Best RLHF Companies

Vendor profileChecked Nov 8, 2026

Sama

Sama · sama.com · Last checked:

  • Managed annotation & preference data
  • Evaluation & red teaming

Company status

Active, privately held; Certified B Corp.

Sources 1, 2 · checked 2026-11-08

Capabilities

  • Text annotation including instruction following, preference ranking, and factuality
  • Model evaluation and data validation
  • Image, video, and 3D point cloud annotation

Sources 1, 2 · checked 2026-11-08

Who it tends to fit

  • Teams wanting an in-house (non-crowd) workforce for preference ranking
  • Programs that need ISO 42001 or TISAX evidence

Sources 1, 2 · checked 2026-11-08

Pricing

Contact vendor

Sources 1, 2 · checked 2026-11-08

Published certifications

  • ISO 9001
  • ISO 27001
  • ISO 42001
  • TISAX
  • AICPA SOC 2 (badges on security page)
  • GDPR compliant as a data processor (stated)

Listed as stated by the vendor. Scope can differ by product or subsidiary; request current reports.

Sources 1, 2 · checked 2026-11-08

Limitations to check

  • No public pricing
  • Preference work is listed within text annotation; ask for LLM-specific QA design and rater expertise

Sources 1, 2 · checked 2026-11-08

Sources

  1. Homepage: text annotation incl. instruction following, preference ranking, factuality; model evaluation; Certified B Corpwww.sama.com/Checked 2026-11-08
  2. Security page: ISO 9001, ISO 27001, ISO 42001, GDPR, TISAX, AICPA SOC-2; does not use crowdsourcingwww.sama.com/data-security-and-trustChecked 2026-11-08

Report a correction: [email protected]. Facts are re-checked at least every 90 days.