- LEO reduces reporting burdens by leveraging AI-powered pre-fill capabilities and access to 200,000+ existing disclosures.
- Supports global compliance through modular templates interoperable with ISSB, GRI, and other evolving frameworks.
- Adopted by major institutions like ING, Lloyds, and NatWest to strengthen risk management, supply chain resilience, and client engagement.
ESG Book, in partnership with Boston Consulting Group (BCG), has launched LEO, a cloud-native platform designed to simplify and accelerate sustainability disclosures for corporates and financial institutions. Built with Google Cloud, LEO is a direct response to rising demands for transparent, reliable, and standardised ESG reporting.
“As regulatory requirements evolve, managing risks and leveraging sustainability as an economic driver remains crucial for corporates and financial institutions,” said Justin Fitzpatrick, CEO of ESG Book. “LEO cuts through complexity, simplifies reporting, and helps businesses focus on what matters—using data to drive efficiency, reduce costs, and create long-term value. Through our partnership with BCG and in collaboration with Google Cloud, we’re making data sharing smarter, faster, and more cost-effective.”
LEO is underpinned by ESG Book’s platform and BCG’s Climate and Sustainability Data Template, providing users with a modular, framework-neutral reporting solution. It integrates seamlessly with global standards including the International Sustainability Standards Board (ISSB) and the Global Reporting Initiative (GRI), and supports use cases from regulatory compliance and risk management to opportunity creation.
“With more than 30 jurisdictions—representing approximately 60 percent of global GDP—progressing towards ISSB standards, it’s imperative that services and tools integrate these frameworks,” said Andrew Brenner, Director of Client Integration, IFRS. “We welcome the development of the LEO platform, which aims to support the disclosure process.”
For corporates, LEO offers:
- Smart pre-fill capabilities pulling from 200,000+ existing disclosures.
- Streamlined data mapping across multiple frameworks and stakeholders.
- Secure data management and sharing without lengthy questionnaires.
For financial institutions, LEO enables:
- Standardised, automated data collection from clients and vendors.
- Easier compliance with EBA Pillar 3 and Basel III.
- Enhanced supplier engagement and data response rates for supply chain resilience.
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“Businesses need to focus on driving sustainable growth, efficiency, and resilience rather than being burdened with complex reporting and disclosure requirements,” said Justin Keeble, Managing Director of Global Sustainability for Google Cloud. “Cloud and AI are at the heart of LEO and help to make reporting easier and more efficient, allowing companies to focus on delivering performance.”
Roy Choudhury, Managing Director and Senior Partner at BCG, added: “As the demand for reliable and comparable climate-related information continues to grow, a standardised data request and reporting template is essential. Our collaboration on the LEO platform leverages BCG’s intellectual property and sustainability expertise to foster an innovative response to this challenge. The platform provides a common framework that helps companies respond more efficiently, making decision-useful information easier to access and interpret. This is especially valuable when requesting data from privately held companies, where these disclosures are often limited.”
Early adopters including ING, Lloyds, and NatWest are already deploying or piloting LEO to drive efficiency, build capacity, and reduce the ESG reporting burden across their networks.
“We’re proud to have helped support the launch of the LEO platform, which aims to provide more efficient tracking of sustainability disclosure,” said Caroline Haas, Head of Sustainable Finance Advisory at NatWest. “Our business customers are often searching for tools to help them capture their sustainability performance with the aim to help their value chain with regulatory reporting and risk management. This launch shows progress as the LEO platform aims to assist them do this more efficiently. Businesses are prioritising growth and value creation, while facing multiple external requests to provide their sustainability credentials and progress, so having the LEO platform as an option means help is potentially at hand to provide more efficient sustainability reporting.”
Cristina Gil White, Chief Engagement Officer at GRI, reinforced this: “We’re pleased to support the launch of the LEO platform. As a licensed GRI software partner, ESG Book’s practical digital reporting tools help organisations to effectively apply GRI’s globally leading standards for sustainability impacts. Providing a clear and structured set of metrics, LEO supports companies in navigating the GRI Standards alongside other frameworks—an approach that aligns with our aims to enable streamlined yet comprehensive sustainability reporting.”
LEO represents a significant step forward in ESG data infrastructure, providing corporates and financial institutions with the tools they need to meet regulatory demands, optimise reporting processes, and ultimately unlock sustainability-driven value.
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