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TAU Systems

Austin, TX · Founded 2021 · Privately Held (backing)

Developer of a compact particle accelerator designed to transform access to high-performance research tools across science and industry. TAU Systems is based in Austin, TX and was founded in 2021. It was valued at $70 million at its seed round in Apr 2025, the last priced event on record. It has raised $35 million across 1 recorded round; the latest was a $12.5 million early-stage round in Mar 2025.

PMV mark · valuation
$70.0M
Oct 2026
Priced at
its seed round
Apr 2025
Total raised
$35.0M
Last round
Early Stage VC
Mar 2025

TAU Systems key facts

as of Oct 2026
  • Developer of a compact particle accelerator designed to transform access to high-performance research tools across science and industry.
  • TAU Systems is valued at approximately $70.0M as of Oct 2026, set at its seed round, Apr 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $35.0M across 1 recorded rounds; the latest was Early Stage VC ($12.5M) in Mar 2025.
  • Notable investors include Alumni Ventures, Impact Venture Capital, Team Global Management, Audacia, Global Venture Bridge — 9 tracked in total.
  • TAU Systems has filed 1 Form D with the SEC, most recently Apr 2025 ($12.5M sold to 7 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$70.0M

Valued at $70.0M at its seed round, Apr 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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TAU Systems funding rounds

1 rounds
Mar 2025Early Stage VC$12.5MSEC filing▮
Full funding history →

TAU Systems valuation

TAU Systems was valued at $70 million at its seed round in Apr 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has TAU Systems raised?

TAU Systems has raised $35 million in total; 1 of its rounds is on record. The largest on record was a $12.5 million early-stage round in Mar 2025.

TAU Systems has filed 1 Form D with the SEC, most recently in Apr 2025 ($12.5 million sold to 7 investors).

TAU Systems investors

9 investors are on record for TAU Systems, including Alumni Ventures, Impact Venture Capital, Team Global Management and Audacia. The early-stage round in Mar 2025 drew 7 investors.

About TAU Systems

Developer of a compact particle accelerator designed to transform access to high-performance research tools across science and industry. The company offers advanced laser-based systems and specialized X-ray free-electron lasers with a significantly reduced footprint, enabling researchers, manufacturers, and medical developers to conduct faster experimentation and accelerated innovation.

Sector
Business Products and Services (B2B)
HQ
Austin, TX, United States
Founded
2021
Employees
25
Ownership
Privately Held (backing)

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