Data Annotation Services | Imaginary Cloud

+20

Industry sectors

78

Customer NPS score

99%

Recommendation rate

+300

Projects delivered

our
‍Data Annotation Solutions

ourData Annotation Solutions

We deliver precise, production-grade annotation services across a wide range of data types and industries.

Using custom workflows and advanced QA protocols, we label data for machine learning pipelines with accuracy and consistency at scale. Our agile project management and secure infrastructure ensure compliance and fast turnaround times.

Image Annotation

Video Labelling

Text Classification

Monitor with a wrench and gear symbolising development of custom internal tools.

Named Entity Recognition (NER)

Audio Transcription

Sentiment Analysis

3D Point Cloud Annotation

OCR Data Labelling

Image Annotation

Video Labelling

Text Classification

Named Entity Recognition (NER)

Audio Transcription

Sentiment Analysis

3D Point Cloud Annotation

OCR Data Labelling

See industries we work in

WHY CHOOSE
Data Annotation for Your Project?

Accuracy That Scales

Human-in-the-loop pipelines ensure precision across large datasets.

Domain-Specific Expertise

Industry-aligned teams familiar with healthcare, finance, retail, mobility and more.

Secure Infrastructure

GDPR-compliant, ISO-ready environments ensure data privacy and regulatory adherence.

Workflow Optimisation

Custom annotation tools, multi-tier QA, and active learning capabilities.

our
Data Annotation Services

End-to-End Annotation Projects

We manage your complete data annotation lifecycle, from requirement analysis to delivery, ensuring quality, speed, and alignment with model goals.

Dedicated Annotation Teams

Build a long-term relationship with a dedicated team trained on your specific domain, tools, and QA standards.

Multi-Modal Data Labelling

Label visual, textual, and audio datasets using domain-specific taxonomies and custom annotation workflows.

Quality Assurance and Validation

All annotations undergo multi-layered QA checks, featuring consensus scoring and active learning feedback loops.

Platform Integration and Tooling Support

We integrate directly with your ML pipeline or preferred tools, including Labelbox, Scale AI, CVAT, or proprietary platforms.

End-to-End Annotation Projects

We manage your complete data annotation lifecycle, from requirement analysis to delivery, ensuring quality, speed, and alignment with model goals.

Dedicated Annotation Teams

Build a long-term relationship with a dedicated team trained on your specific domain, tools, and QA standards.

Multi-Modal Data Labelling

Label visual, textual, and audio datasets using domain-specific taxonomies and custom annotation workflows.

Quality Assurance and Validation

All annotations undergo multi-layered QA checks, featuring consensus scoring and active learning feedback loops.

Platform Integration and Tooling Support

We integrate directly with your ML pipeline or preferred tools, including Labelbox, Scale AI, CVAT, or proprietary platforms.

NEED A QUOTE FOR YOUR PROJECT?

Our team of business developers and project managers can help you to clarify any questions you have related. Feel free to chat with us anytime and get a quote for your project.

get a quote

Don’t take our word for it, see what our clients say

Don’t take our word for it,
see what our clients say

5.0

The team was very easy to work with and very communicative."

Priya Krishnan
Head of Strategic Initiatives, Ecolibrium

5.0

They were very flexible and adapted to our means of communications."

Maria Josefa Perez Barral
IT Project Assistant, Eurofound

5.0

Their framework is super unique and something I haven't seen before."

Mathias Storm Mouritsen
Head of Product, Confinze ApS

5.0

The web developer delivered a really high quality video conferencing system within a very short period of time.”

Liam Hindson
Founder & Owner, TeachTutti Ltd

5.0

The people at Imaginary Cloud were both professional and organized."

Alex Algard
Fund Manager, Online Awareness Initiative

5.0

Imaginary Cloud is very committed to their work and timely delivery.”

Richard Surendrakumar
Head of Product, FarmLink Marketing Solutions

5.0

Imaginary Cloud is a very serious software agency with a positive attitude and good skill set."

Xavier Anguera
Co-Founder & CTO, ELSA, Corp.

5.0

This is the best work we’ve gotten from a provider so far, and we’ve worked with many over the years.”

João Santos
CEO & Founder, Learninghubz

5.0

They have a very good approach to the design of everything that is related with the graphical interface and the UX.”

Luís Pedro
CEO, Oligo Swiss Fund Services

5.0

Imaginary Cloud has a strong ability to solve problems, and they present a solution in a short timeframe."

Artur Carvalho
Owner & CEO, Topgim, Lda.

5.0

They’re equally as capable as some of the biggest development names out there.”

Chris Lamberton
Strategy Director, TrustPortal Solutions

5.0

The team, deliverables, and overall experience have all been fantastic— I couldn’t ask for anything more."

Miguel Costa Santos
CEO, Globsurveys

5.0

It's been a great addition to our store."

Ellie David
Manager, 1.00 Plus Super Store

5.0

I'm impressed with their very deep expertise, transparency, and very talented people."

Simone Rigoni
CEO, Tep Wireless

00/00

what you'll get

Clock and dollar icon with arrows representing reducing time and costs in business processes.

Accelerated AI Model Accuracy

High-quality labels improve model training and reduce iteration cycles.

Analytics dashboard icon representing competitive advantage.

Customised Annotation Workflows

Designed to match your ontology, task complexity, and performance benchmarks.

Lower Operational Overhead

Outsource complex labelling tasks while maintaining quality and control.

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Scalable Data Pipelines

Rapid throughput supported by trained annotators, automation, and project leads.

WE ARE AN AWARD WINNING COMPANY

top b2b company
UNITED KINGDOM

Clutch, 2023

Top software developers
enterprise UNITED KINGDOM

Clutch, 2025

Top web developers
london

Clutch, 2025

Top B2B COMPANY
UNITED KINGDOM

Clutch, 2023

Top software developers
enterprise UNITED KINGDOM

Clutch, 2025

Top web developers
london

Clutch, 2025

We are aglobal partner in over 80 countries

Bridging borders, serving clients in over 80 countries worldwide.

united states

europe

middle east

rest of the world

your
‍team

yourteam

With a 99% client satisfaction rate, Imaginary Cloud brings together a handpicked team of EU-based data annotation specialists trusted by global enterprises. From trained labellers to QA reviewers and project leads, our experts combine domain understanding with technical rigour.

Whether you need a managed solution or a flexible team extension, we operate with speed, structure, and absolute clarity.

Data Annotators

Professionally trained in industry-specific labelling techniques and annotation tools.

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QA Specialists

Implement rigorous review cycles and metrics-driven validation processes.

Project Managers

Agile-certified leaders who oversee quality, throughput, and delivery timelines.

Sounds like your Data Annotation dream team?

Let’s work together

WHY
IMAGINARY CLOUD

At Imaginary Cloud we provide a unique service tailored to the needs of companies that are focused on growth. Know more about why we are the right partner to fuel your growth.

Check our why us page

Why
imaginary cloud

At Imaginary Cloud we provide a unique service tailored to the needs of companies that are focused on growth. Know more about why we are the right partner to fuel your growth.

CHECK OUR WHY US PAGE

how we
‍WORK

how weWORK

At Imaginary Cloud we provide you with flexible working models to work with our team, depending on your business requirements.

Icon of three professionals standing together representing a dedicated development team.

Team Extension

We provide you with a development team or an individual fit to your needs, able to work independently, and/or fully integrated within your delivery team and processes.

managed projects

We will develop the project in-house, following our battle-tested processes which ensure world-class quality and efficiency. This end-to-end solution is ideal for companies without internal technical teams.