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Mirion Technologies

Atlanta, GA, United StatesFounded 2005Industry

Mirion Technologies makes radiation measurement and detection devices, including radiological instrument supervision software, survey probes and wireless personal dosimeters. CBRNE-relevant work is a notable product line according to its website.

What it does

dosimetryradiation detectionpersonal dosimeterradiation survey proberadiological instrumentation software
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Profile

Mirion Technologies is an Atlanta-based radiation detection, measurement, analysis and monitoring company, listed on the New York Stock Exchange under MIR. It was incorporated in 2005, went public in October 2021 through a business combination with GS Acquisition Holdings Corp II, and was previously majority owned by Charterhouse.

More profile

In 2025 it acquired Certrec, a nuclear industry regulatory compliance software business, and agreed to acquire Paragon Energy Solutions, which supplies engineered systems for nuclear power plants and small modular reactors. For 2026 it guides to revenue growth of 22 to 24 per cent including acquisitions.

Its products serve nuclear power, medical, defence and civil protection customers, and its annual report for 2025 is on the SEC register. Contract values for CBRNE and civil protection customers were not read.

Ownership

Publicly listed on the NYSE (MIR) since October 2021; previously majority owned by Charterhouse

Parent: none (publicly listed) (checked)

Sources (5)
Not verified or not found
  • Customer segments beyond nuclear power: not read in these sources.
  • Whether the Paragon acquisition has closed: not checked.
  • CBRNE contract values: not read.
Questions

What does Mirion Technologies do?

Mirion Technologies makes radiation measurement and detection devices, including radiological instrument supervision software, survey probes and wireless personal dosimeters. CBRNE-relevant work is a notable product line according to its website.

Where is Mirion Technologies based?

HQ (as found): Atlanta, GA. HQ country: US.

Who owns Mirion Technologies?

Publicly listed on the NYSE (MIR) since October 2021; previously majority owned by Charterhouse. Parent: none (publicly listed) (checked)

Profiles are compiled from public sources and sampled-checked, not fully audited. Last verified 17 October 2026. Report a correction