTEMS AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗
Reported Value
CN3832198CN3832198-A9

Aircraft Support Services

Reported contract value increased by $54,862,255.23 (+28.18%).

Before$194,705,603.35
After$249,567,858.58
Agency
Department of Defence
Supplier
BAE SYSTEMS AUSTRALIA PTY LTD
View timeline →Official record ↗OCDS JSON ↗

Profiles

Follow the pattern,
not just the headline.

Compare amendment activity by agency and supplier. Counts describe source records, not performance or conduct.

Agencies

Events
  1. 01
    Department of Defence77 changed contracts
    989
  2. 02
    Australian Competition and Consumer Commission1 changed contract
    47
  3. 03
    CSIRO4 changed contracts
    28
  4. 04
    Australian Electoral Commission3 changed contracts
    25

Suppliers

Events
  1. 01
    RAYTHEON AUSTRALIA PTY LTD$818,173,169.90 current reported value
    228
  2. 02
    THALES AUSTRALIA$2,966,873,424.46 current reported value
    159
  3. 03
    NORTHROP GRUMMAN AUSTRALIA PTY LIMITED$2,845,832,149.95 current reported value
    108
  4. 04
    Datacom Systems (AU) Pty Ltd$955,556,370.78 current reported value
    57
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ContractDelta identifies changes in publicly reported procurement records. A change is not evidence of misconduct. Contract amendments can result from legitimate changes in scope, timing, pricing, reporting, or data correction.

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