ESG Audit & Assurance Services Strengthen Trust, Compliance & Performance

Organisations worldwide are moving toward assured, audit-grade ESG reporting. CorpStage offers ESG audit and assurance services designed to validate your sustainability disclosures, reduce compliance risk, and build investor confidence across global frameworks including ISSB, CSRD, GRI, TCFD and regional GCC/APAC regulations.

Whether you’re preparing your first ESG report or seeking independent third-party verification, our team provides a rigorous, data-driven ESG audit backed by technology, sector expertise, and measurable business value.

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ESG Audit

Sustainability
Meets
Intelligence

Think Sustainability
Think CorpStage

Our ESG Journey

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ESG Audits to optimize your ESG journey
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Why ESG Audit Matters Now?

Challenges in Reliable ESG Reporting

ESG assurance is no longer optional.

  • Investors require verified ESG disclosures to assess risk, creditworthiness, and capital allocation.
  • Regulators are embedding ISSB S1/S2 and CSRD ESRS into national reporting regimes.
  • Supply chains demand verified Scope 1, 2, and 3 data from suppliers.
  • Boards now expect audit-grade sustainability governance.

An ESG audit ensures your organisation has:

  • Accurate, traceable ESG data
  • Validated metrics aligned with global standards
  • Lower exposure to compliance penalties
  • Stronger credibility with investors & stakeholders
  • A foundation for sustainable growth

What Is an ESG Audit?

An ESG audit is a systematic, independent review of an organisation’s environmental, social, and governance data, processes, controls, and disclosures.
It validates the accuracy, completeness, and reliability of sustainability reporting and ensures alignment with standards such as ISSB, GRI, CSRD, SASB, TCFD, and regional regulatory requirements in the GCC, ASEAN, EU, and APAC.

CorpStage ESG Audit Services
Comprehensive, Technology-Driven & Assurance-Ready

✔
Accurate
Every ESG metric is validated through evidence, automated anomaly detection, and audit-grade review workflows.
🛡
Assurance-Ready
Ensure full confidence in disclosures with robust internal controls, documentation, and verification trails.
🌍
Globally Aligned
Aligned with ISSB S1/S2, CSRD ESRS, GRI, SASB, TCFD and regional GCC/APAC sustainability frameworks.
📈
Financially Relevant
Connect ESG outcomes to revenue, margin, risk, capital, and growth using the ESG Business Value Framework™.
🤝
Investor-Credible
Strengthen investor and stakeholder trust with transparent, validated metrics and evidence-backed disclosures.
💻
Digitally Verifiable
AI-driven validation, data lineage tracking, and digital twin simulation ensure traceability and continuous assurance.
Scope

What We Audit – ESG & ISO Scope

CorpStage combines ESG and ISO-aligned review to give you a single, integrated view of sustainability performance, controls, and assurance readiness across Environmental, Social, Governance and management system domains.

E
Environmental (E) Audit
We review how your organisation measures, manages, and reports its environmental footprint.
  • GHG emissions (Scope 1, 2, and 3) and energy, water, waste performance.
  • Climate-risk assessments (physical & transition) and decarbonisation pathways.
  • Environmental management processes, roles, and internal controls.
ISO Integration: ISO 14001, ISO 50001, ISO 14064/14067.
S
Social (S) Audit
We examine how people, communities, and supply chains are incorporated into your ESG practices.
  • Labour practices, DEI metrics, human capital and community impact.
  • Occupational health & safety (OHS) performance and incident trends.
  • Supply chain social compliance and human-rights due diligence.
ISO Integration: ISO 45001, ISO 26000 (alignment and gap reviews).
G
Governance (G) Audit
We assess the governance structures and controls that underpin credible ESG reporting.
  • Board oversight, ESG governance frameworks, ethics and anti-corruption policies.
  • Risk management, internal controls, whistleblowing and escalation mechanisms.
  • Data governance and cybersecurity for ESG and sustainability information.
ISO Integration: ISO 37001, ISO 37301, ISO 27001 (for ESG data and systems).
ESG
Integrated ESG–ISO Audit
For organisations with existing ISO management systems, we align ESG reporting with your current certifications to reduce duplication and audit fatigue.
  • Mapping ISO processes to ESG disclosure and control requirements.
  • Identifying quick wins where ISO practices uplift ESG maturity.
  • Creating a unified control environment that supports ISSB, CSRD, GRI and lender expectations.
Outcome: One integrated picture of ESG, risk, and controls across the enterprise.
Our Approach

Technology-Enabled ESG Audit Methodology

CorpStage uses a structured, technology-supported ESG audit methodology that enhances data accuracy, ensures alignment with global standards, and streamlines your sustainability reporting.

Step 1
ESG Data Quality Review
Structured validation of your ESG dataset before audit testing begins.
What we check
  • Consistency of metrics
  • Correct emission factors
  • Completeness of disclosures
  • Accuracy of evidence files
  • Reporting boundary alignment
Outcome: A clean, consistent, audit-ready dataset.
Step 2
Framework Crosswalks
Manual & tool-supported mapping to global frameworks.
What we align with
  • ISSB S1/S2
  • CSRD ESRS
  • GRI Standards
  • SASB & TCFD
  • GCC/APAC rules
Outcome: Multi-framework compliance with no duplication.
Step 3
ESG Risk Assessment
Identify risks in metrics, controls, and Scope 3 data.
We identify
  • Emission calculation gaps
  • Weak internal controls
  • Supplier data gaps
  • Missing social/governance data
  • Inconsistent trends
Outcome: A clear risk profile before reporting.
Step 4
Documentation & Traceability
Strengthening audit trail & evidence workflows.
We reinforce
  • Source documents
  • Calculation methods
  • Evidence files
  • Governance workflows
Outcome: Strong assurance readiness.
Optional
Reporting Quality
Make ESG disclosures clearer, structured & investor-ready.
How we support
  • Narrative reviews
  • KPI benchmarking
  • Clarity improvements
  • Business linkage
Outcome: A more credible ESG report.