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Rainbow.

Fresnes, CA · Founded 2021 · Privately Held (backing)

Developer of a B2B carbon credits certification and transaction platform designed to focus on technology-based, circular economy projects. Rainbow. is based in Fresnes, CA and was founded in 2021. Its last reported valuation was $20.4 million in May 2025. It has raised $7.3 million.

Last reported valuation
$20.4M
Oct 2026
Priced at
—
Total raised
$7.3M
Last round
—

Rainbow. key facts

as of Oct 2026
  • Developer of a B2B carbon credits certification and transaction platform designed to focus on technology-based, circular economy projects.
  • Rainbow. is valued at approximately $20.4M as of Oct 2026 (last reported valuation).
  • It has raised $7.3M; the latest was Seed Round ($5.7M) in May 2025.
  • Notable investors include Techstars, Gaingels, 8VC, Speedinvest, Caffeinated Capital — 20 tracked in total.
  • 2 investment vehicles were formed to buy Rainbow. shares in the last 12 months, reporting $27.7M sold to 4 investors, per SEC Form D filings.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$20.4M

Rainbow.'s last reported valuation, May 2025. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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Rainbow. funding rounds

No rounds on record

No funding rounds for Rainbow. 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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Vehicles formed to buy Rainbow. shares

secondary demand · SEC Form D filings

In the last 12 months, 2 investment vehicles were formed to buy Rainbow. shares, reporting $27.7M sold to 4 investors across 2 sponsors. Most recent filing Mar 2026.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 2 vehicles →

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Companies with the most vehicle activity →

Rainbow. valuation

Rainbow.'s last reported valuation was $20.4 million in May 2025. No priced round, secondary trade or fund mark has surfaced since.

Institutional holders and vehicles

In the last 12 months, 2 investment vehicles were formed to buy Rainbow. shares, reporting $27.7 million sold to 4 investors across 2 sponsors, per SEC Form D filings (most recent Mar 2026).

Rainbow. investors

20 investors are on record for Rainbow., including Techstars, Gaingels, 8VC and Speedinvest. By type, the record holds 7 venture capital firms and 1 family office.

About Rainbow.

Developer of a B2B carbon credits certification and transaction platform designed to focus on technology-based, circular economy projects. The company's platform facilitates the certification of projects in areas such as biogas, the reconditioning of CO2-intensive equipment and bio-sourced construction materials and lists them on a registry connected to a network of carbon credit sales partners, enabling industrial decarbonization projects to earn money to scale to facilitate environmental impact monitoring, reporting and verification.

Sector
Business Products and Services (B2B)
HQ
Fresnes, CA, France
Founded
2021
Employees
30
Ownership
Privately Held (backing)

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