Glossary term
Cluster B · B2
Tier 1
Group 1 entity
Definition
A Group 1 entity is in the first cohort captured by Australia’s mandatory climate reporting regime and reports for annual reporting periods commencing on or after 1 January 2025. An entity is Group 1 if it meets two of three thresholds: consolidated revenue of $500 million or more, consolidated gross assets of $1 billion or more, or 500 or more employees.
Corporations Act 2001
· section 292A ·
In force
On this page
In practice
The size test is not the only route into Group 1. An entity registered under the National Greenhouse and Energy Reporting Act that is above the publication threshold in section 13(1)(a) of that Act is Group 1 regardless of its revenue, assets or headcount. That catches emissions-intensive operations that are not large in financial terms.
The gateway condition is often missed. Section 292A only applies to an entity that is already required to prepare a financial report under Chapter 2M. If you do not lodge a financial report, you do not lodge a sustainability report, however large you are.
What the assurer does with it
Group determination sits in engagement acceptance, because under ASSA 5010 the reporting year counted from the entity’s own first reporting period sets what is assured and at what level. The assurer asks for the threshold calculation agreed to the audited consolidated financial statements, and separately asks whether the entity or any controlled entity is a registered NGER corporation. They reject a Group 1 determination reached on the size test alone where a NGER registration exists and has not been assessed against the section 13(1)(a) publication threshold.
Timing and relief
For a 30 June year end, a Group 1 entity’s first reporting period is the year commencing 1 July 2025 and ending 30 June 2026. For a 31 December year end, it is the year ended 31 December 2025.
Sources
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2
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National Greenhouse and Energy Reporting Act 2007 (Cth)
Federal Register of Legislation
4
ASSA 5010 Timeline for Audits and Reviews of Information in Sustainability Reports under the Corporations Act 2001
AUASB
Review status
Review required
Last reviewed
15 September 2026
Editorial pass, unsigned
Reviewer required
Corporate lawyer or registered company auditor
Next scheduled review
1 July 2027
Part of
Cluster B, Regulation, capture and thresholds / Regulation, capture and timing
26 terms on who has to report, when their first report is due, and what the regime is built on.
Related terms
The next cohort down, and the largest group of first-time reporters
The two-of-three tests behind the group determination
How to turn a group start date into an actual deadline
Related questions
What are the thresholds for Group 1, Group 2 and Group 3?
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Group 1 is two of $500 million revenue, $1 billion gross assets and 500 employees. Group 2 is two of $200 million, $500 million and 250 employees, and Group 3 is two of $50 million, $25 million and 100 employees. All figures are consolidated and you test them every year.
Our financial year ends 30 June. What is our first reporting period?
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Your first reporting period is the first financial year that begins on or after your group’s start date, so the test applies to the start of the year and not its end. With a 30 June balance date that is the year ending 30 June 2026 for Group 1, 30 June 2027 for Group 2 and 30 June 2028 for Group 3.
We report under NGER. Does that automatically capture us?
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It can. If you are a corporation registered under the NGER Act and your Scope 1 and Scope 2 emissions are at or above the 50,000 tonne CO2-e publication threshold, you are in Group 1. Every other registered NGER corporation sits in Group 2, regardless of size.
Other terms in this cluster
Group 1 entity