ESG30 March 2026

RSE audit: how to prepare in 2026

Internal ESG review, sustainability assurance and data reliability: what companies should prepare in 2026.

Samuel HAYOT
1 min read

Expert note: This article was written by our chartered accountancy firm. Information is current as of 2026. For a personalised review of your situation, contact us.

RSE audit: how to prepare in 2026

Updated March 2026 - An ESG audit may mean an internal readiness review or preparation for statutory sustainability assurance. In both cases, data quality is the core issue.

See also RSE indicators, digitalisation of SMEs and the role of an accountant.

What gets reviewed

  • governance and responsibilities;
  • documented calculation methods;
  • audit trail and supporting evidence;
  • consistency over time.

CTA : Prepare your ESG review

Conclusion

Good ESG assurance readiness comes from documented processes, not from late reporting efforts.

Need a readiness review before publication or assurance? Book an appointment with an expert

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Article written by Samuel HAYOT

Chartered Accountant, registered with the Institute of Chartered Accountants.

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