# THORIZON: Oil & energy, Amsterdam, Netherlands

> THORIZON: THORIZON is a European deep-tech nuclear company focused on developing next-generation Molten Salt Reactors (MSR) that utilize Thorium as fuel.

Source: https://millionrounds.com/startup/thorizon (Millionrounds; every figure on the page links to its filing or article)

Netherlands · [Oil & energy startup](https://millionrounds.com/companies)

# THORIZON

THORIZON is a European deep-tech nuclear company focused on developing next-generation Molten Salt Reactors (MSR) that utilize Thorium as fuel.

Funding reported Last round: Series A

Oil & energy Amsterdam, Netherlands

Company summary

- **Founded:** 2018 8 years old
- **Team:** 46 11 to 50 people
- **Funding reported:** 59.8M as listed, currency not stated
- **Last round:** Series A Mar 2025

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for THORIZON has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About THORIZON

THORIZON is a European deep-tech nuclear company focused on developing next-generation Molten Salt Reactors (MSR) that utilize Thorium as fuel.

Founded in 2018 by Lucas Pool and Sander de Groot, the company operates from dual headquarters in Amsterdam, Netherlands, and Lyon, France. THORIZON aims to transform the energy landscape by creating stable, reliable, and low-carbon energy solutions that recycle nuclear waste into valuable resources. The company's flagship product, the THORIZON One, is a 100-MW Molten Salt Small Modular Reactor designed to generate thermal and electrical power while significantly reducing the volume and toxicity of radioactive waste. THORIZON offers a range of services, including reactor development, prototype fabrication, consortium management, and consulting on nuclear safety and efficiency. With a strong emphasis on safety and modularity, THORIZON is positioned to play a key role in the global transition to sustainable energy, targeting various sectors such as industrial clients, grid operators, and nuclear facilities.

## What company datasets say THORIZON raised

Funding, as reported

Reported in all **59.8M** in the source's currency

Rounds **2**

Last round **Series A**

Last round size **17.6M**

Last round date **Mar 2025**

Investors listed **5**

## Founders and team

From THORIZON's own website: 1 founder, 7 on the team.

**Sander de Groot** Chief Science Officer & Co-Founder

- **Kiki Lauwers** CEO
- **Antoine Claisse** CTO
- **Laure Claquin** COO & Director France
- **Margriet Hooghiemstra** CFO
- **Bram Bruinsma** Engineering & Project Lead
- **Ad Louter** Team
- **Bram-Paul Jobse** Team

Advisers *Arjan Vreeling* *Bertrand Morel* *Emmanuelle Galichet* *Hans Priem* *Nrg Pallas* *Rudy Konings* *Sylvain Takenouti*

## The company, in detail

What they build

Known for

nuclear energy revolution bulk power supply nuclear energy technology energy supply chain nuclear waste management environmentally friendly nuclear energy supply nuclear waste reduction nuclear waste recycling modular reactor heat production nuclear research institutes energy storage nuclear waste to energy nuclear fuel recycling stable power

Built with from their website

Confluent parallax.js Squarespace ECommerce YouTube CloudFlare Viewport Meta LinkedIn Ads Element UI Hubspot Azure Virtual Machine Scale Sets

+8 more

TraceLink OpenFOAM Priority Hints React Google Font API Magento 2 Microsoft Exchange Simcenter STAR-CCM+

- **Sector:** Oil & energy
- **Industry code:** NAICS 33361, 221113, 541715, SIC 3531
- **Region:** North Holland
- **Revenue:** 1.5M a year, as listed

## Oil & energy in Netherlands

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- [**Capacity Energy** Amsterdam · founded 2013](https://millionrounds.com/startup/capacity-energy)

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