Scaler x BIP.Verco Partnership
ESG Reporting, Assurance and Digital Enablement: From Compliance to Decision-Making
ESG Reporting, Assurance and Digital Enablement: From Compliance to Decision-Making
Sustainability information is becoming an operational aset.
In today's real estate and infrastructure markets, sustainability performance is no longer simply a reporting requirement or an investor expectation. ESG information is increasingly being used to support investment decisions, financing activities, asset management, risk management, and broader business strategy.
At the same time, sustainability reporting expectations continue to evolve.
Alongside voluntary frameworks such as GRESB, many organisations are preparing for increasingly formalised sustainability disclosure requirements, including CSRD and California’s SB 253. In parallel, voluntary frameworks such as the SBTi Corporate Net-Zero Standard v2 are raising assurance expectations around target setting and climate transition planning.
Combined with growing stakeholder scrutiny, these developments are driving a broader shift from annual reporting exercises towards more continuous ESG data management and governance.
As a result, organisations are being asked not only to report sustainability information, but to demonstrate that it is accurate, traceable, supported by evidence, and subject to appropriate controls.
The growing role of sustainability assurance
Independent sustainability assurance has become an important mechanism for building confidence in reported ESG information. However, assurance itself is evolving.
Historically, sustainability assurance often focused on validating individual metrics such as energy consumption, greenhouse gas emissions, water use, or waste generation.
Today, assurance is increasingly examining the broader reporting environment that produces those metrics, including data governance, internal controls, accountability structures, and audit trails.
This reflects a wider market shift: investors, lenders, regulators, and other stakeholders are not only interested in reported outcomes, but also in how information has been generated, managed, and maintained throughout the reporting cycle. Confidence in sustainability disclosures increasingly depends on the robustness of the systems and governance supporting the data.
Reporting maturity is changing assurance conversations
Every organisation's ESG reporting journey is different, and the value organisations seek from assurance often evolves alongside reporting maturity.
As reporting matures, organisations are changing how they view assurance. Rather than treating assurance as a final-stage validation exercise, many organisations are using assurance findings to strengthen governance, improve data management processes, and enhance the overall quality of decision-making.
For organisations seeking assurance for the first time, common challenges frequently include fragmented data sources, inconsistent methodologies, unclear ownership of information, and limited audit trails. Assurance can help organisations identify these issues and establish stronger foundations for future reporting.
For organisations that have completed several assurance cycles, the conversation often shifts from obtaining assurance to optimising the assurance process and the organisation’s operations – how to improve operational efficiency while improving data quality and overall confidence. Common questions include:
- How can we improve operational and assurance process efficiency without compromising data quality?
- Which controls should be strengthened to increase confidence in reported data?
- How can we obtain more reliable information from service providers and asset-level contributors?
- Can digital workflows improve traceability and reduce manual effort?
- How can assurance support operational improvements and wider sustainability reporting obligations?
In this environment, assurance leads broader discussions around data governance, reporting controls, and utilising the digitalisation of ESG reporting processes.
The digitalisation of ESG reporting
One of the most significant developments in recent years has been the rapid digitalisation of ESG reporting processes, including embedding Artificial Intelligence (AI) technology.
From a technology provider’s perspective, organisations are increasingly demanding more for ESG information by requiring systems capable of supporting governance and auditability throughout the reporting cycle.
The controls that assurance practitioners test are largely the same controls that modern reporting platforms are designed to support. These include:
- a complete audit trail from source data to reported figure;
- clear ownership of every data input and change;
- evidence and supporting documentation stored against the data it supports;
- consistent, versioned methodologies and conversion factors;
- a fixed dataset for each reporting period that cannot be silently altered; and
- one shared working environment for sustainability teams, property managers, fund managers, and assurance providers.
Many digital ESG reporting platforms are responding to these expectations. Scaler is one example of a platform designed to support auditability and assurance readiness through features such as audit trails, evidence management, version control, and data locking. Reported figures can be traced back through the calculations and conversion factors applied to the underlying asset, building unit, and meter level data. All changes, deletions and rollbacks are logged with user, timestamp, and reason. Data can be locked from a chosen date to match the reporting cycle, and generating a report fixes the dataset as it stood at that moment, with later corrections recorded against the locked version rather than overwriting it.
Working together in this way makes the assurance process more efficient for both sides. Assurance providers designated by the reporting client can start verification from a single, consistent dataset with evidence and calculation logic already attached. The reporting organisation spends less time responding to requests for reconciliations and supporting documents. More of the engagement can focus on where professional judgement adds value: methodology, risk assessment, and governance.
AI is also beginning to influence ESG reporting. Sustainability disclosers and platforms are exploring how AI can support activities such as data collection, anomaly detection, data validation, and narrative generation. However, the emergence of AI further reinforces, rather than reduces, the importance of governance, transparency, and professional oversight. Digital technologies do not replace governance, internal controls or professional judgement. Instead, when implemented effectively, they make those controls more visible, more consistent, and easier to evidence.
Looking ahead
As sustainability reporting continues to mature, the relationship between reporting, governance, assurance and technology is likely to become increasingly important.
What began as a compliance-driven reporting exercise is evolving into a strategic business capability. ESG information is increasingly informing investment decisions, financing activities, asset management and organisational performance. As the importance of this information grows, expectations around its quality, reliability and transparency will continue to increase.
The future of sustainability reporting is unlikely to be defined by reporting, assurance, or technology in isolation. It will largely be shaped by how effectively these disciplines work together.
Across the industry, we are seeing increasing collaboration between reporting professionals, assurance practitioners, and technology providers. While each organisation's reporting journey will differ, the direction of travel is clear: sustainability reporting is becoming more continuous, more data-driven, and more integrated into core business decision-making.
The organisations best positioned for this future are likely to be those that view ESG information not simply as a reporting requirement, but as a strategic asset supported by strong governance, effective assurance, and appropriate digital infrastructure. By bringing these elements together, organisations can build greater confidence in their reporting, improve operational efficiency, and create more decision-useful sustainability information for stakeholders.
About the Authors
This article has been developed collaboratively by BIP.Verco and Scaler, bringing together perspectives from sustainability assurance and digital ESG reporting.
Jing Wang
Head of Assurance
Luc van de Boom
CIO & Co-Founder
Scaler
Disclaimer: The views expressed in this article are intended to contribute to industry discussions on ESG reporting, assurance and digital enablement. References to specific technologies, approaches or platforms are provided for illustrative purposes only and should not be interpreted as an endorsement, recommendation or certification of any particular solution. Organisations should assess reporting systems, processes and assurance arrangements based on their own objectives, governance requirements and operational circumstances.