Data Annotation & Labeling Serices

Transform raw data into high-quality AI training datasets with our expert annotation workforce. Crowd For AI delivers accurate image, video, audio, text, document, LiDAR, and 3D annotation services to help organizations build smarter AI models faster.

Expert Annotation Teams

Dedicated specialists for Computer Vision, NLP, Speech AI, OCR, and LLM projects.

Enterprise Quality

Multi-level quality assurance with expert review and validation.

Fast Project Delivery

Scale from pilot projects to millions of annotations with flexible workforce solutions.
Physical AI
Speech AI
Computer Vision
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Verified Annotators

Access a global workforce of experienced AI annotators, reviewers, and domain specialists for projects of every size.
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Annotation Services

Comprehensive annotation solutions across Computer Vision, NLP, Speech AI, OCR, LiDAR, and enterprise AI applications.
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Countries Covered

Build diverse, multilingual datasets using contributors across 120+ countries and multiple demographics.
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Annotations Delivered

Delivering accurate, high-quality annotations that power AI training, evaluation, and production-ready machine learning models.

AI Annotation & Labeling Solutions

We provide scalable annotation services for images, videos, audio, text, documents, LiDAR, and 3D datasets. Our experienced workforce follows detailed project guidelines and multi-level quality assurance to produce reliable AI training data.

Image Annotation

Annotate images with precise labels, bounding boxes, polygons, and segmentation masks to improve Computer Vision model performance.

Video Annotation

Label objects, movements, activities, and events frame-by-frame for autonomous driving, surveillance, and video analytics AI.

Audio Annotation

Annotate speech, conversations, environmental sounds, speakers, and emotions to improve Speech AI and voice recognition systems.

Text Annotation

Label sentiment, intent, entities, relationships, and classifications to enhance NLP, LLM, and Generative AI performance.

Document Annotation

Structure invoices, receipts, forms, contracts, and business documents for intelligent document processing and automation.

PDF Annotation

Extract and annotate layouts, text, tables, forms, and images from PDFs for document AI applications.

Bounding Box Annotation

Create accurate bounding boxes for people, vehicles, products, and objects to support object detection models.

Polygon Annotation

Deliver detailed object outlines for precise segmentation in healthcare, agriculture, manufacturing, and autonomous AI.

Cuboid Annotation

Generate 3D cuboid annotations for robotics, autonomous vehicles, warehouse automation, and spatial AI.

Keypoint Annotation

Annotate body joints, facial features, and object landmarks for pose estimation and motion tracking.

Landmark Annotation

Label facial landmarks and object reference points to support facial recognition, biometrics, and AR applications.

Semantic Segmentation

Assign pixel-level class labels to improve scene understanding and environmental perception models.

Instance Segmentation

Identify and separate individual objects with pixel-level precision for advanced Computer Vision applications.

Panoptic Segmentation

Combine semantic and instance segmentation to deliver complete scene understanding for next-generation AI systems.

Pixel Annotation

Produce highly accurate pixel-level annotations for healthcare imaging, autonomous driving, and industrial AI.

Object Detection

Label objects across images and videos to train reliable object detection and recognition systems.

Object Tracking

Track moving objects across video sequences to improve AI models for surveillance, sports analytics, and autonomous systems.

OCR Annotation

Annotate printed text, handwriting, IDs, invoices, receipts, and documents to improve Optical Character Recognition.

Medical Image Annotation

Deliver expert annotation for X-rays, MRI, CT scans, pathology slides, and medical imaging datasets.

Satellite Image Annotation

Annotate aerial and satellite imagery for agriculture, mapping, environmental monitoring, and defense applications.

LiDAR Annotation

Generate high-quality point cloud annotations for autonomous driving, robotics, and digital twin applications.

3D Point Cloud Annotation

Label complex 3D environments for robotics, smart cities, AR/VR, and spatial intelligence systems.

Facial Landmark Annotation

Annotate facial keypoints to improve face recognition, emotion analysis, and biometric authentication.

Emotion Annotation

Label facial expressions, speech, and text with emotional context for conversational AI and sentiment analysis.

