A Leading Data Annotation Company in India

Highly Accurate, Consent-First AI Training Data - Image, Video, Text, Audio and 3D / LiDAR Labeling, Delivered from India at Global Quality

If you are comparing the best data annotation companies in India, HaiData pairs up to 99% accuracy with multi-level human-in-the-loop quality control, ethically sourced data, and secure delivery to your own cloud - trusted by AI teams worldwide and a proud member of the NVIDIA Inception Program.

Get a Free Pilot Talk to Us

99%

Annotation Accuracy

Multi-Level

Human-in-the-Loop QC

Data Types Annotated

Global

Delivery from India

Why HaiData is Among the Best Data Annotation Companies in India

Choosing a data annotation partner in India comes down to accuracy, security, ethics, and the ability to scale. HaiData is built around all four - here is what sets us apart from other data annotation companies.

Highly Accurate, Multi-Level QC

Up to 99% accuracy through a multi-level, human-in-the-loop quality control pipeline. SOTA model-assisted pre-labeling plus expert review at every stage, with review percentages configurable per project.

Ethically Sourced, Consent-First

For human-subject data, we capture informed consent from every contributor. Ethically sourced data keeps you compliant and protects your models from provenance risk - a gap most annotation vendors ignore.

Tech-Enabled: Custom, Secure Platforms

HaiData is a tech-enabled company, not just a managed service. We build and host our proprietary HaiCrowd platform, customize it to your workflow, and deploy a highly secure, scalable environment rapidly, with collection, annotation, and live multi-level QC in one place.

Secure Own-Cloud Delivery

We follow GDPR-aligned data-handling practices and can deliver annotated data directly to your own cloud storage, so your sensitive data never has to leave your environment.

India Cost Advantage, Global Standards

A large, skilled, multilingual workforce in India gives you a significant cost advantage without compromising quality - and delivery standards built for AI teams worldwide.

NVIDIA Inception Member

HaiData is a member of the NVIDIA Inception Program - a third-party mark of credibility that few Indian data annotation companies carry, backing our work with NVIDIA's AI ecosystem.

Data Annotation Services We Provide

End-to-end labeling across every major data type. Explore each service for the full list of techniques, or see our complete data annotation services.

Image Annotation

Bounding boxes, polygons, semantic and instance segmentation, keypoints and classification for computer vision.

Learn more

Video Annotation

Object tracking, action recognition and frame-by-frame labeling for autonomous systems and analytics.

Learn more

Text and OCR annotation services in India

Text & OCR Annotation

NER, sentiment, intent, classification and LLM training data preparation across languages.

Learn more

Audio Annotation

Speech transcription, speaker diarization, sound and noise labeling for voice AI and NLP.

Learn more

3D point cloud and LiDAR annotation services in India

3D Point Cloud & LiDAR

3D cuboids, segmentation and sensor-fusion labeling for autonomous vehicles and robotics.

Learn more

Data Collection & Sourcing

Custom, consent-based data collection worldwide to build the datasets your models need.

Learn more

Industries we Serve

AI is industry agnostic. So do we!

Automotive

Healthcare

Agri Tech

Retail

Warehousing

And More...

Proud member of

NVIDIA Inception Program

HaiData is a member of NVIDIA Inception, NVIDIA's program supporting startups transforming industries with AI. It is a third-party mark of credibility that few data annotation companies in India carry, and it connects our annotation and data collection work to NVIDIA's technology and global ecosystem.

Learn about NVIDIA Inception

Why India for Data Annotation

India has become the delivery hub for the world's AI training data, and HaiData pairs that national advantage with rigorous, consent-first quality. Here is what an Indian data annotation partner brings that others cannot.

Consent-First & DPDP-Aligned

India's Digital Personal Data Protection Act, 2023 and the DPDP Rules, 2025 establish a consent-first data-protection regime, with core obligations phasing in by 2027. Our informed-consent workflow and Data Fiduciary practices are built for it, so your annotated datasets carry clean provenance.

Multilingual at Scale

India recognizes 22 official (scheduled) languages under the Eighth Schedule of its Constitution, and its 2011 Census recorded 121 languages and over 19,500 mother tongues. That gives us native annotators for multilingual NLP, OCR and speech projects most vendors cannot staff.

Talent, Ecosystem & Timezone

One of the world's largest English-proficient, STEM-educated talent pools, backed by the national IndiaAI Mission, delivers annotation at a fraction of US and EU rates, with substantial daytime overlap with Europe and overnight turnaround for North America.

Frequently Asked Questions

HaiData combines up to 99% annotation accuracy, multi-level human-in-the-loop quality control, ethically sourced and consent-based data, and secure delivery to your own cloud. As a member of the NVIDIA Inception Program, we support AI teams worldwide with image, video, text, audio, and 3D/LiDAR annotation delivered from India at global quality standards.

We deliver up to 99% annotation accuracy through a multi-level quality control pipeline that pairs SOTA model-assisted pre-labeling with expert human review at every stage. Accuracy targets and review percentages are configurable per project to match your model's requirements.

We annotate image, video, text and OCR, audio, and 3D point cloud and LiDAR data - covering bounding boxes, polygons, semantic and instance segmentation, keypoints, object tracking, transcription, NER, and sentiment. See our dedicated service pages for each data type for the full list of techniques.

We follow GDPR-aligned data-handling practices, use secure transfer, and can deliver annotated data directly to your own cloud storage so your data never has to leave your environment. For human-subject data, we capture informed consent from every contributor.

Pricing depends on data type, annotation complexity, and volume, and can be structured per item, per hour, or as a dedicated team. Contact us with your requirements for a custom quote, and we can start with a free pilot so you can validate quality before scaling.

Yes. Our HaiCrowd platform and global contributor crowd let us scale from a few thousand to millions of items while maintaining multi-level QC. We provide clear timelines and throughput estimates during project scoping.

India offers a large, skilled, multilingual annotation workforce at a significant cost advantage, without compromising on quality. HaiData pairs that advantage with global delivery standards, secure own-cloud delivery, and support for clients worldwide.

Yes. We offer a free pilot on a sample of your data so you can evaluate our accuracy, turnaround, and workflow before committing to a larger project. Reach out at info@haidata.ai to get started.

Yes. We align our data-handling with India's Digital Personal Data Protection Act, 2023 and the DPDP Rules, 2025, a consent-first regime with core obligations phasing in by 2027. For human-subject data we capture informed consent, and as a Data Fiduciary we apply purpose limitation, security safeguards, and data-principal rights across our annotation workflows.

Yes. With native annotators across India's 22 official (scheduled) languages and many more of the 121 languages recorded in the 2011 Census, we handle multilingual NER, OCR, sentiment, and transcription projects, including Hindi, Tamil, Telugu, Bengali, Marathi, Kannada, and others.

Ready to Work with a Top Data Annotation Company in India?

Start with a free pilot on a sample of your data and see the accuracy for yourself. For deeper detail, explore our full data annotation services or the HaiCrowd platform. Need to source a dataset too? See why we are also a leading data collection company in India.

Get a Free Pilot Explore All Services

A Leading Data Annotation Company in India

Highly Accurate, Consent-First AI Training Data - Image, Video, Text, Audio and 3D / LiDAR Labeling, Delivered from India at Global Quality