DATA ANNOTATION & AI TRAINING

Supervised Data Annotation for AI Excellence

High-quality data labeling for computer vision, NLP, and LLM training. Our supervised, hub-based teams deliver precision annotation at competitive rates—not crowdsourcing, but professional annotators in managed workspaces.

Perfect for AI startups and research teams starting with pilot projects.

Data Annotation Services

ANNOTATION CAPABILITIES

What We Annotate

Comprehensive annotation services across multiple data types and modalities to power your AI models.

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Image Annotation

Bounding boxes, semantic segmentation, polygon annotation, keypoint detection, and object classification for computer vision models.

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Text & LLM Annotation

Entity recognition, sentiment analysis, text classification, RLHF (Reinforcement Learning from Human Feedback), prompt engineering, and LLM evaluation.

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Audio & Speech Tasks

Speech-to-text transcription, audio classification, speaker identification, and phonetic annotation for voice AI applications.

Supported Annotation Types

Bounding Boxes & Object Detection
Semantic & Instance Segmentation
Polygon & Polyline Annotation
Keypoint & Landmark Detection
Named Entity Recognition (NER)
Text Classification & Sentiment
RLHF & Prompt Response Labeling
Audio Transcription & Tagging
3D Point Cloud Annotation
Video Frame Annotation
OCR & Document Processing
Custom Annotation Workflows

How We Work

Our proven methodology ensures consistent quality, security, and scalability for your annotation projects

1

Supervised Hub-Based Model

All annotation work is performed on-site at our secure facilities with trained supervisors ensuring quality and consistency.

2

Structured Shifts & Teams

Organized work schedules with dedicated teams assigned to specific projects, ensuring continuity and expertise.

3

Trained Annotators

Our annotators undergo rigorous training in annotation tools, guidelines, and best practices before working on client projects.

4

Peer Review & QA

Multi-tier quality assurance with peer reviews, supervisor checks, and automated validation to maintain 95%+ accuracy rates.

5

Tool Flexibility

Experience with industry-leading tools including Label Studio, CVAT, Labelbox, Scale AI, and custom annotation platforms.

Why Choose Atelis

Partner with a team that combines quality, affordability, and social impact

01

Cost-Efficient Solutions

High-quality annotation services at competitive rates ($3.50–$5/hr), significantly lower than Western markets while maintaining quality.

02

English-Fluent Workforce

All annotators are fluent in English, enabling clear communication and accurate understanding of complex annotation guidelines.

03

Scalable Teams

Rapidly scale from pilot projects to large-scale operations with our flexible team structures and established recruitment pipeline.

04

Fast Onboarding

Quick project initiation with experienced teams that can be onboarded to new tools and guidelines within days, not weeks.

05

Social Impact

Partner with us to create meaningful employment opportunities while supporting the development of Nigeria's tech ecosystem.

06

Reliable Infrastructure

Consistent high-speed internet, backup power systems, and modern workstations ensure uninterrupted service delivery.

Security & Confidentiality

Your data security is our top priority. We maintain strict protocols to protect your sensitive information

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NDA-Backed Staff

All employees sign comprehensive non-disclosure agreements before accessing any client data or project information.

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Controlled Workstations

Secure on-premise workstations with restricted USB access, no personal devices, and monitored network access.

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Secure Data Handling

End-to-end encryption, secure VPN connections, role-based access controls, and regular security audits.

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Compliance Ready

Infrastructure and processes designed to support GDPR, SOC 2, and other compliance requirements upon request.

Flexible Pricing

Choose the pricing model that best fits your project needs and budget

Hourly Rate

$3.50–$5.00per hour

Flexible hourly pricing based on task complexity and volume.

Simple annotation tasks at lower rates
Complex tasks (segmentation, RLHF) at premium rates
Dedicated project manager
Regular quality reports
Flexible scaling

Pay-Per-Label

Customper label

Output-based pricing for predictable project costs.

Fixed price per annotation unit
Ideal for clearly defined tasks
Guaranteed turnaround times
Quality assurance included
Volume discounts available

Fixed Price Projects

Customper project

Complete project pricing for large-scale initiatives.

End-to-end project management
Dedicated annotation team
Custom quality metrics
Milestone-based delivery
Post-project support

Ready to Get Started?

Request a pilot project today and experience the quality and efficiency of our annotation services. We'll work with you to understand your requirements and deliver a customized solution.