THORIZON is the older company (2018 vs 2019); TRANSMUTEX is the larger of the two.
Side-by-Side Comparison
| Metric | THORIZON | TRANSMUTEX |
|---|---|---|
| Founded | ||
| Founded | 2018 older | 2019 |
| Headquarters | ||
| Headquarters | Amsterdam, The Netherlands | Vernier, Switzerland |
| Employees | ||
| Employees | 48 | 59 larger |
| Industry | ||
| Industry | Not tracked yet | Energy, Renewable Energy |
| Funding Stage | ||
| Funding Stage | Unknown | Series A |
| Total Funding | ||
| Total Funding | $38.50M | $40.09M |
| Funding Rounds | ||
| Funding Rounds | 5 | 6 |
| Services | ||
| Services | Development of Modular Nuclear Reactors, Power Generation and High Temperature Heat Provision, Research and Development in Nuclear Technology, Partnerships for Reactor Manufacturing and Deployment | Energy Generation, Nuclear Waste Reduction, Radioisotope Production |
| Target Customers | ||
| Target Customers | Industries Seeking Reliable Baseload Power, Data Centers Requiring Stable Energy Solutions, Partners in Energy and Manufacturing Sectors | Healthcare Industry, Energy Sector, Waste Management Facilities, Research Institutions |
| Taxonomy | ||
| Taxonomy | Nuclear Energy, Molten Salt Reactors, Nuclear Waste Management, Clean Energy, Energy Transition, Decarbonisation, Thorium Reactors, Safe Nuclear Design, Modular Reactor Technology, Innovative Energy Solutions, Circular Energy Systems, Radioactive Waste Reduction, Renewable Energy Technology | Nuclear Energy, Particle Accelerators, Transmutation, Carbon-free Energy, Sustainable Energy, Nuclear Waste Reduction, Energy Innovation, Safety In Nuclear, Climate Change Solutions, CERN Technology, PSI Technology, Environmental Technology, Energy Research, Industrial-scale Energy, Nuclear Proliferation Prevention |
| Website | ||
| Website | thorizon.com | transmutex.com |
About THORIZON
THORIZON is at the forefront of utilizing nuclear waste as a sustainable energy source. Founded in 2018, the company is revolutionizing the energy sector with its innovative use of a modular molten salt reactor, termed the Thorizon One. This technology addresses a critical environmental issue by tra...
About TRANSMUTEX
TRANSMUTEX, a Swiss-based company founded in 2019, is at the forefront of redefining the nuclear energy landscape. With the slogan "Reinventing Nuclear," the company focuses on solving critical challenges of cost, safety, and proliferation that traditionally beset nuclear reactors. Their cutting-ed...
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Funding, hiring, leadership and stack changes at THORIZON and TRANSMUTEX — by email.
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Compiled from the BounceWatch company index. We last looked at THORIZON on 21 May 2026, and TRANSMUTEX on 13 Nov 2025. 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.