Pose Estimation

Annotate skeletal keypoints and human body movements for sports analytics, healthcare, robotics, and fitness AI.

Gesture Annotation

Label hand gestures and human interactions to improve gesture recognition, AR/VR experiences, and Human-AI interfaces.

Ready to Scale Your AI Projects?

Partner with Crowd For AI to access a global workforce of AI contributors, domain experts, and managed teams. From pilot projects to enterprise-scale deployments, we help you build high-quality AI datasets faster, more efficiently, and at scale.
Dedicated AI project managers & team
Access to AI contributors worldwide
Enterprise-grade quality assurance and secure workflows
Flexible engagement models tailored to your business

Why Crowd For AI?

Partner with a trusted AI workforce provider that combines global talent, domain expertise, and enterprise-grade quality assurance to help you build better AI—faster, smarter, and at scale.

Enterprise Annotation Teams

Work with experienced annotation specialists supported by dedicated project managers and enterprise-quality workflows.

Scalable Workforce

Quickly scale annotation projects from hundreds to millions of tasks using our global contributor network.

Multi-Level Quality Assurance

Every annotation passes structured review processes to ensure consistency, precision, and enterprise-grade quality.

Domain Expertise

Access healthcare, legal, finance, retail, engineering, and multilingual experts for specialized annotation projects.

Global Coverage

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Supporting enterprise annotation projects through contributors located across 120+ countries.

Dedicated Project Teams

Build a dedicated team of AI contributors, domain experts, and project managers tailored to your business and project requirements.

Global Workforce

Access skilled AI contributors across 120+ countries and 100+ languages to support multilingual and large-scale AI initiatives.

Flexible Delivery Models

Choose managed services, dedicated teams, or crowd-powered execution based on your project scope, timeline, and budget.

Enterprise-Grade Quality

Multi-level quality assurance, secure workflows, and continuous performance monitoring ensure reliable, high-quality AI data at every stage.

Frequently Asked Questions

We provide end-to-end AI data services including data collection, annotation & labeling, RLHF, AI model evaluation, multilingual AI services, speech & audio AI, computer vision, content moderation, AI testing, domain experts, and managed AI workforce solutions.

We work with organizations across healthcare, legal, finance, education, retail, e-commerce, autonomous vehicles, robotics, manufacturing, marketing, and other industries requiring specialized AI data services.

Yes. Our global contributor network supports projects in 100+ languages, including data collection, translation, localization, transcription, and multilingual AI evaluation.

Every project follows a structured quality assurance process that includes contributor qualification, detailed project guidelines, multi-level reviews, ongoing quality monitoring, and final validation before delivery.

Absolutely. Whether you need a small pilot project or millions of annotations, our global workforce and managed delivery model allow us to scale quickly while maintaining consistent quality.

Yes. We provide verified professionals across healthcare, finance, legal, education, engineering, marketing, and other specialized fields for domain-specific AI training and evaluation.

We follow secure workflows and can support NDA agreements, controlled data access, and enterprise privacy requirements to ensure your project data remains protected throughout execution.

Simply contact our team to discuss your project requirements. We’ll recommend the right engagement model, prepare a proposal, assemble the appropriate workforce, and begin execution after approval.

Yes. We offer dedicated AI teams, managed workforce solutions, and flexible engagement models based on your project size, timeline, and business requirements.

Pricing depends on the project scope, task complexity, data volume, quality requirements, languages, turnaround time, and workforce model. Contact us for a customized quote.

Most projects can begin within a few days after requirements are finalized. Timelines vary depending on project complexity, workforce requirements, and onboarding needs.

Ready to Scale Your AI Projects?

Partner with Crowd For AI to accelerate your AI initiatives with a global workforce of expert contributors, domain specialists, and managed AI teams. Whether you’re building foundation models or enterprise AI applications, we deliver scalable, high-quality human intelligence tailored to your needs.
Dedicated AI project managers and delivery teams
Access to AI contributors across 120+ countries
Enterprise-grade quality assurance, secure workflows, and NDA-ready operations
Flexible engagement models for startups, enterprises, and research organizations