Cactos

Helsinki, Finland · Founded 2021 · Privately Held (backing)

Developer of a smart energy storage designed to efficiently utilize renewable energy globally. Cactos is based in Helsinki, Finland and was founded in 2021. Its last reported valuation was $54.6 million in Jan 2025. It has raised $39.4 million.

Last reported valuation
$54.6M
Oct 2026
Priced at
—
Total raised
$39.4M
Last round
—

Cactos key facts

as of Oct 2026
  • Developer of a smart energy storage designed to efficiently utilize renewable energy globally.
  • Cactos is valued at approximately $54.6M as of Oct 2026 (last reported valuation).
  • It has raised $39.4M; the latest was Early Stage VC ($7.3M) in Jan 2025.
  • Notable investors include Union Square Ventures, Silence VC, Superhero Capital, OP Financial Group, Inis Capital Management — 8 tracked in total.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$54.6M

Cactos's last reported valuation, Jan 2025. Nothing priced has surfaced since.

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Cactos funding rounds

No rounds on record

No funding rounds for Cactos are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Cactos valuation

Cactos's last reported valuation was $54.6 million in Jan 2025. No priced round, secondary trade or fund mark has surfaced since.

Cactos investors

8 investors are on record for Cactos, including Union Square Ventures, Silence VC, Superhero Capital and OP Financial Group.

About Cactos

Developer of a smart energy storage designed to efficiently utilize renewable energy globally. The company's distributed energy storage system offers local backup power securing supply during periods of a power outage while supporting the electrification of transportation by providing an end-of-life use for electric vehicle batteries and power grid stability, enabling building owners, tenants in areas of manufacturing, industry, hospitality or retail industry to secure critical power supply.

Sector
Business Products and Services (B2B)
HQ
Helsinki, Finland
Founded
2021
Employees
82
Ownership
Privately Held (backing)

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