saas platform for sustainable finance

ESG Connect

Environmentally & Socially Responsible investment made easy

Tomorrow’s world must be built now. At WeeFin, we act to make it sustainable, collaborative and transparent and we place finance at the heart of this transformation.

One-stop-shop for ESG investment 

Software as a Service to democratize socially responsible investment connecting data, teams and financial players. 
The future of sustainable investment, now.

all esg in one place

Aggregation, analysis, reporting, and much more 

tailored for your RI strategy

Fully adaptable platform to fit with your ESG vision.

Streamlined process

No more time wasting with low added value tasks 

cost efficient

SaaS : monthly subscription, no development cost for your organisation

Data Integration

Data aggregation

All your ESG data sources aggregated in our platfom

Quality checks

Data quality is controlled by customizable rules

Data Normalisation

Data is standardized in order to be usable in the platform

Matching algorithm

Automatically optimized coverage of extra financial data 

Custom Scoring

With ESG Connect, stand out from the crowd, create your custom scoring to fit with your own strategy and objectives : develop your KPI and optimize your ESG metrics.

It’s time to reappropriate ESG data.


Intuitive settings

No-code required, create easily your own indicators and scores 

unlimited metrics

Create as many indicators as you want with the level of detail as you like

Portfolio Analysis & Simulation

Always keep an eye on your portfolio performance, monitor the evolution of indicators towards the targeted objectives or benchmarks. Make simulations : add or remove securities to your portfolio to reach your goals. Deep dive into your securities, Study an issuer from all angles but from a single page.

Powerful analytical tool

Leveraging on AI and Big Data technologies to deep dive and analyse your portfolios.

All stakeholders connected

Share easily information between all your teams within your organization, and outside with clients.

Digital Reporting

ESG Connect automates and industrialize your digital reporting. We offer prebuilt designs and advanced data visualization.

Industrial reporting

Time saving solution to create your company’s reporting.


Adaptable reporting models to fit with your internal and external requirements.

Data technology for a green transition

What technologies are used on ESG Connect ? What benefits can you get from them ?

security first

Ensuring the security and compliance of your data, adhering to the highest standards and benefiting from proactive security.

cloud native

Managed services and serverless guarantee high availability, flexibility and the best performance (DevOps and Infra-as-Code methods).


Automatically input and output your financial and extra financial data from any sources.

AI, machine learning & NLP

Extracting unstructured information, creating models, analyzing portfolios, … 

Advanced analytics

Performing the Analysis for better decision making by automatically extract meaningful patterns from large datasets.

Scale-out NoSQL & Big Data Solutions

Our innovative Data Pipeline adds operational efficiency and reliability hardened by the Top 1 cloud provider.


Suscribe for a free trial of ESG Connect

Latest News



Comment les API nous permettent-elles de rendre nos plateformes ESG plus dynamiques et efficientes ?Houssem Layouni & Charlotte Estournes - 10.02.2021Vous êtes nombreux à nous demander les détails des fonctionnalités technologiques de nos plateformes Orion et ESG...

Pitch ESG Connect de Grégoire à l’AM Tech Day

Pitch ESG Connect de Grégoire à l’AM Tech Day

Notre participation à l'AM tech day a été l'occasion de montrer publiquement ESG Connect ! Notre plateforme Saas 100% dédiée à la finance durable est désormais disponible. Elle permet aux acteurs financiers de se réapproprier les données extra financières. L’objectif...