Navigating the Evolving ESG Landscape

Sustainability is becoming embedded throughout the investment lifecycle, influencing everything from due diligence and acquisition through to operational improvement and exit planning.

At the same time, organisations are facing an increasingly complex reporting landscape. New regulations, improved data requirements and growing stakeholder expectations mean ESG is no longer simply about publishing a sustainability report. It requires robust governance, credible data, clear communication and a genuine commitment to continuous improvement.

2026 is expected to be a defining year for ESG within private equity. While regulatory compliance will remain a priority, the firms that gain the greatest competitive advantage will be those that successfully integrate sustainability into investment strategy and value creation.

Here are four of the biggest ESG trends set to shape the private equity landscape.

1. A New Era of ESG Regulation and Transparency

The regulatory landscape surrounding ESG continues to develop at pace, placing greater emphasis on transparency, accountability and robust sustainability data.

Much of this change is being driven by European legislation, including the Corporate Sustainability Reporting Directive (CSRD) and the Corporate Sustainability Due Diligence Directive (CSDDD). While these regulations primarily apply to organisations operating within the EU, their influence extends far beyond European borders. As reporting expectations become embedded within global supply chains, many non-EU organisations are also being asked to provide more detailed ESG information to customers, investors and private equity firms.

The shift is significant. Organisations are moving away from simply reporting sustainability activities towards demonstrating how ESG risks and opportunities are identified, managed and embedded across the business.

For private equity firms, this means ESG due diligence must become considerably more comprehensive. Investors are increasingly expected to understand not only a company’s environmental performance, but also governance structures, labour practices, human rights considerations and supply chain resilience before investment decisions are made.

The quality of ESG data has also become increasingly important. Reliable, verifiable information enables firms to benchmark portfolio companies, identify improvement opportunities and provide investors with greater confidence in sustainability performance. Strong data management systems are no longer viewed as desirable,they are becoming essential.

Perhaps the biggest change is the growing integration of ESG into investment decision-making itself. Sustainability is no longer the sole responsibility of specialist ESG teams. Investment professionals, operational teams and senior leadership all need a clear understanding of how sustainability factors influence commercial performance, risk management and long-term value.

Private equity firms that invest in stronger ESG governance today will be better positioned to respond to future regulatory changes while creating more resilient portfolios.

2. ESG is Becoming a Powerful Driver of Commercial Value

One of the most significant developments in recent years has been the shift in how ESG is perceived across the investment community. Historically, sustainability initiatives were often viewed as compliance exercises or reputational considerations. Today, they are increasingly recognised as drivers of operational improvement, innovation and financial performance.

As organisations improve the quality of their ESG reporting and data collection, investors are gaining a clearer understanding of the commercial benefits that sustainability can deliver. Initiatives such as improving energy efficiency, reducing waste, strengthening governance or investing in employee wellbeing can all contribute to lower operating costs, improved resilience and stronger long-term growth. This evolution is changing the role ESG plays throughout the investment lifecycle.

Vendor Due Diligence (VDD) is becoming an increasingly valuable tool for demonstrating how sustainability contributes to business value. Rather than focusing solely on potential risks, ESG due diligence can now showcase opportunities for growth by evidencing measurable improvements in operational efficiency, carbon reduction, supply chain resilience and governance. For businesses preparing for investment or exit, this creates an opportunity to tell a much stronger commercial story.

Demonstrating a clear link between ESG initiatives and financial performance helps reassure potential buyers that sustainability has been embedded into the organisation rather than treated as a standalone project. Businesses that can evidence measurable progress often present a lower investment risk and are better positioned to attract ESG-conscious investors.

Alongside robust data, storytelling is becoming increasingly important.

Investors want more than performance metrics, they want to understand the journey behind them. Effective ESG reporting combines evidence with clear, authentic communication that explains why sustainability initiatives matter, how they have been implemented and the value they continue to create for employees, customers, communities and investors alike.

As sustainability reporting matures, organisations that combine credible data with compelling narratives will be better placed to differentiate themselves in an increasingly competitive investment market.

The firms leading the way are recognising that ESG certification is no longer simply about meeting regulatory expectations. It is becoming an integral part of creating long-term business value, strengthening investment performance and building organisations that are better prepared for the challenges and opportunities of the future.

3. Turning Decarbonisation Ambition into Action

If regulation is raising the bar for ESG, decarbonisation is where many private equity firms are being asked to prove they can deliver meaningful progress.

A growing number of firms have already set ambitious climate targets through frameworks such as the Science Based Targets initiative (SBTi). The challenge now is not setting the ambition, but translating it into practical action across diverse portfolios. That requires a much deeper understanding of emissions, costs, operational levers and the role each portfolio company can play in delivering against wider climate goals.

This is particularly important during the acquisition phase. As scrutiny around greenhouse gas inventories increases, investors need to understand not only a target company’s current emissions profile, but also the cost and complexity of reducing those emissions over time. Decarbonisation planning is therefore becoming a core part of investment analysis rather than an afterthought once a deal has completed.

