After helping produce one of Australia's first AASB S2 Climate Reports, for a ‘first-time’ Group 1 reporter, I've seen firsthand how it feels: a wave of regulatory pressure landing on an already full agenda, with no clear playbook and a lot riding on your first report. It feels daunting and unfamiliar. It’s not just another disclosure box to tick. It’s a new way of thinking about your business, your risks, and your evidence, delivered by regulators, not your board. 

Here’s the truth: this is complex. But it doesn’t need to be as hard as it seems.  

Here’s why.  

You already run a rigorous, evidence-driven financial reporting process. Climate reporting doesn’t need to reinvent that. It just needs to sit beside it.  

Most importantly, you don’t need to start from scratch. But you do need to start now.  

You'll produce a higher-quality report, face fewer last-minute surprises, have your evidence ready before the auditors come knocking, and be refining a report rather than building one from scratch under pressure.  

Here’s how.  

KSIB brings CFO‑grade discipline: governance, risk‑based materiality, and a clear process that aligns climate impacts with cash flows, strategy, and capital. Where needed, we leverage the right technology to turn messy data, spreadsheets, and fragmented systems into a controlled, auditable trail.  

One clear AASB S2 roadmap, turning reporting from a last-minute scramble into a repeatable, finance-grade process that becomes part of your rhythm.  

The 5 things every Group 2 and Group 3 entity needs to know right now. 

Turn climate impact information into finance‑grade reporting
AASB S2 sits alongside your financial report, with directors signing off and assurance providers reviewing disclosures from year one. This is your opportunity to apply the same rigour your finance team brings to the annual report, with clear, evidence‑based narratives that align with how the business actually works. 

1. Structure your emissions data for reporting success
   Even with transitional relief on Scope 3, Scope 1 and 2 data needs a solid process for accurate data, mapped to the GHG Protocol, reconciled with any NGER overlaps, expressed in CO₂e. The data often already exists; it just needs to be pulled together and structured for disclosure. Starting now means you can build clean, auditable emissions reporting into your existing processes. 

   Action: Start stress-testing your emissions data now. Don't assume it's ready. 

2. Build a strong, cross‑functional materiality process
   AASB S2 gives you a chance to systematically identify climate‑related risks and opportunities that affect cash flows, access to finance, and cost of capital. By bringing together operations, procurement, finance, legal, and strategy, you can build a shared understanding of where climate change genuinely intersects with your business, and where it doesn’t, so that disclosures are sharp, focused, and credible. 

   Action: Map who across your business needs to be involved in materiality assessment and get them in the room early. 

3. Showcase governance that actually works
   The standard lets you demonstrate how your board oversees climate risks and opportunities, what skills and competencies exist, and how climate feeds into strategy and decision‑making. If your governance is real and functioning, this becomes a clear story rather than a gap. Using this as a moment to strengthen and document governance structures can turn a disclosure requirement into a competitive advantage. 

   Action: Start formalising your climate governance structure now, while you still have time to evidence them. 

4. Leverage the right technology to simplify the work
   The right tools help you collect, calculate, and control data, assumptions, and evidence from day one, reducing reliance on spreadsheets and email threads. Technology‑enabled reporting makes assurance smoother, faster, and more cost‑effective, and gives you a structured, repeatable process you can build on year after year. 

   Action: Consider whether your current systems are fit for purpose for mandatory climate reporting. 

How I can help

I know what works, what takes longer than expected, and how to help you build a process that holds up under scrutiny.  

Whether you're just starting to orient yourself or you're ready to get into the detail, I'd love to talk.  

Get in touch → sharon@ksib.com.au

Group 2 entities report from 1 July 2026. Group 3 entities report from 1 July 2027. The time to prepare is now.