# Rees Scientific

a total-solutions provider for regulated environments offering continuous airborne particle monitoring sensors, positioned around compliance confidence and audit-readiness for pharmaceutical, biotech and advanced research cleanrooms.


Source: https://en.bioecon.ru/companies/rees-scientific/
Updated: 2026-08-15

- Country: United States

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | Acquired by AEA Investors in a buyout in November 2022 | https://app.mergerlinks.com/transactions/2022-11-04-rees-scientific/dealmakers, https://mergr.com/company/rees-scientific/ownership, https://thelancergroup.com/insight/aea-sbpe-partners-with-rees-scientificc/ |
| Headcount | Over 230 employees globally (as of 2026/09/01); alternatively reported as 136 employees and 125 employees in other sources | https://reesscientific.com/about-us |
| Certification | ISO 9001:2015 certified and ISO/IEC 17025:2017 accredited | https://reesscientific.com/, https://reesscientific.com/about-us, https://reesscientific.com/industries/department-defense-dod-facilities, https://reesscientific.com/industries/pharmaceutical-and-biotechnology-environmental-monitoring |
| Regulatory approval | Systems are Title 21 CFR part 11 compliant and carry an Authority to Operate (ATO) on DoD networks | https://reesscientific.com/about-us, https://reesscientific.com/industries/department-defense-dod-facilities |
| Production site | Headquarters and manufacturing in Trenton, New Jersey, United States | https://reesscientific.com/about-us |

Independent sources: app.mergerlinks.com, mergr.com, thelancergroup.com

## Technologies

- [Cleanroom environmental monitoring systems](https://en.bioecon.ru/technology/cleanroom-environmental-monitoring/)