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Cactos

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Develops world's first cloud-controlled, distributed battery energy storage system based on recycled EV batteries

Muhos, FinlandFounded 2021Energy
Valuation $50–100M Last recorded · 2026
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Cactos and the history behind them.

About Cactos

Cactos is a Finnish startup that offers an innovative energy storage system, providing a new way to purchase and use energy. The company operates in the energy market, serving both residential and commercial clients. Its primary product, the Cactos One, acts as an insurance against electricity price fluctuations and supply uncertainties, while also reducing costs and carbon footprint.

Cactos One operates automatically, requiring no intervention from the user. It intelligently alternates between charging during cheaper hours and releasing energy during peak hours. This helps clients reduce additional costs caused by peak-hour electricity consumption. For businesses that do not operate round-the-clock, this system can significantly cut down energy costs.

Moreover, Cactos One stores locally produced green energy, such as solar power, for days when it is most needed, like on cloudy and windless days when electricity is typically more expensive. This feature reduces the user's dependence on the variability of energy production.

Cactos One also functions as an active backup power source, predicting future events using artificial intelligence and machine learning. It constantly monitors consumption data and weather forecasts to prepare for potential power outages, ensuring that users are never caught off guard by a lack of electricity.

The company's business model is based on selling these energy storage systems. By helping users save on energy costs and providing a reliable backup power source, Cactos generates revenue from the sales of its product.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2021
Headquarters
Muhos, Finland
Employees
78
Open positions
None listed
Dealroom signal
89.7/100
Sub-industry
Energy Storage
Sector
Energy, Lithium-Ion Batteries, Sustainable Development Goals, EV Battery, Climate Tech, Stationary Energy Storage, Electric Mobility, Circular Economy, Energy Trading
Technology
Artificial Intelligence, Hardware, Deep Tech
Business model
Manufacturing
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VCOther financing Jun 2026 $14M $55M Hyundai Motor Company · FJ Labs · Candor Ventures · Silence VC ↗
EARLY VCOther financing Feb 2025 $7.7M $143M Superhero Capital · Union Square Ventures ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

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

YearRevenueGrowth
2026
2025
2024
2023 —
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Growth signals

Cactos website traffic

Latest recorded traffic for Cactos is 40 monthly website visits, down 98.3% over the last three months. Cactos's team declined 1.3% over the past year.

Latest monthly visits40 3-month web change-98.3% 1-year team growth-1.3%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

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

12 investors on the cap table

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

Seed1 investor entered at this stage

  • Superhero Capital

Series A11 investors entered at this stage

  • Finnish Climate Fund
  • OP Financial Group
  • Union Square Ventures
  • Hyundai Motor Company
  • FJ Labs
  • Candor Ventures
  • Silence VC
  • Random Ventures
  • jtel Teleconnections
  • Tesi
  • Jutel
Team profiled 9 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 6 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
5 countries with
team presence
🇫🇮 Finland91.4%
🇸🇪 Sweden3.5%
🇪🇪 Estonia1.7%
🇳🇴 Norway1.7%
🇳🇱 Netherlands1.7%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Cactos 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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