CarbonX
CarbonX is a Dutch deep-tech materials developer, founded in 2014 in Delft, that creates novel materials for next-generation industrial applications. The venture-backed firm supplies advanced-material inputs to downstream B2B buyers and is led by co-founders Rutger Raalten (CEO) and Daniela Sordi (CTO).
- Company typePrivate
- Founded2014
- HeadquartersDelft, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What CarbonX does
CarbonX is a private Dutch deep-tech company founded in 2014 that develops and supplies novel materials intended to underpin the next generation of material products. The firm is headquartered in Delft, the Netherlands, with an additional Amsterdam presence, and operates with a small team of 11-50 employees led by co-founder and CEO Rutger Raalten and co-founder and CTO Daniela Sordi. Its self-description positions it as a materials developer rather than a finished-goods manufacturer, implying a B2B business model in which carbon-based or advanced-material inputs are supplied to downstream industrial buyers (for example in polymers, tires, coatings, or energy applications), though no specific product lines, customer logos, pricing, or distribution channels are disclosed in available sources.
The company has been funded almost exclusively through institutional rounds, accumulating approximately $22.8 million across four disclosed transactions between February 2024 and February 2025. Earlier investors include Borski Fund, Innovation Industries and InnovationQuarter; a December 2024 round added Energie transitie fonds Rotterdam, and February 2025 brought EIC Accelerator (European Innovation Council) financing in two tranches, signaling a deliberate progression from regional Dutch deep-tech capital toward EU-level climate-aligned funding. The combination of a 10-year operating history, modest headcount, sustained institutional backing and a pivot toward energy-transition-aligned investors suggests the company is in late-stage R&D or early commercial scale-up rather than in steady-state revenue generation.
No disclosed revenue, pricing model, customer concentration, patents, certifications, or partnerships were available in the input data. As a result, the commercial mechanics of how CarbonX monetizes its materials, the addressable verticals it serves, and the unit economics of its products cannot be characterized with confidence. The available evidence supports a description of a venture-backed, founder-led materials developer in scale-up phase, but does not support claims about product-market fit or commercial traction.
CarbonX firmographics
Firmographics- Name
- CarbonX
- Website
- https://carbonxmaterials.com
- Company type
- Private
- Founded year
- 2014
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- CarbonX is a Dutch deep-tech materials developer, founded in 2014 in Delft, that creates novel materials for next-generation industrial applications. The venture-backed firm supplies advanced-material inputs to downstream B2B buyers and is led by co-founders Rutger Raalten (CEO) and Daniela Sordi (CTO).
- Ownership category
- akta.pro rank
CarbonX industry classification
Industry- Product category
- Advanced Carbon Materials
- NAICS
- Carbon and Graphite Product Manufacturing (335991)
- akta.pro primary industry
- Carbon‑Based Carbon Materials (graphite, carbon black, CNTs, graphene from CO₂/CO) (EUABAIAG)
- akta.pro secondary industry
- Functional Carbon Fillers (Carbon Black, Graphite) (IMAEAFAO)
Keywords
Where CarbonX is headquartered
LocationHeadquarters
- HQ city
- Delft
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
CarbonX business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Operations, Supply Chain, Marketing or Sales
CarbonX product offering
Product offeringCore offering
CarbonX develops and supplies new carbon-based materials intended to be designed into the next generation of materials. The company focuses on proprietary engineered carbon inputs that industrial buyers can integrate into their own material and product formulations. Activities center on R&D and supply of specialty carbon materials rather than finished consumer goods.
Differentiator
Problem solved
Functional benefit
Companies that use CarbonX
Customer profileIdeal customer profiles1 record
CarbonX technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
CarbonX partnerships and signals
Strategic signalScale indicators1 record
Recent moves4 records
Expansion highlights4 records
CarbonX competitors and assessment
Company assessmentDirect peers
- Monolith Materials: US-based producer of clean carbon black from natural gas feedstock; directly competes in the sustainable/alternative carbon black space that CarbonX targets, with similar customer overlap in tires and rubber goods.
- Black Bear Carbon: Dutch producer of recovered carbon black from end-of-life tires; competes with CarbonX in supplying lower-carbon carbon black to rubber and polymer customers, with comparable feedstock-to-product positioning.
Broad incumbents
- Orion S.A. Global specialty chemicals company and one of the world's largest carbon black producers; competes with CarbonX across rubber, coatings, and specialty carbon applications, and is the type of incumbent CarbonX aims to displace or supply alongside.
- Cabot Corporation: Leading global carbon black and specialty chemicals producer with deep ties to tire and industrial customers; a primary competitor and benchmark for any new entrant in functional carbon materials.
- Birla Carbon: World's largest carbon black manufacturer (Aditya Birla Group); competes with CarbonX in the same downstream tire, rubber, and specialty carbon end-markets and sets the price-performance benchmark CarbonX must beat.
- Tokai Carbon: Japan-based diversified carbon and graphite products manufacturer with global operations; competes broadly with CarbonX in carbon black, fine carbon, and graphite-based specialty materials.
- Imerys: French specialty minerals producer with a broad carbon and graphite additives portfolio serving polymers, batteries, and industrial customers; competes with CarbonX in functional carbon fillers and specialty applications.
- Continental Carbon: Established carbon black producer serving rubber, plastics, and specialty applications; representative of the incumbent competitive set CarbonX must differentiate against on sustainability and performance.
Emerging players
- OCSiAl: Large-scale single-wall carbon nanotube producer supplying conductive and reinforcing additives into polymers, batteries, and elastomers; competes with CarbonX in advanced nanostructured carbon materials for high-performance applications.
- Carbios: French bio-industrial company developing enzymatic recycling and bio-based polymers; an adjacent emerging player in sustainable materials for plastics and chemicals end-markets relevant to CarbonX's customer base.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat3 records
Key risks5 records
Key highlights5 records
Customer concentration
CarbonX social profiles
Digital presenceCarbonX financial estimates
Financial estimateRevenue estimate
Valuation estimate
CarbonX leadership team
Management profileNumber of profiles
Profiles2 records
CarbonX funding detail
Funding detailFunding overview
Funding rounds4 records
Investors5 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
CarbonX M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about CarbonX
What does CarbonX do?
CarbonX develops and supplies new carbon-based materials intended to be designed into the next generation of materials. The company focuses on proprietary engineered carbon inputs that industrial buyers can integrate into their own material and product formulations. Activities center on R&D and supply of specialty carbon materials rather than finished consumer goods.
Is CarbonX a public or private company?
CarbonX is a private company. It is classified as venture growth investor backed and is currently operating.
When was CarbonX founded?
CarbonX was founded in 2014. It employs 11 to 50 people.
Where is CarbonX based?
CarbonX is headquartered in Delft, Netherlands, in the Europe region.
Who are CarbonX's main competitors?
Direct peers on record are Monolith Materials and Black Bear Carbon. Broad incumbents are Orion S.A., Cabot Corporation, Birla Carbon, Tokai Carbon, Imerys and Continental Carbon. Emerging players are OCSiAl and Carbios.
Does CarbonX have an API?
No public API is recorded for CarbonX.
What industry is CarbonX in?
CarbonX's product category is Advanced Carbon Materials. Its primary akta.pro industry code is EUABAIAG, Carbon‑Based Carbon Materials (graphite, carbon black, CNTs, graphene from CO₂/CO), with a secondary code of IMAEAFAO, Functional Carbon Fillers (Carbon Black, Graphite). Its NAICS code is 335991.