Data Annotation Services

Training Data That Powers AI

Training Data That Powers AI

We provide high-quality, large-scale data annotation services across image, audio, video, and text domains to train and validate machine learning models with precision.

Data Annotation Services

  • Bounding box, polygon & semantic segmentation
  • Named entity recognition & intent labelling
  • Sentiment analysis & emotion tagging
  • Landmark annotation for face/body detection
  • 3D point cloud & LiDAR annotation
  • Quality-controlled multi-pass annotation workflows

Why Choose Our Data Annotation Services?

Certified Experts

Industry-certified professionals with deep domain expertise delivering consistently high-quality results.

Fast Turnaround

Flexible SLAs with express delivery options — 24/7 operations ensure your deadlines are always met.

ISO 27001 Secure

Your data is protected with enterprise-grade security, NDAs, and strict access control protocols.

Cost-Effective

Reduce operational costs by 40–60% compared to in-house teams without sacrificing quality.

500
Projects Delivered
98
% Accuracy Rate
150
Global Clients
24
7 Support

Frequently Asked Questions

Every annotation task goes through dual annotation + adjudication, achieving inter-annotator agreement (IAA) scores above 95%.
Yes. We operate under strict NDAs, ISO 27001-aligned data security protocols, and can work in air-gapped environments.

Industries We Serve

Our Data Annotation Services solutions are tailored for diverse industries across India, USA, UK, Australia and beyond.

AI/ML Startups
Autonomous Vehicles
Healthcare AI
Retail Tech
Finance
Agriculture
Smart Cities
Defence
E-Commerce
Robotics

How It Works

A structured, transparent process that ensures quality, speed and complete client satisfaction.

01
Project Scoping
Step 1 of the Data Annotation Services delivery process.
02
Annotation Tool Selection
Step 2 of the Data Annotation Services delivery process.
03
Expert Team Assignment
Step 3 of the Data Annotation Services delivery process.
04
Multi-tier QA
Step 4 of the Data Annotation Services delivery process.
05
Client Feedback Loop
Step 5 of the Data Annotation Services delivery process.
06
Scaled Delivery
Step 6 of the Data Annotation Services delivery process.

We scaled from 10K to 1M annotated samples in 3 months. Vortexsoft's capacity and quality are unmatched.

A
Ananya P., ML Director
Vortexsoft Client

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