NEWCaplight raises a $16M Series A, led by BlackRock and Fin Capital →
Skip to main content
Caplight Logo









GeoKiln

GeoKiln

Private
Houston, TexasEnergy & Sustainabilityhttps://geokiln.com/

Last Round

Accelerator

Nov 26, 2025

Total Funding Raised

$600,000

Momentum

Top 50%

of companies Caplight tracks

Company Overview

GeoKiln is a clean technology company developing a process called Manufactured Subsurface Hydrogen (MSSH™) to produce clean hydrogen by stimulating natural geologic reactions in iron-rich rock formations using precision electrical heating.

Sector

Energy & Sustainability

Verticals

Alternative Fuels, Renewable Energy, Clean Manufacturing

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

Manufactured Subsurface Hydrogenin-situ hydrogen productionMSSHsubsurface hydrogencleantechgeologic hydrogenclean hydrogenorange hydrogensubsurface reactorthermochemical processdownhole heatersdecarbonization technologyoil and gas technologywhite hydrogengold hydrogen

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

GeoKiln Comps

Public and private peers based on sector, stage, and business model.

GeoKiln comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

View Full Comps Set

Access detailed peer comparisons, multiples, and valuation benchmarks.

GeoKiln Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorNov 26, 2025
AcceleratorMar 13, 2025
View all Funding Rounds

Key People

Founding team and executive leadership

Alexei Tcherniak

Founder and CEO

Founding Team

Natalia Branch

Chief Financial Officer

Executive Team

Ernesto Fonseca

Chief Operating Officer

Executive Team

GeoKiln Investors

Notable investors and investment history

GeoKiln investors
InvestorRounds
Grid CatalystAccelerator
View all Investors

Market signals

Structured signals derived from secondary market and firmographic data.

  • May 14, 2026

    Grew 57% QoQ, from 7 to 11 employees.

  • Apr 27, 2026

    Grew 43% QoQ from 7 to 10 employees.

View all signals

GeoKiln Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

GeoKiln Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about GeoKiln's valuation, stock price, and market status.

Firmographic Details

HeadquartersHouston, Texas
Employee Range11
Year Founded2023
Last FundingNov 26, 2025

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.