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Spark Cleantech

Energy · Gif-sur-Yvette, France · Founded 2022

Making onsite hydrogen possible with 5x less electricty than water electrolysis. Producing clean valuable solid carbon materials. Decarbonising natural gas and methane emissions MoreLess

Spark Cleantech is an innovative startup focused on revolutionizing the hydrogen production industry. The company has developed a unique, patented technology called Cold Nanopulsed Plasma, which converts methane (CH4) into hydrogen (H2) and carbon black (C) without emitting carbon dioxide (CO2). This process, known as plasmalysis, uses plasma discharges to break down methane molecules into valuable products, making it an environmentally friendly alternative to traditional methods.

The primary clients for Spark Cleantech are industries and businesses that require hydrogen for various applications, such as energy production, transportation, and manufacturing. The company operates in the clean energy market, which is rapidly growing due to increasing environmental regulations and the global push towards sustainable energy solutions.

Spark Cleantech's business model is based on licensing its patented technology to other companies and providing them with the necessary equipment and support to implement the plasmalysis process. Additionally, the company may engage in direct production and sale of hydrogen and carbon black, leveraging its technology to create high-quality, eco-friendly products.

Revenue is generated through licensing fees, equipment sales, and potentially from the sale of hydrogen and carbon black. By offering a cost-effective and energy-efficient solution for hydrogen production, Spark Cleantech aims to capture a significant share of the clean energy market.

In summary, Spark Cleantech is a pioneering company in the clean energy sector, offering a groundbreaking technology for hydrogen production that minimizes environmental impact and maximizes energy efficiency.

Keywords: hydrogen production, methane conversion, plasmalysis, clean energy, patented technology, carbon black, Cold Nanopulsed Plasma, eco-friendly, energy-efficient, licensing.

Company overview

Spark Cleantech company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2022
Headquarters
Gif-sur-Yvette, France
Employees
43
Open positions
8
Dealroom signal
91.2
client focusb2btechnologyHardwaretechnologyDeep Techsub industryClean Energysub industryOil & Gasbusiness modelManufacturingsectorHydrogensectorGraphenesectorSpinoutsectorSustainable Development GoalssectorClimate TechsectorEnergy and GreentechsectorObservatoire DeeptechsectorEitclimatecleantech

Valuation & funding

Spark Cleantech funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
DEBTDebt Dec 2025 $14M Undisclosed
SERIES AEquity / VC Dec 2025 $19M $75M Asterion Ventures · Innovacom · 360 Capital · Taranis
SEEDEquity / VC Jul 2023 $1.5M $6.2M Asterion Ventures
SUPPORT PROGRAMOther financing Dec 2022 $0 21st by CentraleSupélec
SPINOUTOther financing Dec 2022 French National Centre for Scientific Research - CNRS · CNRS Innovation · SATT Paris-Saclay · Paris-Saclay University
Showing 5 recorded eventsUnlock the complete deal history →

Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 42
2025 31
2024 24
2023 13
2022 8
2021 4
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Spark Cleantech website traffic

Latest recorded traffic for Spark Cleantech is 120 monthly website visits, down 74.5% over the last three months. Spark Cleantech's team grew 38.7% over the past year.

Latest monthly visits120 3-month web change-74.5% 1-year team growth+38.7%
Monthly website visits33 observations · Oct 2022–Jul 2026
Hover or focus a point to see its exact monthly valueCompare with peers →

Comparisons

Spark Cleantech compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

Spark Cleantech's talent

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Team profiled 5 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

14 investors on Spark Cleantech's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 1 investor entered at this stage
Asterion Ventures
Series A 3 investors entered at this stage
360 Capital
Taranis
Innovacom
Other known 10 additional known investors
21st by CentraleSupélec
CentraleSupélec - Paris-Saclay University
CNRS Innovation
French National Centre for Scientific Research - CNRS
Paris-Saclay University
SATT Paris-Saclay
EIT Climate KIC
EVOLEN
Evolen Energy Accelerator
Wind

Global footprint

Where Spark Cleantech has talent and traffic

Workforce by country
5 countries with
team presence
🇫🇷 France88.6%
🇬🇧 United Kingdom4.5%
🇪🇸 Spain2.3%
🇹🇳 Tunisia2.3%
🇺🇸 United States2.3%
5 countries shown

In the news

Latest news about Spark Cleantech

Recent press, funding announcements, and product moves mentioning Spark Cleantech — open to read from the original sources.

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Market sentiment

What the market is saying about Spark Cleantech

An AI-synthesized read of the highest-engagement posts about Spark Cleantech on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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