Human-verified data labelling

Data labelling you can trust. Verified before it trains your model.

R3 Data Lab delivers accurate, human-verified data labelling for AI and ML teams — image, text, audio, and video. Every dataset goes through a two-layer review before it reaches you, so your models train on data you can rely on.

person · 0.98
object · 0.94
VERIFYING2 / 2
✓Two-layer verified
IMG · TXT · AUD · VID
// What we do

We handle the full labelling process so your team can focus on building models, not managing annotation — from bounding boxes to entity tagging to frame-by-frame video tracking, accurately and at any scale.

Why teams choose us

See the quality before you commit.

Send us one image, one paragraph, one audio clip, or one short video segment — and we'll label it for free. No obligation, no pitch. Just a sample of our work so you can judge for yourself.

Ready to get your data labelled?

Whether it's a small pilot or a large-scale dataset, we're ready to help.

// How it works

A simple, transparent process

From first conversation to verified delivery.

01
Step 01

Tell us what you need

Fill out a short form describing your project. Attach a sample of labelled data or a reference that shows exactly what you're looking for. The more detail, the better.

Short brief formAttach a referenceAny data type
project-brief.form
Data typeImage · Bounding boxes
Volume~8,000 frames
reference.pngattached ✓
02
Step 02

We scope and propose

Our team reviews your requirements and comes back with a clear proposal — scope, timeline, and format. No surprises, no hidden fees.

Clear scopeFixed timelineNo hidden fees
Proposal
✓Scope8,000 frames · 12 classes
✓Timeline6 working days
✓FormatCOCO + YOLO
TIMELINE
Annotate
Review
Deliver
03
Step 03

We label and verify

We annotate your full dataset and put it through our two-layer quality check before submission — clean, accurate data, on time, every time.

Two-layer QCSenior review
person · 0.98
✓Layer 1 — Annotatorpass
✓Layer 2 — Senior reviewpass
04
Step 04

You receive train-ready data

Delivered in the format your pipeline expects, verified and ready to plug straight in.

Your pipeline's formatPlug-and-play
Export
COCOYOLOJSONCSV
ZIP
dataset_verified.zip142 MB
✓Verified · ready to train

Prefer to see it first?

Send us a small sample and we'll label it for free — no obligation.

// Services

Every data type. Covered.

From bounding boxes to frame-by-frame tracking — one in-house team for image, text, audio, and video.

// Delivery formats

We deliver in whatever your pipeline expects.

Not sure which fits your project?

Tell us about your dataset and we'll recommend the right approach.

// About us

Bad training data quietly undermines even the best models. We fix that.

R3 Data Lab is a specialist data labelling team for AI and machine learning projects. We exist to solve a simple problem: most labelling services are either too expensive or too unreliable — and bad training data quietly undermines even the best models.

We do it differently. Every project is handled in-house and verified through a two-layer review before it reaches you. We work in AI ourselves, so we understand that the quality of a label determines the quality of a model.

Whether you're an AI startup training your first model, an enterprise team scaling a dataset, or a researcher who needs annotation you can trust — we deliver clean, verified data, on time, at a price that makes sense.

Verified data. Reliable models. That's what we're here for.