MayMaan
Charging stations, power generation, and automotive
19 employees · est. 2014 · Hollywood, United States
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
MayMaan is the older company (2014 vs 2015); MayMaan is the larger of the two.
Side-by-Side Comparison
| Metric | MayMaan | Sylfen |
|---|---|---|
| Founded | ||
| Founded | 2014 older | 2015 |
| Headquarters | ||
| Headquarters | Hollywood, United States | Le Cheylas, France |
| Employees | ||
| Employees | 19 larger | 10 |
| Industry | ||
| Industry | Manufacturing, Renewable Energy, Semiconductor | Energy |
| Funding Stage | ||
| Funding Stage | Series A | Seed |
| Total Funding | ||
| Total Funding | $30.00M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | 1 |
| Services | ||
| Services | Clean combustion and power generation technology development, Integration of engine technologies into OEM and industrial platforms, Support and expertise in eco-friendly engine deployment, Research and innovation in sustainable fuel blends | Live Casino Streaming, Online Baccarat, Gambling and Betting Solutions, AI-Driven Game Analysis, User Account Management |
| Target Customers | ||
| Target Customers | Original Equipment Manufacturers (OEMs), Powertrain Manufacturers, Strategic Partners and Distributors, Maritime Industry Stakeholders, Off-Grid and Industrial Power Consumers | Online Gamblers, Casino Enthusiasts, Tech-Savvy Players, Mobile Game Users |
| Taxonomy | ||
| Taxonomy | Water-based Fuel Technology, Clean Energy Innovation, Engine Technology, Carbon Emissions Reduction, Power Generation, Transportation Solutions, Marine Industry Integration, Defense Industry Applications, Operational Cost Savings, Sustainable Energy Solutions, Fossil-fuel-free Engines, Global Patent Portfolio, Environmentally Responsible Energy, Alternative Fuels | 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 |
| Website | ||
| Website | maymaan.com | sylfen.com |
About MayMaan
MayMaan, founded in 2014, is making waves with its revolutionary technology: engines powered by a water-based fuel blend of 70% water and 30% ethanol. Their mission enhances sectors like power generation, transportation, and defense by lowering operational costs and slashing carbon emissions, promis...
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...
We will tell you when either one moves
BounceWatch watches MayMaan and Sylfen for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at MayMaan and Sylfen — by email.
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Compiled from the BounceWatch company index. We last looked at MayMaan on 18 Aug 2025, and Sylfen on 25 Mar 2026. 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.