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one.five

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AI-powered platform for sustainable packaging solutions.

Hamburg, GermanyFounded 2020eCommerce & Marketplaces
Valuation $50–100M Last recorded · 2026
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for one.five and the history behind them.

About one.five

one.five is a German company that develops sustainable packaging solutions to replace single-use plastics for the consumer goods industry. Founded in Hamburg in 2020 by Martin Weber and Claire Hae-Min Gusko, the company's name is a reference to the Paris Agreement's goal of limiting global warming to 1.5 degrees Celsius above pre-industrial levels. Both founders gained relevant experience in the green-tech sector during their time at the vertical farming startup Infarm, where Weber was the CFO and Gusko was the Head of Business Strategy. They identified the challenge of finding sustainable packaging as a significant bottleneck for consumer brands.

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The company operates a materials-agnostic, AI-powered platform named Quartermaster, which acts as a packaging co-pilot. This platform scans material science patents and research globally to discover dormant intellectual property and innovative biomaterials. By using generative AI, one.five accelerates the research and development process, reducing the typically high failure rate and costs associated with creating new packaging. The system analyzes factors such as technical performance, regulatory compliance, and cost targets to engineer market-ready solutions. This approach enables the development of tailor-made packaging recipes for clients that balance performance, affordability, and sustainability.

one.five's business model involves identifying the needs of Fast-Moving Consumer Goods (FMCG) companies, developing customized packaging solutions, and then licensing the final recipe to packaging manufacturers for large-scale production. This allows clients to integrate the new solutions into their existing supply chains. The company's own 5,000 m² R&D campus near Hamburg includes facilities for algae cultivation, fermentation, prototyping, and testing, allowing them to scale technologies from concept to commercial viability. Their product range includes recyclable paper overwrappers and leakage-safe sachets for liquid food products. These materials are designed to be "litter-proof," meaning they can biodegrade in soil or marine environments if not recycled.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2020
Headquarters
Hamburg, Germany
Employees
41
Open positions
None listed
Dealroom signal
61.3/100
Sub-industry
Food Logistics & Delivery, In-store Retail & Restaurant Tech
Sector
eCommerce & Marketplaces, Biotechnology, Core AI, Plastic, Seaweed, Sustainable Packaging, Sustainable Development Goals, Bioplastic, Climate Tech
Technology
Artificial Intelligence
Business model
Marketplace & ecommerce
Client focus
b2b, b2c

Funding history

6 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC Jan 2026 $15M $62M Speedinvest · KIMPA - Impact Investing · Green Generation Fund · 212 NexT ↗
SEED✓Equity / VC Mar 2025 — — Symbia VC —
Showing the latest 2 of 6 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowthProfitMargin
2026
2025
2024
2023
2022 —
2021 — — —
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Growth signals

one.five website traffic

Latest recorded traffic for one.five is 2.7K monthly website visits, down 66.3% over the last three months. one.five's team declined 10.9% over the past year.

Latest monthly visits2.7K 3-month web change-66.3% 1-year team growth-10.9%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

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Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

29 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed9 investors entered at this stage

  • First Momentum Ventures
  • Revent Capital
  • Planet A Ventures
  • WEPA
  • Climentum Capital
  • Speedinvest
  • Green Generation Fund
  • Next I SCSp
  • Symbia VC

Series A5 investors entered at this stage

  • Dr. Hans-Riegel Stiffing
  • KIMPA - Impact Investing
  • 212 NexT
  • Btomorrow Ventures
  • Zubi Capital

Other known investors15 additional known investors

  • EIT RawMaterials
  • Auxxo Female Catalyst Fund
  • Blue Horizon
  • German Accelerator
  • Goodface Capital
  • Kobi Marenko
  • Lauren Lentz
  • Lian Michelson
  • Marcel Doeppes
  • Mario Lebherz
  • Maximilian A. Schwarz
  • Nucleus Capital
  • Peter Dorfner
  • WestTech Ventures
  • Xavier Sarras
Team profiled 11 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
6 countries with
team presence
🇩🇪 Germany69.7%
🇪🇸 Spain9.1%
🇮🇹 Italy6.1%
🇫🇷 France6.1%
🇰🇷 South Korea3%
Top 5 of 6 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about one.five on X, ranked by likes and reposts, corporate channels excluded.

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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