Your data is valuable. We treat it like it’s priceless.
Whether your training data includes voice transcripts, user interactions, personal health information, or proprietary assets, the message is the same: your data is your competitive edge — and your compliance risk.
At Sigma, we’ve built a security-first foundation for AI development. We’re trusted by some of the most privacy-conscious companies in the world because we treat every dataset like it contains sensitive, regulated, high-value information.
We are ISO27001 and SOC 2 Type II certified, 100% GDPR compliant, and equipped with deep expertise in global data governance. But more than that, we’re committed to helping you build safe, ethical, human-centered AI systems from day one.
Data protection at every level: our three-layer approach
1. Policy and compliance
We don’t just follow global standards — we help shape them. Sigma’s privacy posture is built on frameworks that guide responsible data use across jurisdictions:
- GDPR compliance: We support lawful processing, consent tracking, and data minimization for all personal data projects.
- HIPAA and PHI: Our practices meet U.S. healthcare standards for de-identified data and secure access.
- Custom privacy governance: We partner with your legal, procurement, and security teams to tailor risk and compliance protocols.
→ Learn more: Preparación de datos 101
2. Process and infrastructure
All Sigma workflows, from data ingestion to annotation to delivery, are designed with a “zero-trust” mindset.
- Role-based access controls and strict device lockdown
- Private work environments (no crowdsourcing, ever)
- Vetted annotators with NDAs and background checks
- Redundant secure storage and transport encryption
- Chain-of-custody tracking for sensitive datasets
→ Learn more: Designing secure facilities: Annotating user data
3. Technology and facility design
Our platform and on-premise facilities are built for data isolation and resilience:
- Secure annotation infrastructure blocks external file sharing, print access, and software installs
- Cybersecurity controls include endpoint hardening, penetration testing, and log monitoring
Seguridad física spans 24/7 video surveillance, entry screening, and controlled access zones
Certified. Audited. Proven.
✅ ISO/IEC 27001 Certified
We maintain a fully compliant Information Security Management System (ISMS), including continuous risk analysis, asset controls, access policies, and operational safeguards.
✅ SOC 2 Type II Certified
We undergo independent audits based on five trust principles: security, availability, confidentiality, processing integrity, and privacy. This validates not just our systems, but also how we operate every day.
→ Learn more: Minimizar los riesgos de la anotación de datos subcontratada
GDPR and global privacy: How we help you stay compliant
GDPR is one of the world’s most rigorous privacy frameworks — and for good reason. It requires companies to:
- Minimize and explain data collection
- Obtain clear, informed user consent
- Maintain documentation for all processing activities
- Honor data subject rights (e.g. erasure, access, correction)
At Sigma, we don’t just meet these standards — we help you design workflows that are fully compliant from day one. Our in-house legal, privacy, and data ethics experts advise clients on:
- Consent language and opt-in design
- Data anonymization and pseudonymization strategies
- Retention timelines and data subject rights
We also support GDPR-adjacent standards, including the EU AI Act, HIPAA, and data sovereignty requirements across Latin America, the Middle East, and APAC.
Privacy-first innovation: Secure AI training and evaluation
We build secure solutions that let you:
- Train multilingual models with real-world user data — while protecting identity and consent
- Annotate sensitive datasets (e.g. clinical notes, customer service logs) in high-security environments
- Apply synthetic data where feasible to reduce risk while increasing coverage
→ Learn more: Synthetic data: types, challenges, and benefits
We protect your data like it’s our own
Your training data is a strategic asset — and a responsibility. When you partner with Sigma, you get more than a security checklist. You get:
- A full-stack privacy partner who understands global regulations
- A security-first infrastructure trusted by leading enterprises
- A human-in-the-loop workforce that’s accountable, vetted, and trained on data ethics
If you’re building the future of AI, you need a data partner who understands the risks, the stakes, and the standards. That’s Sigma.