Founded in 2017, Stonal is a Paris-based AI-powered data management platform built to help real estate owners, investors, and asset managers manage and preserve their property portfolios. The platform extracts and validates data from key documents such as leases, contracts, and blueprints, offering a unified, accurate source of truth for real estate operations.
In 2024, Stonal secured a €100 million strategic investment from Aareon, one of Europe’s leading property software providers, to accelerate its European expansion and advance its AI-driven solutions for the property industry.
How Stonal Works
Stonal’s platform leverages artificial intelligence and human expertise to provide clean, reliable, and actionable property data.
Key Features
- Automated Data Extraction: AI algorithms extract and index data from leases, building plans, and maintenance contracts.
- Data Validation: Human experts review and confirm uncertain data points to maintain accuracy.
- Centralised Data Access: The platform stores verified data in a secure and easily accessible data room.
- Decision-Making Tools: Modules for ESG reporting, CapEx planning, and performance optimisation.
StonalGPT: Generative AI for Real Estate
In early 2024, Stonal launched StonalGPT, the first generative AI platform designed for real estate owners and investors. This innovation enables users to query complex real estate data conversationally and generate insights, reports, and recommendations in real time.
| Function | Description |
|---|---|
| Data Querying | Users can interact with the database using natural language prompts. |
| ESG Reporting | Automatically generates sustainability and compliance reports. |
| CapEx Planning | Analyzes building data to forecast capital expenditures. |
| Portfolio Analysis | Delivers portfolio-wide insights to improve value and liquidity. |
The Aareon Investment: Strategic Growth and European Expansion
In May 2024, Aareon Group, a major player in real estate technology, invested up to €100 million in Stonal. This funding marks one of the largest AI proptech investments in Europe.
Goals of the Partnership
- European Expansion: Strengthen Stonal’s footprint across continental Europe.
- AI Integration: Deepen AI applications within the Aareon Sustain product line.
- Data Quality Leadership: Enhance accuracy and accessibility of real estate asset data.
- Sustainability Alignment: Support ESG and sustainability compliance across portfolios.
“AI is a massive opportunity to reshape the real estate sector, but it requires vast amounts of reliable data. Our partnership with Aareon accelerates this vision,” said Robin Rivaton, CEO of Stonal.
Clients and Market Reach
Stonal currently serves over 130 clients, including:
- REITs and Insurers
- Housing Organisations
- Asset Managers
- Family Offices
Together, these clients manage a combined portfolio of over 200 million square meters across Europe.
Geographic Presence
| Region | Key Markets |
|---|---|
| Western Europe | France, Germany, UK |
| Southern Europe | Spain, Italy |
| Nordic Expansion | Sweden, Denmark (in progress) |
ESG and Data Integrity
Stonal plays a critical role in helping property owners meet ESG (Environmental, Social, and Governance) goals. The platform’s verified datasets enable:
- Accurate energy and emissions reporting.
- Tracking of sustainability initiatives across portfolios.
- Compliance with evolving EU and UK real estate regulations.
By combining AI with human oversight, Stonal reduces data gaps and enhances transparency and compliance, key factors in sustainable asset management.
Key Benefits for Real Estate Stakeholders
| Benefit | Description |
|---|---|
| Preserve Portfolio Value | Reliable data ensures consistent asset valuation and decision-making. |
| Improve Asset Liquidity | Verified data simplifies transactions and investor due diligence. |
| Reduce Risks | Continuous monitoring minimises regulatory and operational risks. |
| Optimise Performance | Data insights drive efficiency and cost savings. |
Leadership Team
- Robin Rivaton – Chief Executive Officer
- Michel Tolila – Co-founder and Executive Chairman
- Jean-Maurice Oudot – Co-founder
Their combined experience in real estate and technology underpins Stonal’s mission to deliver data quality at scale.
Future Outlook
With its latest investment and proprietary AI technology, Stonal is positioned to become a European leader in proptech and data-driven real estate management. The company continues to expand its partnerships, enhance automation, and promote sustainable real estate transformation through AI.
Stonal’s data-driven approach, powered by artificial intelligence and reinforced by strategic investment from Aareon, demonstrates how technology can redefine property management. As the real estate sector faces increasing ESG and compliance demands, platforms like Stonal are setting new standards for transparency, performance, and digital transformation.