# Mauser Packaging Solutions acquires Siena Plastics LLC

Mauser Packaging Solutions, a global rigid packaging supplier, acquired Siena Plastics LLC, a manufacturer of small high-performance containers. The deal was reported by law firm Michael Best on December 16, 2025.

- Type: Acquisition
- Announced: 2025-12-16
- Status: completed
- Products: small high-performance containers, rigid plastic packaging
- Sectors: [Packaging](https://endata.com/sectors/packaging.md), [Plastics and Polymers](https://endata.com/sectors/plastics-polymers.md)

## Companies

- [Mauser Packaging Solutions](https://endata.com/companies/4007.md) (acquirer)
- [Siena Plastics](https://endata.com/companies/13821.md) (target)

## Sources

- [michaelbest.com](https://www.michaelbest.com/insights/michael-best-represents-mauser-packaging-solutions-in-strategic-acquisition-of-siena-plastics-llc/), 2025-12-16: "Michael Best represented Mauser Packaging Solutions ("Mauser"), a leading global supplier of rigid packaging products and services, in its acquisition of Siena Plastics LLC, a manufacturer of small high-performance containers."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.