Eion

Food · Princeton, United States · Founded 2020

Carbon removal that checks all the right boxes MoreLess

Eion works with American heartland communities to safely and permanently remove CO2 through enhanced rock weathering (ERW). We figured out how to measure ERW in the field and turn it into a scalable climate solution that removes carbon dioxide, improves soil health, and puts people to work.

Valuation $0–100M

Headcount <100

Total funding $10–50M

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Company overview

Eion company information

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

Status: Operational
Founded: 2020
Headquarters: Princeton, United States
Employees: 43
Open positions: None listed
Dealroom signal: 64.1

Website ↗LinkedIn ↗

client focusb2btechnologyDeep Techsub industryAgriTechbusiness modelManufacturingsectorSustainable Development GoalssectorCarbon Capture and StoragesectorRegenerative AgriculturesectorClimate TechsectorNBSsectorCarbon RemovalsectorHard TechsectorSoil RestorationsectorDT and LSsectorscience-based

Valuation & funding

Eion funding history

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SERIES A✓Equity / VC	Sep 2024	$3M	$60M	AgFunder · Trailhead Capital · Ridgeline · Mercator Partners	↗
SERIES A✓Equity / VC	Dec 2022	$12M	$48M	Orion · SLVC · Carbon Removal Partners · Ridgeline	↗

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Financials

Workforce over time

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

Year	Employees
2026	43
2025	51
2024	51
2023	25
2022	19

Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Eion website traffic

Latest recorded traffic for Eion is 2.6K monthly website visits, up 465.2% over the last three months. Eion's team declined 15.7% over the past year.

Latest monthly visits2.6K 3-month web change+465.2% 1-year team growth-15.7%

Monthly website visits46 observations · Oct 2022–Jul 2026

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Comparisons

Eion 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.

Company	Headquarters	Status	Employees	Total funding	Valuation
INInplanetThe world’s first certified Enhanced Rock Weathering carbon credits—permanently removing gigatons of CO₂ while regenerating tropical soils	Munich, Germany	Operational	92	$6M	$19M
RTRhizocore TechnologiesWe develop high-performance strains of locally-sourced mycorrhizal fungi to improve tree growth, tree health and tree resiliency	Roslin, United Kingdom	Operational
+E+EARTH+Use plants with superpowers, known to clean chemical and carbon pollution	Temse, Belgium	Operational
LBLoam BioDeveloping tech that allows for crops to be inoculated with symbiotic micro-organisms	Orange, Australia	Operational
YSYard StickMeasures soil carbon	Oakland, United States	Operational
TETerraoptimaManaging food waste in Canada	Toronto, Canada	Operational
SESeqanaDeveloper of satellite-based software for nature-based climate solutions to assess soil health. The company specializes in satellite-based monitoring of soil organic carbon (SOC)	Berlin, Germany	Operational
MOMORFOCombines local seeds, biological symbioses, drones and artificial intelligence to sustainably reforest and fight global warming around the world	Paris, France	Operational

Showing 8 of the closest matchesCompare every metric →

Talent graph

Eion's talent

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Team profiled 3 named & role-tagged

Founders /100 quality score

Key operators 1 quality /100

Potential founders likely future founders

Startup mafia alumni-founded startups

Talent movements in · out past 12 months

Source: Dealroom Talent Intelligence.

Investors

13 investors on Eion's cap table

Sourced from Dealroom's funding and investor records.

Series A 12 investors entered at this stage

Orion

SLVC

Carbon Removal Partners

Ridgeline

AgFunder

Mercato Partners

SCR-Sibelco

Trailhead Capital

Overture VC

Mercator Partners

Growmark

Exelon Foundation

Other known 1 additional known investor

Shomik Dutta

Global footprint

Where Eion has talent and traffic

Workforce by country

3 countries with
team presence

🇺🇸 United States70%

🇮🇳 India20%

🇧🇪 Belgium10%

3 countries shown

In the news

Latest news about Eion

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

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Market sentiment

What the market is saying about Eion

An AI-synthesized read of the highest-engagement posts about Eion 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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