Don’t Be Deterred by a Lack of Hard Data, Says ACCA Guidance on Sustainability Reporting

Why It Matters

The guidance enables companies to meet emerging ESG disclosure requirements despite data gaps, accelerating credible sustainability reporting and stakeholder trust.

Key Takeaways

• Data gaps hinder reliable ESG disclosures.
• ACCA guide recommends using estimates and proxies.
• Emphasizes iterative improvement as data quality rises.
• Calls for integrated systems and value‑chain collaboration.
• Transparent assumptions maintain decision‑useful information.

Pulse Analysis

Sustainability reporting remains a moving target, with regulators worldwide demanding more granular ESG metrics while many firms still grapple with incomplete data. Traditional financial systems rarely capture carbon footprints, water usage, or supply‑chain impacts, creating a vacuum that can stall compliance and erode investor confidence. By acknowledging these data gaps, the ACCA’s new guide offers a pragmatic framework that aligns with the broader push for standardized ESG disclosures without penalising organisations for imperfect information.

The guide’s core recommendation is to treat estimates as a legitimate interim solution, leveraging third‑party benchmarks, proxy indicators, and financial proxies to fill missing pieces. It also outlines operational steps—training staff on data relevance, designing integrated collection processes, and embedding controls—to improve data quality over time. Collaboration across the value chain is highlighted, encouraging firms to share measurement practices and harmonise reporting methodologies, which can reduce duplication and enhance comparability across industries.

For businesses, adopting the ACCA’s approach translates into faster ESG reporting cycles, reduced audit friction, and clearer pathways to meet investor and regulator expectations. Iterative refinement of assumptions ensures that disclosures become increasingly robust as measurement technologies evolve. Ultimately, the guide helps firms turn sustainability reporting from a compliance burden into a strategic asset, supporting long‑term risk management and value creation in a market that rewards transparency.