StartupHistory

An open directory of startups through time

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

Company records / magratheametals.com

Magrathea Metals

Magrathea Metals (magratheametals.com): 3 changes recorded in its website history since March 2022. Homepage last checked 6 November 2026.

Recorded changes

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

  1. HeadlineBetween and
    BeforeSecuring supply for your
    AfterScaling American Magnesium Supply Security

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

    earlier archived pagelater archived pageLink to observation
  2. HeadlineBetween and
    BeforeMetal without Mining ™
    AfterSecuring supply for your

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

    earlier archived pagelater archived pageLink to observation
  3. HiringBetween and

    Added a careers page.

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

    earlier archived pagelater archived pageLink to observation

First recorded website

Observed 30 January 2023

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

Metal without Mining

archived pageLink to first observation

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. July 2025 – November 2026 · 4 captures · latest observed messagingScaling American Magnesium Supply Security

    Magrathea is rebuilding America's magnesium supply chain, producing primary magnesium metal from seawater and brines with a new electrolytic process.

    This wording observed 6 November 2026.

    current websiteHistorical capture not publicly available
    Inspect 4 captures in this group
    • 12 July 2025 · Securing supply for your archived page
    • 8 January 2026 · Securing supply for your archived page
    • 20 October 2026 · Scaling American Magnesium Supply Security archived page
    • 6 November 2026 · Scaling American Magnesium Supply Security current websiteHistorical capture not publicly available
  2. January 2023 – January 2025 · 5 capturesMetal without Mining ™

    This wording observed 2 January 2025.

    archived page
    Inspect 5 captures in this group
Summary of the record · AI-written

Written by an AI model on 7 November 2026 from the dated observations above; this is not the date the changes happened; each point links to the changes it rests on.

Magrathea Metals refines homepage messaging on supply security

Magrathea Metals has updated its homepage headlines, now highlighting American magnesium supply security, and has added a careers page to its website.

  • Between September 2023 and February 2024, Magrathea Metals added a careers page to its website. [1]
  • Between January 2025 and July 2025, the homepage headline changed from “Metal without Mining ™” to “Securing supply for your”. [2]
  • Between January 2026 and October 2026, the homepage headline changed from “Securing supply for your” to “Scaling American Magnesium Supply Security”. [3]
  • Reading: The evolution of homepage headlines toward “Scaling American Magnesium Supply Security” may suggest an increased emphasis on magnesium-related supply security in the company’s messaging. [2][3]

Cite this record

StartupHistory, “Magrathea Metals” company record, https://startuphistory.org/c/magratheametals.com

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