ESG Book is a B2B sustainability data and reporting/disclosure platform that collects, validates, and unifies public and private ESG data into workflows and APIs to support regulatory reporting, risk/compliance, transition finance, and supply-chain decarbonization.
Published Oct 12, 2026
| Starting Price | Not published (Contact Sales) | Not published (generally enterprise) | Varies; some ESG scores available publicly for free; enterprise data is licensed |
| Primary Use Cases | Financial institutions and corporates requiring unified public and private data collection, validation, and disclosure workflows | Institutions seeking modular ESG analytics and explainability-oriented outputs | Customers embedded in broader market data stacks who require integrated market and ESG data |
| Key Strength | Disclosure workflow and validation features; emphasis on source documentation; institutional distribution partnerships reported | Emphasis on transparent and modular analytics and third-party analyst recognition reported by the vendor | Broad market-data integration footprint; public ESG company scores available for many firms |
| Key Weakness | Limited independent customer reviews publicly and limited publicly-available security/control detail beyond ISO 27001 mention | Enterprise pricing model and potential configuration requirements for disclosure workflows | May be perceived as less specialised for disclosure workflow use cases compared with niche ESG-only vendors |
Pricing in the ESG data market varies widely and is difficult to compare directly. This increases the importance of: