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









ProtiumTech

ProtiumTech

Private
RigaEnergy & Sustainabilityhttps://protiumtech.com/

Last Round

Accelerator

Sep 18, 2025

Total Funding Raised

$300,000

Company Overview

ProtiumTech is a cleantech company that develops membrane-free decoupled water electrolysis systems for efficient and cost-competitive green hydrogen production.

Sector

Energy & Sustainability

Verticals

Alternative Fuels, Energy Storage

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

green hydrogenwater electrolysiselectrolyzerdecoupled electrolysismembrane-free electrolyzerhydrogen productioncleantechpower-to-xhydrogen hardwaredecarbonizationenergy storageH2 productiongreen H2hydrogen techdeeptech

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.

ProtiumTech Comps

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

ProtiumTech 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.

ProtiumTech Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorSep 18, 2025
AcceleratorApr 10, 2025
AcceleratorFeb 7, 2025

ProtiumTech Investors

Notable investors and investment history

ProtiumTech investors
InvestorRounds
Beamline AcceleratorAccelerator
Plug and Play Tech CenterAccelerator
DEPO VenturesAccelerator
Repsol FoundationAccelerator

ProtiumTech 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

ProtiumTech Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersRiga
Year Founded2023
Last FundingSep 18, 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.