# e2f, inc.

> e2f is a Silicon Valley language and AI data company founded by Michel Lopez in 2004. Now operating as TrustScale, it combines multilingual expertise, data services and evidence-based software to evaluate AI outputs and support model improvement.

- **Founded:** 2004
- **Headquarters:** Los Altos, United States
- **Founders:** Michel Lopez (Founder; listed as retired on the current TrustScale team page)
- **Products:** Translation and localization, AI data services, e2f Connect, Argus, ArgusRL
- **Notable:** Reported completion of a 1.77-million-word, six-language localization project in ten days with Lilt in 2016., Contributed to Intento’s 2024 evaluation of 52 machine translation engines and LLMs., Announced Argus in August 2026 and ArgusRL in September 2026.

## Products & services

- **Translation and localization** — Human and technology-assisted language services, including quality review and integrated translation workflows.
- **AI data services** — Collection, transcription, annotation, multilingual datasets, evaluation and specialist review for AI development.
- **e2f Connect** — Earlier API offering for human evaluation and annotation; published task tiers were $2.99, $5.99 and $8.99. Historical pricing, not a current TrustScale quote.
- **Argus** — AI assurance software that checks generated claims against evidence and presents flags and suggested corrections. Launch announced August 5, 2026.
- **ArgusRL** — API-backed evaluation and reinforcement feedback service with claim-level evidence and escalation to human annotators. Launch announced September 23, 2026.

## Achievements

- Reported completion of a 1.77-million-word, six-language localization project in ten days with Lilt in 2016.
- Contributed to Intento’s 2024 evaluation of 52 machine translation engines and LLMs.
- Announced Argus in August 2026 and ArgusRL in September 2026.

## Latest updates

- **2026-09** — September 23: announced ArgusRL; reported over 95% acceptance without correction in one unnamed customer deployment. Company-reported result.
- **2026-08** — August 5: announced Argus, initially available in 12 languages, including an individual research preview and enterprise offering.
- **2026-06** — June 16: Lawrence Snapp published Why We Became TrustScale, announcing the transition from e2f.

## Links

- Website: https://www.trustscale.ai/
- LinkedIn: https://www.linkedin.com/company/trustscaleai/
- Twitter/X: https://x.com/e2f_inc
- Instagram: https://www.instagram.com/e2f_inc/
- Facebook: https://www.facebook.com/e2ftranslations

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Profile page: https://yespress.io/e2f-inc
Published by YesPress — https://yespress.io
Last updated: 2026-10-17