As AI and machine learning continue to transform industries, data annotation has become one of the most essential building blocks for training intelligent systems. From computer vision and natural language processing to autonomous driving, healthcare AI, and generative AI development, labeled data is what powers model accuracy.
India has quickly become a global hub for outsourced data labeling and annotation due to its skilled workforce, multilingual capability, cost efficiency, and strong AI adoption ecosystem. Whether you’re building an MVP or scaling an enterprise AI program, choosing the right data annotation company in India is critical for model performance, compliance, and long-term efficiency.
Before exploring the best providers, you may want to review:
π AI Training Data Services
π Human-in-the-Loop AI
These explain why annotation workflows directly influence model accuracy.
Below is a curated list of the top data annotation companies in India, based on expertise, scalability, client feedback, and specialization.
1. iMerit Technology Services
π Kolkata | Founded: 2012
iMerit is one of the most recognized global annotation companies with strong footprints in autonomous vehicles, medical imaging, agriculture AI, and geospatial data.
Why iMerit?
- ISO & GDPR compliant workflows
- Human-in-the-loop annotation
- 5,500+ trained employees
- Trusted by Microsoft, Samsung, eBay
2. Zilo Services Pvt. Ltd.
π Bangalore | Founded: 2019
Zilo Services has quickly emerged as one of the fastest-growing data annotation companies in India, offering large-scale managed labeling teams for NLP, ASR, image, text, and voice annotation.
Why Zilo Services?
- Text annotation in 15+ global languages (German, Arabic, Turkish, Dutch & more)
- 5,000+ fully managed labeling experts
- 15+ million annotated data points across Retail, BFSI, Healthcare
- Strong specialization in ASR training data, conversational AI, sentiment classification, and multilingual labeling
If your annotation requirement overlaps with AI hiring or NLP development, also explore:
π AI Staffing Solutions
π Multilingual Translation Services
3. Shaip
π Ahmedabad | Founded: 2019
Best known for healthcare annotation and compliance-driven AI datasets.
Why Shaip?
- HIPAA & ISO 27001 certified
- Healthcare transcription and de-identification
- Multilingual audio annotation
4. SmartOne (formerly Flatworld Solutions AI)
π Bengaluru | Founded: 2002
SmartOne specializes in industry-grade annotation for autonomous driving, agriculture, and retail.
Why SmartOne?
- 2D/3D bounding box & polygonal segmentation
- Scalable multilingual annotation team
- Secure infrastructure
5. DesiCrew Solutions
π Chennai | Founded: 2007
A pioneer in “impact sourcing,” DesiCrew uses a rural workforce model.
Why DesiCrew?
- Cost-effective, high-quality labeling
- Strong presence in financial & agricultural annotation
- Social impact-driven operations
6. Infolks Group
π Malappuram | Founded: 2016
A specialist in computer vision annotation for autonomous systems and smart surveillance.
Why Infolks?
- Landmark, polygon, semantic segmentation
- ISO 9001:2015 certified
- Precision-focused workforce
7. Cogito Tech LLC
π Noida | Founded: 2011
Cogito has end-to-end labeling services covering vision, text, speech, and NLP annotation.
Why Cogito?
- Hybrid human-machine annotation workflows
- Scalable enterprise support
- Works with healthcare, retail & automotive teams
8. Qualitas Global
π Pune | Founded: 2014
Initially a QA company for gaming, now specializing in autonomous driving & robotics datasets.
Why Qualitas Global?
- LiDAR, radar, and sensor fusion annotation
- Proprietary annotation tools
- Automotive-focused expertise
9. SunTec India
π New Delhi | Founded: 1999
SunTec supports text, speech, and semantic annotation with strong back-office capacity.
Why SunTec?
- 1,500+ trained workforce
- Ideal for text classification, audio transcription & moderation
- Works with e-commerce, real estate & legal sectors
10. Playment (acquired by TELUS International)
π Bengaluru | Founded: 2015
A platform-led annotation company known for LiDAR and advanced computer vision labeling.
Why Playment?
- Enterprise-grade annotation pipelines
- Autonomous driving specialization
- Scales up to millions of annotations
Conclusion
India has solidified its position as a global powerhouse for annotation talentβoffering cost efficiency, massive multilingual capability, strong data infrastructure, and flexible workforce scaling.
Whether you’re a startup building your AI POC or an enterprise scaling complex systems, these top data annotation companies in India can support diverse requirements including:
- Computer Vision
- NLP & ASR
- LLM fine-tuning
- Voice datasets
- Industry-aligned training workflows
Before you finalize a partner, consider:
β Industry specialization
β Security & compliance
β Workforce scale
β Tool compatibility
β Required annotation accuracy
If you’re still exploring processes behind large-scale labeling, these articles help:
π Data Annotation Platform
π Data Annotation Software
Need Help Getting Started?
If you’re evaluating annotation outsourcing or multilingual datasets, Zilo Services offers flexible pilots and enterprise-grade project execution.
π© Email: sharath@ziloservices.com
π Website: ziloservices.com