Insights

Sustainability Data Leader ESG Book merged with EthiFinance to form a leading European sustainability and credit rating entity, highlighting a broader client base across European markets and an expanded offering that can drive cross-sell opportunities in integrated ESG data, ratings, and disclosures.

Cloud Native Platform The launch of LEO, a cloud-native platform for streamlined sustainability disclosures, in partnership with Boston Consulting Group and built on Google Cloud, signals a scalable product with strong appeal to financial institutions and corporates seeking faster due diligence and regulatory compliance.

APIs for Integration ESG Book provides access to tens of thousands of disclosures via API, enabling seamless integration into existing risk, compliance, and reporting workflows, which is a compelling entry point for sales conversations with mid-to-large enterprises seeking data-driven automation.

Strategic Partnerships Recent collaborations with BCG and Vyzrd expand market reach and credibility, presenting opportunities to bundle consulting-led implementations with data and platform capabilities for customers pursuing ESG strategy, regulatory alignment, and climate risk analytics.

Growing Enterprise Focus With a multinational footprint, ongoing leadership changes, and a $55M funding profile, ESG Book is positioned to target larger financial institutions and corporates in Europe and beyond, offering scalable data management, disclosure, and rating solutions to support net-zero and regulatory requirements.

Similar companies to ESG Book

ESG Book Tech Stack

ESG Book uses 8 technology products and services including iCIMS, Apache Kafka, HashiCorp Terraform, and more. Explore ESG Book's tech stack below.

Media & News

ESG Book's Email Address Formats

ESG Book uses at least 3 email formats:
ESG Book Email FormatsExamplePercentage
First.Last@esgbook.comJohn.Doe@esgbook.com
96%
First.Middle@esgbook.comJohn.Michael@esgbook.com
3%
FiMLast@esgbook.comJoMDoe@esgbook.com
1%

Frequently Asked Questions

What is ESG Book's official website and social media links?

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ESG Book's official website is esgbook.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does ESG Book generate?

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As of August 2026, ESG Book's annual revenue is estimated to be $10M - $25M.

What is ESG Book's NAICS code?

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ESG Book's NAICS code is 52 - Finance and Insurance.

How many employees does ESG Book have currently?

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As of August 2026, ESG Book has approximately 197 employees across 3 continents, including Asia, Europe and North America. Key team members include Chief Executive Officer: J. F., Cto: D. C. and Chief Financial Officer: Z. M. Explore ESG Book's employee directory with LeadIQ.

What industry does ESG Book belong to?

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ESG Book operates in the Financial Services industry.

What technology does ESG Book use?

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ESG Book's tech stack includes iCIMS, Apache Kafka, HashiCorp Terraform, Kubernetes, Prometheus, Mailchimp, WP Engine and Piwik PRO Core.

What is ESG Book's email format?

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ESG Book's email format typically follows the pattern of First.Last@esgbook.com. Find more ESG Book email formats with LeadIQ.

How much funding has ESG Book raised to date?

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As of August 2026, ESG Book has raised $55M in funding. The last funding round occurred on Jun 22, 2022 for $35M.
ESG Book logo

ESG Book

Financial ServicesEngland, United Kingdom51-200 Employees

ESG Book is a London-based financial services firm focused on sustainability data and technology. Founded in 2018, it serves a global roster of investors and corporate clients with ESG and climate solutions that cover more than 50,000 companies. Its offerings include raw ESG data, company- and portfolio-level scores, analytics tools, and a SaaS platform for data management and disclosure. The company provides access to a large volume of corporate disclosures and delivers solutions through API-enabled integration to support real-time, framework-neutral ESG information. Positioned in the financial services landscape, ESG Book supports due diligence, regulatory reporting, and broad ESG, climate, net-zero, and impact product needs. The firm is mid-sized, with a global footprint, and recent developments include the April 2025 launch of LEO, a cloud-native platform developed with Boston Consulting Group to streamline sustainability disclosures for corporations and financial institutions, built with Google Cloud.

Section iconCompany Overview

NAICS Code
52 - Finance and Insurance
Employees
51-200

Section iconFunding & Financials

  • $55M

    ESG Book has raised a total of $55M of funding over 3 rounds. Their latest funding round was raised on Jun 22, 2022 in the amount of $35M as a Series B.

  • $10M - $25M

    ESG Book's revenue is estimated to be in the range of $10M - $25M

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