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Data Annotation for AI Systems

Poor data quality is the most underestimated bottleneck in model performance. Inconsistent labels, class imbalance, and domain drift don’t just degrade accuracy, they create technical debt that becomes exponentially more expensive to fix the further it travels through your pipeline. Solve for data quality now, or pay for it later.

We help organisations build reliable labelled datasets through annotation specialists whose cognitive strengths are precisely matched to what the work demands.

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Countries across Europe, North America & Australia
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Started delivering precision technology services
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client companies worldwide
0+
autistic IT consultants in our global team

What We Annotate

Image Annotation

Precise labelling for computer vision systems.

  • Bounding boxes
  • Polygon segmentation
  • Keypoints
  • OCR labelling
  • Scene classification

Video Annotation

Frame-by-frame annotation for dynamic environments.

  • Object tracking
  • Event detection
  • Motion analysis
  • Behaviour tagging

Text Annotation

Training data for NLP, search and LLM systems.

  • Text classification
  • Named entity recognition
  • Intent tagging
  • Sentiment analysis
  • Prompt-response evaluation

LiDAR annotation

3D point cloud labelling for autonomous and spatial AI.

• 3D bounding boxes
• Point cloud segmentation
• Lane and road marking
• Object classification

Audio Annotation

Review and cleaning of audio datasets and support for speech and voice AI systems.

  • Sound event detection
  • Transcript review
  • Speaker tagging
  • Intent detection

Multimodal Annotation

For AI systems combining image, text, audio and video inputs.

Data Validation & Cleansing

Auditing and improving existing datasets by identifying errors, duplicates, and bias, and ensuring they are accurate, diverse, complete, and representative of the edge cases in real-world use.

LLM Agent Development & Data Annotation

Developing and training LLM agents to transform complex, unstructured information into actionable data.

  • Prompt and response generation, chain-of-thought labelling
  • Agent trajectory evaluation
  • Reward Model Feedback

The auticon advantage

Our teams include neurodivergent professionals, all of whom are autistic, bringing strengths that are critical in annotation work: identifying anomalies, recognising patterns in complex systems, maintaining focus over time, and applying structured processes with consistency and precision. This results in high quality training data delivered first time, reducing the total cost of ownership by avoiding expensive retraining cycles.

Proven enterprise track record

300+ global clients across diverse technology domains, including significant experience in critical infrastructure. The stability and credibility to handle complex international projects.

Local delivery, global reach

Our workforce consists of 350+ autistic consultants, operating across 13 countries worldwide, we have the infrastructure to scale projects across borders, while keeping data within required jurisdictions.

A different way of solving technical challenges

Our autistic technologists bring strengths in pattern recognition, focus and consistency, helping detect what others overlook in complex systems and data.

Better handling of edge cases and complexity

We identify inconsistencies, edge cases and hidden issues early, improving system behaviour in production and reducing costly rework.

Meaningful social impact

Every engagement creates skilled employment for autistic professionals. Social responsibility and technical performance are mutually reinforcing, supporting CSRD and social return requirements without compromising on quality.

Human Expertise for Reliable AI annotation

AI systems depend on high-quality data. For nuance and edge cases, human judgement remains essential, something automated tools alone often miss, but a human-in-the-loop approach can catch.

auticon’s annotators bring the precision, focus and consistency this work demands, improving dataset quality and strengthening AI performance from the start.

  • Improve training data accuracy
  • Detect inconsistencies and edge cases
  • Reduce bias in labelled datasets
  • Maintain quality at scale
  • Adapt to changing rules
  • Build more trustworthy AI systems
  • Ensure AI compliance for high-risk models

Where our annotators have made the difference

Annotation support that fits your workflow

Full audit trails and data lineage documentation are built into how we work.

Project-Based

— Fixed scope, fixed timeline

Ideal for defined annotation projects such as image labelling, text classification, dataset validation or model evaluation.

  • Fixed scope and deliverables
  • Defined timeline
  • Fast mobilisation

Managed Service

— Continuous delivery, SLA-backed

Ongoing annotation capacity for recurring datasets, changing taxonomies and continuous human-in-the-loop review.

