SR
SandRock
Professional Data Labeling

Data Annotation Services

High-quality data labeling and annotation services to power your machine learning models. Expert annotators, rigorous quality control, and scalable workflows for any data type.

10M+
Data Points Annotated
500+
Projects Completed
99.5%
Average Accuracy
24-48h
Turnaround Time

Comprehensive Annotation Services

Professional data labeling across all major data types with industry-specific expertise

Image Annotation

Object detection, segmentation, classification, and keypoint annotation for computer vision models

Services Include

Bounding boxes
Polygon segmentation
Image classification
Keypoint detection
OCR annotation
Text Annotation

NLP data labeling including sentiment analysis, entity recognition, and intent classification

Services Include

Named Entity Recognition
Sentiment analysis
Intent classification
Text categorization
Relationship extraction
Audio Annotation

Speech recognition, audio classification, and sound event detection for audio AI models

Services Include

Speech transcription
Audio classification
Sound event detection
Speaker identification
Emotion recognition
Video Annotation

Frame-by-frame video labeling, action recognition, and temporal event annotation

Services Include

Object tracking
Action recognition
Scene classification
Temporal segmentation
Behavior analysis

Uncompromising Quality Standards

Our rigorous quality control process ensures the highest accuracy for your machine learning models

Expert Annotators

Domain specialists with deep expertise in your industry and use case

500+ certified annotators

Quality Assurance

Multi-layer quality control with consensus scoring and expert review

99.5% accuracy guarantee

Quality Control

Automated quality checks and human validation for consistent results

3-tier validation process

Fast Turnaround

Scalable workforce and efficient workflows for rapid delivery

24-48 hour delivery
Our 5-Step Quality Process
1

Data Intake

Secure upload and requirements analysis

2

Annotation

Expert labeling by certified annotators

3

Review

Independent quality review and validation

4

Consensus

Multi-annotator consensus scoring

5

Delivery

Final QA check and secure delivery

Industry Expertise

Specialized annotation services tailored to industry-specific requirements and compliance standards

Autonomous Vehicles

LiDAR, camera, and sensor data annotation

Healthcare

Medical imaging and clinical text annotation

Retail & E-commerce

Product categorization and visual search

Security & Surveillance

Threat detection and behavior analysis

Agriculture

Crop monitoring and precision farming

Manufacturing

Quality control and defect detection

Enterprise Security & Compliance

Your data security is our top priority. We maintain the highest standards of data protection and regulatory compliance.

SOC 2 Type II certified data handling

GDPR and CCPA compliant processes

End-to-end encryption in transit and at rest

Role-based access controls and audit trails

Secure data centers with 24/7 monitoring

NDA and data processing agreements

SOC 2

Type II Certified

ISO 27001

Information Security

GDPR

Compliant

HIPAA

Ready

Flexible Pricing Options

Choose the service level that fits your project requirements and budget

Standard
From $0.10per annotation
  • Single annotator per task
  • Standard quality review
  • 48-72 hour turnaround
  • Basic reporting
  • Email support
Most Popular
Premium
From $0.18per annotation
  • Dual annotator consensus
  • Expert quality review
  • 24-48 hour turnaround
  • Detailed analytics
  • Priority support
  • Custom guidelines
Enterprise
Custompricing
  • Multi-annotator consensus
  • Domain expert review
  • Rush delivery available
  • Advanced analytics
  • Dedicated account manager
  • Custom workflows
  • On-premise options

Ready to Improve Your Model Accuracy?

Get started with a free sample annotation to experience our quality firsthand. No commitment required.

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