# Attestable

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/attestable

- Industry: IT Security/Cybersecurity
- Headquarters: Tel Aviv, Israel
- Total disclosed funding: $20M
- Latest round: Seed (Aug 12, 2026)
- Investors on record: 6

## About

Founded in 2025 and co-founded by Yogev Bar-On (CEO), Shahar Papini (CTO), and Shahar Samocha, Attestable Inc. develops AI trust-layer technology that verifies models, prompts, and outputs to secure AI use and prevent tampering. In August 2026, Attestable raised USD 20 million in seed funding co-led by Altimeter Capital and TLV Partners, with participation from Cerca Partners, Netz Capital, Zero Knowledge Ventures and Halcyon Futures. The company will use the funding to build a universal AI verification layer and advance Zero-Knowledge Proof-based verification technology.

## Funding rounds

- Seed, Aug 12, 2026, $20M — Altimeter Capital, TLV Partners, Cerca Partners, Zero Knowledge Ventures, Halcyon Futures, Netz Capital

## Investors

- Altimeter Capital (https://capitalatlas.ai/funds/altimeter-capital) — Seed
- TLV Partners (https://capitalatlas.ai/funds/tlv-partners) — Seed
- Cerca Partners (https://capitalatlas.ai/funds/cerca-partners) — Seed
- Zero Knowledge Ventures — Seed
- Halcyon Futures (https://capitalatlas.ai/funds/halcyon-futures) — Seed
- Netz Capital (https://capitalatlas.ai/funds/netz-capital) — Seed