About Eion
Eion is a company based in Princeton (United States) founded in 2021 by Elliot Chang was acquired by Terradot in February 2026. Eion has raised $12 million across 2 funding rounds from investors including Sibelco, Terradot and Orion Corporation. Eion operates in a competitive market with competitors including Terradot, Alt Carbon, InPlanet, Everest Carbon and Cascade Climate, among others.
- Headquarter Princeton, United States
- Founders Elliot Chang
- SectorsEnvironmentTransportation, Automotive & Logistics
- Email••••••••
- Website eioncarbon.com
- Social LinkedIn
- Acquired by Terradot (Feb 2026)
Funding Insights of Eion
Eion has successfully raised a total of $12M across 2 strategic funding rounds. The most recent funding activity was a Grant round of $200 thousand completed in July 2024. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $12M
- Total Rounds 2
- Last Round Grant — $200,000
- First Round $12M
(Dec 2022)
- Investors Count 10
All 2 funding rounds of Eion with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
11 investors in total: 11 institutional.
Investors in Eion
Eion has secured backing from 11 investors, including institutional and venture fund investors. Prominent investors backing the company include Sibelco, Terradot and Orion Corporation.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital fund focused on ag-tech and food-tech sectors | – | agfunder.com | San Francisco, United States | |
Mercator Partners is engaged in science-driven asset management. | – | mercatorpartners.com | - | |
A seed stage venture capital firm focused on innovative founders. | – | slvcap.com | - | |
Trailhead Capital is focused on regenerative agriculture investments. | – | trailheadcap.com | Denver, United States | |
Investments in carbon removal technologies are supported by this firm. | – | carbonremoval.partners | Zürich, Switzerland | |
Venture capital investments are provided to early-stage companies. | – | ridgeline.vc | - | |
Scientific and technical information is managed and disseminated by OSTI.GOV. | – | osti.gov | Oak Ridge, United States | |
Aluminium trihydrate, bentonite, iron oxide, and other materials are manufactured. | 1872 | sibelco.com | Antwerp, Belgium | |
Early-stage venture capital investments are made in technology startups. | – | overture.eco | - | |
Human and veterinary pharmaceuticals are developed, manufactured, and marketed globally. | 1917 | orion.fi | Espoo, Finland |
Investor details for Eion
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People of Eion
1 people are tracked at Eion (1 in leadership).
| Name | Role | Group |
|---|---|---|
Elliot Chang | Co-Founder | Leadership |
Complete people profiles for Eion
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Timeline of Eion
4 dated milestones of Eion across 5 years, from founding to its latest funding, stage changes and deals.
- Founded Eion is founded.
- Funding First funding round of $12.0M.
- Funding Latest funding round, Grant, of $200K.
- Exit Acquired by Terradot.
Competitors of Eion
Eion operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Terradot, Alt Carbon, InPlanet, Everest Carbon and Cascade Climate, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| terradot.earth | 2023 | Stanford, United States | $62.2M | – | Carbon removal is facilitated via enhanced rock weathering technology. | |
| alt-carbon.com | 2023 | Kolkata, India | $12.55M | – | Enhanced rock weathering solutions for CO2 removal are provided. | |
| inplanet.earth | 2022 | Munich, Germany | $5.84M | – | Carbon removal projects are developed by InPlanet for climate mitigation. | |
| everestcarbon.com | 2022 | San Francisco, United States | $3M | – | Carbon removal solutions are developed via enhanced weathering measurements. | |
| cascadeclimate.org | 2007 | Somerville, United States | – | – | Nonprofit advancing climate interventions through research, policy, and cross-sector collaboration. | |
| mati.earth | 2022 | Houston, United States | – | – | Provider of carbon removal solutions through focus on Indian rice paddy small-holder farmers | |
| aeroc.earth | 2024 | Cologne, Germany | – | – | Provides rock weathering services to sequester CO2 and improve farm soil health. | |
| tropicarbon.com | 2023 | – | – | – | Removes CO2 with rock dust on Colombian farms for climate mitigation. |
Detailed competitors of Eion
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- Full competitor set
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Web traffic of Eion
The website of Eion (eioncarbon.com) receives about 3.5K visits a month.
- Monthly visits3.5K
▲ 55% vs previous month
Latest news on Eion
Complete news archive for Eion
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
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Similar companies to Eion
10 companies that operate in the same segment as Eion (Pollution & Air Quality Systems), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Platform for enterprise sustainability measurement, reporting, and action is provided. | 2019 | San Francisco, California, United States | USD 184.96 M | – | 295 | |
Weather intelligence and forecasting solutions are provided for industries. | 2016 | Boston, Massachusetts, United States | USD 374 M | – | 115 | |
Carbon dioxide is converted into products via renewable energy technology. | 2015 | Berkeley, California, United States | USD 472.37 M | – | – | |
Independent ratings and risk analytics for carbon projects are provided. | 2020 | London, England, United Kingdom | USD 109.21 M | – | – | |
Carbon dioxide is captured from the atmosphere by Carbon Engineering. | 2009 | Squamish, British Columbia, Canada | USD 107.06 M | – | – | |
Cloud-based solutions for crop management and analytics are offered. | 2016 | Durham, North Carolina, United States | USD 60.75 M | – | 103 | |
Microbe-based plant protection products and yield optimization services are provided. | 2013 | Boston, Massachusetts, United States | USD 1.4 B | – | – | |
Provider of modular carbon capture technology and industrial decarbonization solutions | 2009 | London, England, United Kingdom | USD 248.83 M | USD 7.24 M | – | |
Carbon footprints are tracked via an online platform for users. | 2010 | Wellington, New Zealand | USD 26.27 M | – | – | |
A platform for logistics emissions calculation and reporting is provided. | 2021 | London, England, United Kingdom | USD 14.5 M | – | 20 |
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Frequently Asked Questions about Eion
Eion was founded in 2021 and raised its 1st funding round 1 year after it was founded.
Eion is headquartered in Princeton, United States. It is registered at Princeton, New Jersey, United States.
Eion is a funded company, having raised a total of $12M across 2 funding rounds to date. The company's 1st funding round was a Series A of $12M, raised on Dec 2022.
Eion was founded in 2021 in Princeton, United States, and operates in the carbon removal sector focused on agriculture. Specialized minerals are pulverized and applied to farmland to accelerate natural CO2 sequestration processes. Soil health is improved as a byproduct, with operations integrated into existing farming practices. A patented measurement method is employed to verify carbon removal outcomes, supporting scalable sequestration efforts in rural areas.
Eion's top competitors include Alt Carbon, Terradot and Everest Carbon.
Eion has 11 investors. Key investors include Sibelco, Terradot, Orion Corporation, OSTI.GOV, and AgFunder.
Yes. Eion was acquired by Terradot in February 2026.