Assessment vs Assurance (BRSR Core)
Per SEBI Industry Standards on BRSR Core (Dec 2024), listed entities may opt for assessment or assurance — both third-party verification, different rigour.
Definition
Assessment and assurance are the two third-party verification routes available for BRSR Core attributes under the SEBI Industry Standards on Reporting of BRSR Core issued via Circular SEBI/HO/CFD/CFD-PoD-1/P/CIR/2024/177 dated 20 December 2024. The Industry Standards were developed by the Industry Standards Forum (ISF) — comprising ASSOCHAM, FICCI, and CII — in consultation with SEBI.
Listed entities subject to BRSR Core verification may opt for either assessment or assurance. Both deliver independent third-party verification of the BRSR Core attributes, but at different levels of rigour.
Side-by-side comparison
| Aspect | Assessment | Assurance (Reasonable) |
|---|---|---|
| Standard applied | ISF Industry Standards on BRSR Core | ISAE 3000 (Revised) for non-GHG attributes; ISAE 3410 for GHG attributes |
| Practitioner | Independent assessor (CA / CMA / CS / equivalent professional firm) | Independent assurance practitioner (typically a CA firm under ICAI’s framework) |
| Rigour level | Procedural — confirms compliance with the Industry Standards methodology | Higher — substantive testing, recalculation, vouching, sample testing |
| Opinion form | Compliance / non-compliance assessment per the Industry Standards | Positive opinion: “in our opinion, the BRSR Core attributes are, in all material respects, fairly stated” |
| Workpaper retention | Per the Industry Standards Forum framework | ICAI-prescribed seven years (for CA practitioners) |
| Cost (typical) | Lower (procedural verification, less substantive testing) | Higher (substantive procedures + workpaper documentation) |
Which route to choose
Both routes satisfy the SEBI BRSR Core verification requirement. The choice depends on:
- Audit-committee preference — many large listed entities default to reasonable assurance under ISAE 3000 / 3410 because their statutory audit committees are familiar with the IAASB framework.
- Stakeholder expectation — investors, ESG-rating agencies, and EU-customer due-diligence teams increasingly request reasonable-assurance opinions; assessment may not satisfy these external stakeholder asks.
- Cost — assessment is typically lower-cost than reasonable assurance.
- Future flexibility — reasonable assurance under ISAE 3000 / 3410 is the higher-rigour path and is generally accepted by all stakeholders. Starting with reasonable assurance and downgrading to assessment in future years is uncommon; starting with assessment and upgrading later is feasible if stakeholder expectations shift.
Related terms
- BRSR Core — what’s being verified
- Reasonable Assurance — the assurance level under ISAE 3000 / 3410
- ISAE 3410 — the IAASB standard for GHG-statement assurance
- BRSR Core Assurance service — Batchwise coordinates the assurance route