Sylfen
Enabling real-estate investors to succeed in their energy transition strategy, thanks to hydrogen and smart software
10 employees · est. 2015 · Le Cheylas, France
Voltalis is the older company (2015 vs 2006); Voltalis is the larger of the two.
Side-by-Side Comparison
| Metric | Sylfen | Voltalis |
|---|---|---|
| Founded | ||
| Founded | 2015 | 2006 older |
| Headquarters | ||
| Headquarters | Le Cheylas, France | Puteaux, France |
| Employees | ||
| Employees | 10 | 394 larger |
| Industry | ||
| Industry | Energy | Internet |
| Funding Stage | ||
| Funding Stage | Seed | Private Equity |
| Total Funding | ||
| Total Funding | Not tracked yet | $91.00M |
| Funding Rounds | ||
| Funding Rounds | 1 | 1 |
| Services | ||
| Services | Live Casino Streaming, Online Baccarat, Gambling and Betting Solutions, AI-Driven Game Analysis, User Account Management | Not tracked yet |
| Target Customers | ||
| Target Customers | Online Gamblers, Casino Enthusiasts, Tech-Savvy Players, Mobile Game Users | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Energy Transition, Energy Storage, Hydrogen Technology, Smart Energy Solutions, Fuel Cells, Electrolysis, Energy Management, Sustainable Buildings, Clean Energy, Smart Grid Integration, High Temperature Systems, Energy Diagnosis, Local Energy Management | Demand Response, Energy Savings, Electricity Grid Optimization, Connected Thermostat, Smart Energy, Climate Change Mitigation, Energy Efficiency, Electric Vehicle Charging, Energy Storage, Self-Consumption, Renewable Energy Integration, Smart Grid, Sustainable Technology, Energy Management |
| Website | ||
| Website | sylfen.com | group.voltalis.com |
About Sylfen
Sylfen, founded in 2015 and headquartered in France, is pioneering the energy transition landscape by leveraging hydrogen technology and smart software for real-estate investors. The company’s mission, captured in its slogan, "Enabling real-estate investors to succeed in their energy transition stra...
About Voltalis
Voltalis is a leading European company specializing in automated Demand Response. The company's mission is to leverage technology to promote energy efficiency and address the critical challenges of climate change, purchasing power, and electricity supply security. During peak national consumption o...
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Funding, hiring, leadership and stack changes at Sylfen and Voltalis — by email.
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Compiled from the BounceWatch company index. We last looked at Sylfen on 25 Mar 2026, and Voltalis on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