The responsibility also extends well beyond the ESG team. Deal teams, operating partners and portfolio managers all need to be equipped to assess the financial implications of decarbonisation at every stage of the investment cycle. That includes understanding where emissions reductions can create value, where capital expenditure may be required and how climate-related risks could affect future performance.

Under the CSDDD, this level of understanding is expected to become even more important once the Directive is transposed into member states by July 2026. Private equity firms will need to demonstrate that sustainability considerations are being embedded into decision-making in a more structured and consistent way.

A successful decarbonisation strategy typically includes three key elements.

First, targeted ESG due diligence should be used to identify the most material decarbonisation risks and opportunities before investment. This helps firms understand where emissions are concentrated, which operational areas offer the greatest potential for improvement and what level of investment may be needed to support change.

Second, decarbonisation must be integrated throughout the ownership period. That means supporting portfolio companies with realistic target setting, practical implementation plans and the right governance to track progress over time. It also means recognising that different businesses will move at different speeds depending on their sector, size and operational maturity.

Third, firms need to be able to communicate progress clearly at exit. Buyers increasingly want evidence that climate-related risks have been managed and that decarbonisation initiatives have strengthened the business rather than simply adding cost. A credible decarbonisation story can therefore support valuation, reduce perceived risk and help differentiate a portfolio company in a competitive market.

In short, decarbonisation is no longer just about setting targets. It is about building the capability to deliver them in a way that supports commercial performance and long-term resilience.

4. Nature and Biodiversity Are Rising Up the Agenda

Alongside climate, nature is rapidly becoming one of the most important ESG issues for private equity firms to understand.

Nature loss and biodiversity decline, driven by human activity and climate change, are creating material risks for businesses across almost every sector. Around half of the world’s GDP,approximately $58 trillion,is moderately or highly dependent on nature, which means the consequences of ecosystem degradation are increasingly difficult to ignore.

As awareness grows, so too does the pressure on investors to understand how companies depend on nature, how they impact it and what they are doing to manage those dependencies and impacts responsibly. Reporting frameworks such as the Taskforce on Nature-related Financial Disclosures (TNFD) and the CSRD are helping to bring this issue into sharper focus. For private equity firms, this is likely to influence investment decision-making in several ways.

Nature due diligence is becoming more common, with firms beginning to screen for biodiversity and ecosystem-related risks as part of broader ESG assessments. This helps investors identify where nature-related issues could affect operations, supply chains, regulatory exposure or long-term asset value.

Double materiality assessments are also becoming increasingly relevant. These assessments help organisations understand not only how nature-related issues affect the business, but also how the business affects nature. As CSRD reporting thresholds continue to evolve, this broader perspective is likely to become a more important part of ESG analysis.

Beyond assessment, firms will also need to think about mitigation. That includes developing nature strategies, setting relevant KPIs and identifying initiatives that support nature-positive outcomes. In some cases, this may involve financial mechanisms or investment structures that actively contribute to restoration, conservation or more sustainable land and resource use.

The momentum behind nature-related reporting is already building. As of October 2024, more than 500 organisations managing $17.7 trillion in assets had committed to TNFD-aligned risk management and corporate reporting. Leading private equity firms are increasingly following, with many already planning to align reporting to TNFD and integrate nature considerations into every stage of the investment cycle, including due diligence.

What is the TNFD?

The TNFD is a global initiative that provides organisations with a framework for identifying, assessing and disclosing nature-related dependencies, impacts, risks and opportunities. Its aim is to help shift financial support away from nature-negative activities and towards nature-positive outcomes.

The framework is built around the same four pillars as the Taskforce on Climate-related Financial Disclosures (TCFD): Governance, Strategy, Risk & Impact Management, and Metrics & Targets. This makes it easier for organisations already familiar with climate reporting to extend their thinking to nature in a structured and consistent way.

For private equity firms, the TNFD offers a practical route to better understand nature-related risk and opportunity, while also strengthening the quality and credibility of ESG reporting.

Looking ahead, the firms that succeed will be those that move beyond broad commitments and take a proactive, data-led approach to sustainability. That means embedding ESG into due diligence, ownership and exit planning, strengthening decarbonisation strategies, and paying closer attention to emerging issues such as nature and biodiversity.

At AG Impact, we help organisations turn ESG ambition into practical action. From ESG strategy development and materiality assessments to reporting, stakeholder communications and value creation narratives, we work with private equity firms and portfolio companies to build credible, commercially focused ESG programmes that stand up to scrutiny and support long-term growth. Whether you need help navigating regulation, improving data quality or telling a stronger ESG story, AG Impact can provide the insight and support needed to make sustainability a genuine driver of business value.

Ways to Work With Us

•  Get in touch to explore how AG Impact can support your ESG journey. 
• Find out more about our ESG strategy services or book a free discovery call with our Impact Director, Debbie Thackray here 
• We also now offer Power Hours with AG Impact , a unique opportunity to access one-to-one, focused support from our experts – enabling you to explore the most relevant ESG certification options for your business in an accessible and cost effective way.