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one.five

one.five

Private
HamburgEnergy & Sustainabilityhttps://www.one-five.com/

Last Round

Series A

Jan 19, 2026

Total Funding Raised

$28.26M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

one.five is a materials science company that develops AI-powered sustainable packaging solutions for the consumer goods industry.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Advanced Materials, Circular Economy, Clean Manufacturing

Business Model

B2B

Customer Profile

Services & Consulting, Data as a Service

AI Layer

Application

Keywords

sustainable packagingbarrier coatingsfiber-based packagingplastic-free packaginggreen packagingmaterial scienceeco-friendly packagingpackaging innovationpackaging techcircular economypackaging engineeringAI-powered R&Dmaterial scoutingCPG packagingmaterial informatics

Historical Pricing

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Caplight Momentum Score

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one.five Comparables

Compare one.five with similar companies based on industry and business-model similarity.

one.five comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Xampla
87%
Notpla
82%
Melodea
81%

one.five Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AJan 19, 2026
SeedSep 28, 2022

one.five Investors

Notable investors and investment history

one.five investors
InvestorRounds
Revent CapitalSeed, Series A
Climentum CapitalSeed, Series A
Symbia VCSeries A
KIMPA ImpactSeries A
Planet A VenturesSeed, Series A
212.VCSeries A
Btomorrow VenturesSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 22, 2026

    Monthly visitors increased 35% MoM.

  • May 16, 2026

    Monthly visitors grew 258% MoM, from 2.2K to 8K.

one.five Filings

Explore SEC and related filing metadata, where available.

one.five filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is one.five a public or private company?

one.five is a private company.

What is the current stock price of one.five?

one.five is a private company with no public stock price. No recent secondary market data is available.

How much is one.five worth (valuation)?

Valuation information for one.five is not publicly available.

Can I buy one.five stock?

one.five shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was one.five's last funding round?

one.five's most recent funding round was Series A on January 19, 2026.

Who are the main investors in one.five?

Key investors in one.five include Climentum Capital, Symbia VC, KIMPA Impact, Planet A Ventures, 212.VC.

Will one.five IPO soon?

No public IPO plans have been announced for one.five.

How can I track one.five secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor one.five's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersHamburg
Employee Range33
Year Founded2020
Last FundingJan 19, 2026

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