Features
Centralization of data
A single, reliable and common repository for your entire organization
Calculations
Access to a calculation library, set up your methodologies simply
Follow-up and analysis
Monitoring of customizable ESG rules by portfolio
Simulations
Portfolio simulation to see the impact on ESG indicators
Controversies
Monitoring of issuers' ESG ratings and alerts during controversies
Shareholder commitment
New!
Voting management and engagement actions
Reporting
Production of regulatory reports (SFDR, EET,...), customers and marketing
Expertise Hub
WeeFin answers your questions about ESG regulations
Attribution
New!
Break down your indicators to attribute their variations to specific factors
New!
Find all our partners in detail.
Learn more
Asset Manager
The latest industry news, updates and info.
Asset Owner
Learn how our customers are making big changes.
Wealth Manager
Learn about our story and our mission statement.
Bank (CIB)
Nouveau
We're always looking for talented people. Join our team!
Our latest case study
Benchmark of Solvency 2 transparency solutions
👉 Read it now
Resources
blog
Check out our articles and studies on sustainability and regulatory topics.
Downloadable Content
Our e-books, regulatory decryptions, and all our expert content for you.
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News
Stay up to date with our latest news.
Events
Webinars, conferences, trade shows... Follow our events.
Ensuring regulatory compliance with the attribution method
Les institutions financières doivent être en position d’expliquer concrètement pourquoi leurs indicateurs de durabilité évoluent et de les tracer pour démontrer leur conformité. Pour relever ce défi, les équipes en charge de ces sujets peuvent s’appuyer sur la méthode d’attribution.
👉 Read the article
Business
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about
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Team
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Careers
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Features
Centralization of data
Data aggregation
In order to meet the various regulatory and client demands, you accumulate many ESG data sources.
WeeFin offers a full range of services to help you build a single, reliable repository that is shared across your organisation.
Request a demo
A golden source
offering optimum coverage
Automatic integration
of data sources
Guaranteed quality
due to automated controls
Matching algorithm to maximise coverage rate
Automatic integration of
data sources
With WeeFin, you can integrate all your data into a single platform.
‍
Our tool allows you to:
Automatically connect to
any public or private ESG data source
of your choice
Link to your
internal ESG data
(research)
Connect to internal tools for
investment data
Request a demo
Optimised quality due to
automated controls
Implementation of:
Technical controls
on the ingested datasets verifying the quality of data received
Functional checks
‍
verifying consistency
and veracity of data received (values, correlation between several indicators,...)
Checks can be fully customised to suit your preferences, with the platform offering complete flexibility.
Optimised coverage rate
Get optimal ESG data coverage and a single repository thanks to:
Automated matching
Automated
data
matching
using an advanced algorithm
Propagation
Propagation
of certain indicators according to customisable rules (hierarchical tree and rules of your choice)
Custom proxies
A
customised proxy
calculation system
On average, our platform enables you to automatically obtain a coverage rate of
over 95%
.
Strategic functionnality
to help you achieve your sustainability objectives
Cost-effective
Using ESG Connect means an
average saving of 77%
compared to in-house development.
Time-saving
5x less time
spent by your teams on ESG data management as the result of automated processes
Reliability
Our solution enables you to reduce operational risks by ensuring data consistency.
blog
Our latest article publications
Read the studies and articles written by our experts to help you get a clearer picture of sustainability and regulatory issues.
Consult all our articles
Article
Ensuring regulatory compliance with the attribution method
Les institutions financières doivent être en position d’expliquer concrètement pourquoi leurs indicateurs de durabilité évoluent et de les tracer pour démontrer leur conformité. Pour relever ce défi, les équipes en charge de ces sujets peuvent s’appuyer sur la méthode d’attribution.
WeeFin
23/12/2025
•
5 min
Article
The ECB incorporates climate into its collateral framework: challenges and impacts for sustainable finance
In July 2025, the European Central Bank (ECB) announced its intention to include a climate factor in its collateral framework from the second half of 2026. We had the pleasure of discussing this topic with Charlotte Gardes-Landolfini, an economist at the International Monetary Fund (IMF) in the Monetary Loans Division.
Raphaèle Védy & Nicolas Sezibera
17/12/2025
•
Article
WeeFin x FactSet webinar: leveraging geographical and sectoral sustainability data
On 11 December 2025, WeeFin hosted its fifth webinar in a series dedicated to sustainability data providers, with FactSet as its guest. Marion Aubert, co-founder of WeeFin, spoke with Pascal Naim-Schmidt, Vice President and Principal Sustainability & Thematics Specialist at FactSet, about the RBICS and GeoRev datasets.
WeeFin
12/12/2025
•
4 min
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