Looking for right data annotation company for annotating 100,000 Images

AI Discussions
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Hey guys, I’m planning to create a computer vision project that requires annotation of about 100,000 images, and I’m trying to identify the right data annotation partner. For projects of this scale, what should I look for in terms of - Data privacy, scalability, domain, and expertise? Do suggest some good quality level of company.

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Recommended Annotation Providers

1. TaskUs

  • Scalable annotation at enterprise level: ~18 million images/month, 97–98% QA accuracy.

  • Strong security and enterprise-ready services.
    averroes.ai

2. TELUS International (GT Studios / GT Annotate)

  • Massive global workforce (1M+), supports multi-modal data.

  • AI-assisted workflows, strong compliance, dashboards for QA.
    averroes.aiEncord

3. Appen

  • 1M+ global contributors, ISO 9001 quality frameworks.

  • Great for multilingual, diverse datasets; pricing is custom.
    Zilo AIVoxel51

4. Scale AI

  • Hybrid human + ML-powered annotation, high accuracy, excellent for complex CV tasks.

  • Trusted by major tech players, with SOC 2 and ISO certifications.

  • Premium pricing.
    Zilo AIVoxel51gdsonline.techHabileData

5. iMerit

  • 98% accuracy, strong credentials (ISO 27001, HIPAA, GDPR, SOC 2).

  • Experts in medical imaging, AV, geospatial.
    LinkedIngdsonline.tech

6. Damco Solutions

  • Multi-layer QA, 24/7 support, high-quality annotation.

  • Strong privacy posture for sensitive domains like healthcare or traffic systems.
    LinkedIn

7. SunTec.AI

  • HIPAA, ISO, CMMI certified; offers free trial, emphasis on privacy and efficiency.
    LinkedIn

8. CloudFactory

  • Managed workforce with AI tools, auditor model (dual review), SLA-backed turnarounds.

  • ISO 27001 certified, scalable.
    Voxel51

9. V7 Labs

  • User-friendly CV annotation platform with strong privacy focus.
    HabileData

10. Self-Hosted Tools (e.g., CVAT)

  • Fully on-premise, open-source, highly customizable.

  • Ideal if you want full control and privacy, but you must manage annotation capacity yourself.

  • Highly recommended by practitioners:

    “CVAT remains the best option.”
    Reddit
    “CVAT, labelimg, labelme too”
    Reddit

This list of recommendations came fro chatgpt!

2 Likes
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Looking forward to some organic recommendations.

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Thanks, Matthew.

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Removed a reply for self-promotion - the author is linked to one of the vendors.

1 Like
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