πŸ”” First project free β€” up to 200 images or text samples. We start within 24 hours. Request Free Pilot

πŸ”– PRECISION DATA ANNOTATION

Your AI is only as good as the data behind it. We make sure the data is right.

A named team. A transparent process. A quality report on every delivery. 48-hour turnaround as standard.
🧠
99.1%
Accuracy
48h
Turnaround
100%
QA on Files
Trained Annotators
0 +
Delivery Accuracy
0 .1%
Turnaround
0 h
QA on Files
0 %

Most annotation vendors give you a dashboard and anonymous workers. We give you a partner.

Automated platforms fail on edge cases. Crowdsourced labor lacks accountability. We provide managed teams who understand your specific taxonomy and deliver consistent, high-fidelity data.

Precision Annotation Services

Specialised datasets for mission-critical AI applications across industries.

πŸ‘οΈ
Computer Vision

Annotation for AI that needs to see the world accurately.

2D/3D Bounding Boxes, Polygons, and Semantic Segmentation for autonomous systems and robotics.

SEE TURNAROUNDS β†’
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Text & NLP

Language models learn from labelled text. The labels have to be right.

Named Entity Recognition (NER), Sentiment Analysis, and Relationship Extraction for structured insights.

SEE TURNAROUNDS β†’
πŸ€–
LLM Training Data

A capable base model becomes a useful product through human feedback.

RLHF prompt-response ranking, style analysis, and multi-turn conversation labelling with nuance and context.

SEE TURNAROUNDS β†’
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Medical Imaging

Diagnostic support starts with labels that clinicians can trust.

DICOM annotation, cell analysis, and anatomical benchmarking by medically-trained staff.

SEE SPECIALISATION β†’

A Quality Process You Can Audit

We don't just send files. We send a verified quality report demonstrating every check performed on your dataset.

πŸ“Š Live quality dashboard

99.1% accuracy maintained across all batches

1

Task Setup

We build your custom taxonomy and guidelines within 4 hours.

2

Approval Batch

A 50–50-item dataset for your feedback and calibration.

3

First-Pass Annotation

Full-scale, full volume with dual annotator checks.

4

QA Lead Review

QA lead inspects every edge case for accuracy.

5

Delivery + Quality Report

Final handover with detailed proof of accuracy and speed.

Real people. Named. Accountable.

Your dedicated lead and core annotation team members.
JS

James S.

Project Lead

AM

Anna M.

QA Specialist

RK

Rahul K.

CV Annotator

EL

Elena L.

NLP Expert

TH

Tom H.

Senior QA

SY

Sarah Y.

Data Ops

Proven High-Performance Datasets

How we solved complex data challenges for leading AI organisations.

View All Case Studies β†’
Autonomous & Robotics

99.1% Accuracy for Warehouse Navigation

80,000 images/month Β· Custom delivery route

Healthcare AI

Radiology Datasets Preparation for FDA Submission

0 Rework Β· Patient guideline compliance

Global E-Commerce

LLM Product Categorisation at Scale

99% Accuracy Β· Client sample count

MedAxis Data

Precision Data Annotation Β· Lagos, Nigeria

The partner for AI teams needing high-precision, managed data annotation.

GET IN TOUCH

Start with a free pilot β†’
βœ‰hello@medaxisdata.com
πŸ“±+234 (0) 800 MEDAXIS
πŸ“Victoria Island, Lagos, Nigeria