StartupHistory

An open directory of startups through time

Public records · dated sources
Free to read. Free to reuse.

Company records / cocooncarbon.com

Cocoon

Cocoon (cocooncarbon.com): 2 changes recorded in its website history since August 2023. Homepage last checked 5 November 2026.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

  1. HeadlineBetween and
    BeforeGreen steel, clean cement
    AfterLow-carbon construction materials for the builders of tomorrow

    Observed on the company’s website; business claims are not independently verified.

  2. HiringBetween and

    Added a careers page.

    Observed on the company’s website; business claims are not independently verified.

First recorded website

Observed 25 March 2024

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

Green steel, clean cement

Carbon capture for heavy industry; low-carbon construction materials for the builders of tomorrow.

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. February 2026 – November 2026 · 4 captures · latest observed messagingLow-carbon construction materials for the builders of tomorrow

    Low carbon construction materials for the builders of tomorrow.

    This wording observed 5 November 2026.

    Inspect 4 captures in this group
    • 3 February 2026 · Low-carbon construction materials for the builders of tomorrow archived page
    • 16 April 2026 · Low-carbon construction materials for the builders of tomorrow archived page
    • 14 July 2026 · Low-carbon construction materials for the builders of tomorrow archived page
    • 5 November 2026 · Low-carbon construction materials for the builders of tomorrow current websiteHistorical capture not publicly available
  2. March 2024 – March 2025 · 4 capturesGreen steel, clean cement

    Carbon capture for heavy industry; low-carbon construction materials for the builders of tomorrow.

    This wording observed 20 March 2025.

    Inspect 4 captures in this group

Cite this record

StartupHistory, “Cocoon” company record, https://startuphistory.org/c/cocooncarbon.com

Machine-readable: /c/cocooncarbon.com.json. How changes are found: method.