Here are top-rated sustainability / ESG reporting tools that are widely used or promoted for organisations operating in Australia, with a short note on strengths and typical use-cases so you can match a tool to your needs.

• IBM Envizi — enterprise ESG data management, emissions accounting and framework-ready reporting (now includes Australian Sustainability Reporting Standards (ASRS) support). Best for large organisations and property portfolios needing auditable carbon accounting, multi‑framework disclosures and integration with building ratings (NABERS, GRESB). (isw.net.au)

• FigBytes — integrated sustainability platform with built‑in reporting templates (GRI, etc.), data visualisation and strategy-to-disclosure workflows. Good for organisations wanting an easy report builder, data governance and stakeholder-facing dashboards. (FigBytes.com)

• Measurabl — market-leading sustainability data platform for real estate; strong for building-level data, benchmarking and integrations with Green Star (and other certification schemes). Recommended for real-estate owners, managers and investors active in Australia. (globenewswire.com)

• Greenstone (now part of Cority) — mature ESG reporting suite (investor-portal, supplier & corporate reporting) used by fund managers and enterprises to collect, benchmark and disclose emissions and investor ESG metrics. Good where private capital / portfolio reporting is needed. (Cority.com)

• Datamaran — text‑analytics and risk-discovery platform for disclosure benchmarking, materiality analysis and ongoing monitoring of regulatory/market disclosures. Useful for teams focused on materiality assessment, corporate disclosures and horizon-scanning. (prnewswire.com)

• (Other notable tools used in Australia) — Workiva (enterprise reporting and controls), Sphera/Enablon (enterprise EHS & sustainability), Measurabl (real‑estate focus — listed above), GaiaLens (AI-driven media/data screening for greenwashing and external validation). These are often chosen when you need specific strengths: financial-control workflows (Workiva), integrated EHS & sustainability operations (Sphera/Enablon/Cority), or external news/media verification (GaiaLens). (prnewswire.com)

Quick selection guidance

• If you need enterprise-grade emissions accounting plus ASRS/ESRS/CSRD readiness → consider Envizi or Sphera/Enablon. (isw.net.au)
• If you’re real‑estate focused (Green Star, NABERS, GRESB) → Measurabl or Envizi. (globenewswire.com)
• If you need investor/portfolio ESG workflows (private equity/funds) → Greenstone/Cority or Greenstone’s InvestorPortal. (Cority.com)
• If your priority is materiality/disclosure benchmarking and text analytics → Datamaran. (prnewswire.com)

If you want, I can:

• recommend 2–3 best matches based on your organisation size, industry and reporting goals; or
• produce a short vendor comparison table (features, typical price band, implementation time) for the top 4 tools above.