# Siemens acquires DownStream Technologies

Siemens acquired DownStream Technologies, a company that builds software for PCB design-to-manufacturing preparation, to strengthen its electronics design tools.

- Type: Acquisition
- Announced: 2025-04-10
- Where: Plano, Texas, United States
- Status: announced
- Products: PCB design software
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Siemens](https://endata.com/companies/301.md) (acquirer)
- [DownStream Technologies](https://endata.com/companies/84094.md) (target)
- [Excellicon](https://endata.com/companies/84815.md) (target)

## Sources

- [allaboutcircuits.com](https://www.allaboutcircuits.com/news/semiconductor-companies-make-strategic-acquisitions-to-bolster-portfolios/), 2025-04-10: "Siemens has bought Downstream Technologies, a company that builds software to prepare PCB designs for manufacturing."
- [design-reuse.com](https://www.design-reuse.com/news/202501688-semiconductor-companies-make-strategic-acquisitions-to-bolster-portfolios-/), 2025-04-11: "Siemens has bought Downstream Technologies, a company that builds software to prepare PCB designs for manufacturing."
- [news.siemens.com](https://news.siemens.com/en-us/siemens-to-acquire-excellicon/), 2025-05-19: "Effective timing constraints management is crucial for the overall success of semiconductor system-on-chip designs."

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