Buyer’s Guide: Sustainability Services For Investors (2026)

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Executive Summary

Investors are facing compounding financial, geopolitical, social and environmental pressures, increasing sustainability-related value at risk across their portfolios. As a result, they are turning to services that support ESG and sustainability strategy, regulatory compliance, risk management, value creation and decision-making across the investment life cycle. This report defines the market for sustainability services for investors, and details providers that have a range of capabilities designed for investors. The analysis draws on provider questionnaires, Verdantix research and publicly available vendor materials. Prospective buyers can use the insights in this report to compare providers based on sector and asset-class expertise, digital and AI capabilities, and alignment with their firm’s investment objectives and service requirements.
Summary for decision-makers
The Verdantix Buyer’s Guide to sustainability services for investors
Defining sustainability services for investors
Investor interest in sustainability is growing, driving demand for services
Key criteria to evaluate when selecting a suitable provider
Selection criteria for the 2026 sustainability services for investors Buyer’s Guide
Anthesis integrates sustainability expertise and digital tools across the investment life cycle
Capgemini takes a technology-led approach to creating value for investors
Deloitte incorporates financial and sustainability specialisms into a variety of services for investors
dss+ helps investors address sustainability challenges across complex, asset-intensive portfolios
ERM brings specialist environmental, social and governance expertise to complex investor decisions
EY delivers large-scale AI-augmented engagements for global, institutional investors
KPMG integrates sustainability into investment strategies and portfolio value creation
PwC combines financial sector expertise with global scale to drive sustainability integration across large investor portfolios
Ramboll unites engineering and environmental expertise to help investors identify risk and unlock value
Tata Consultancy Services (TCS) supports investors with its combination of technology and sustainability expertise
Figure 1. Verdantix categories of sustainability services for investors
Figure 2. List of providers of sustainability services for investors
Figure 3. Anthesis overview
Figure 4. Capgemini overview
Figure 5. Deloitte overview
Figure 6. dss+ overview
Figure 7. ERM overview
Figure 8. EY overview
Figure 9. KPMG overview
Figure 10. PwC overview
Figure 11. Ramboll overview
Figure 12. TCS overview

About the Authors

Callum Millard

Callum Millard

Analyst

Callum is an Analyst at Verdantix, helping firms navigate the evolving ESG, sustainability, product innovation and product stewardship landscapes, to drive value creation and ...

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Jessica Pransky

Jessica Pransky

Senior Manager

Jessica is a Senior Manager at Verdantix, specializing in providing insights to sustainability leaders and analysing ESG and sustainability reporting software. She advises tec...

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