Key facts
- Attestable’s last known valuation is $71.0M (Nov 2025).
- It has raised $18.5M; the latest was Seed Round ($18.5M) in Nov 2025.
- Notable investors include TLV Partners.
- Status: Privately Held (backing).
Investors
1- ·The complete investor list — 1 names
- ·Watchlist + deal alerts for Attestable
- ·The full record, as it builds
Funding rounds
No funding rounds for Attestable are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Attestable
Developer of AI trust-layer technology designed to ensure system integrity. The company verifies models, prompts, and outputs, enabling organizations to secure AI use and prevent malicious tampering.
- Sector
- Information Technology
- Founded
- 2025
- Employees
- 3
- Website
- attestable.com/
- Ownership
- Privately Held (backing)
Attestable doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Attestable shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Attestable in its N-PORT filings yet. We sweep new filings monthly.