  • SLA-driven delivery
  • Reporting and governance
  • Scalable capacity

Embedded Specialists

— Integrated into your team

Annotation specialists integrated into your workflows, tools and review processes when you need extra expertise or capacity.

  • Works within your environment
  • Closes hard-to-fill skills gaps
  • Extension of your team

What our clients say

  • Erik Vastenburg
    Programme Manager Water Safety

    “The people at auticon have proven to possess the qualities required to execute this accurately and carefully. The fact that we can simultaneously fulfil our social mission is a wonderful added benefit.”

    – Hoogheemraadschap Hollands Noorderkwartier (HHNK)

  • Kristian Kaurstad Morthen
    CEO

    “Working with [auticon technologists], my experience was really good. They were really fast in responding and if we had anything to raise with them they would respond super quick and take care of that. We would definitely recommend [auticon] and will not hesitate to do other projects together in the future.

     

    – Dimension Agri Technologies (DAT)

     

  • Richard Groen
    Director of Product

    “We’ve been working with auticon (NL) for several years now – and that’s no coincidence. Through them, we have a team of annotators who play a crucial role in the quality of our AI models within Deep Turnaround. Data annotation might sound like “just tagging things”, but it’s anything but simple. It requires focus, precision and a sharp eye for detail. And that’s exactly where the auticon team shines – thanks to their neurodivergent strengths like analytical thinking and hyperfocus.”

    – Deep Turnaround at Royal Schiphol Group

  • Nick Frost
    Head of Audit Technology and Innovation

    “By allowing auticon’s consultants to focus on their strengths they have produced great results and become key members of our team.” 

    KPMG

  • Michael Rönn
    Team Leader

    “The auticon consultant brought a level of quality that is by no means a given. We quickly realised that we work best together when we adapt flexibly to one another.”  

     – Beiersdorf Shared Services

  • Dr Christian Nagel
    Head of Actuarial Portfolio Management

    “We wanted to find solutions to ensure we could maintain our high quality standards in the long term. At first, we hadn’t even considered employing autistic people; today, we are delighted with our collaboration with auticon and thrilled with the results. We plan to engage further consultants from auticon.” 

    -Life ERGO Hamburg

  • Jaroslav Bláha
    CTO

    Expanding our pool of diverse contributors by partnering with auticon’s consultants was a very smooth process. This is a sign of how well auticon’s professionalism fits with trivago’s open culture.” 

    trivago

  • Sven Oelschläger
    Head of Application Governance

    “The auticon consultant not only achieved outstanding results for his project – with his clever ideas and results-oriented thinking, he also had a positive influence on the entire team. He was a real asset to us, exceeding our expectations. Thanks to his smooth and effortless integration into the existing project team and his meticulous attention to detail, we were able to benefit from his leadership right from the start.”  

    Postbank

Data annotation that improves model performance

From secure delivery models to global scale, we help enterprise teams run complex annotation programmes with the structure, flexibility and trust required for long-term success.

Training data your models can learn from

Accurately labelled, consistently applied, and reviewed at every stage. The quality of your training data directly determines how well your model performs, and how much rework you avoid downstream.

Fewer retraining cycles

Labelling errors compound. A mislabelled edge case in your training set becomes a misclassification in production. Our annotators catch ambiguity rather than guess at it, which reduces the errors that trigger costly retraining.

Consistent output at scale

The standard applied on the first batch holds on the hundredth. Whether you’re labelling 10,000 images or 10 million text samples, quality doesn’t degrade as volume increases.

Domain-matched annotators for specialist datasets

Our annotators rapidly master new domains. Because of their loyalty to the client and the project, that knowledge stays embedded in the work over time.

Compliant delivery

Data protection, information security and sector-specific requirements are built into how we work, with clear protocols, secure processes and confidentiality agreements in place.

The Edge Effect in Data Annotation

High quality annotation is not only about speed or scale, it is about noticing what others overlook. Different cognitive perspectives can improve consistency, identify ambiguity earlier and detect edge cases that may otherwise be missed.

We call this Edge Thinking.

The advantage created when different cognitive approaches come together to solve problems.

In data annotation, that can mean stronger datasets, more reliable models and better AI performance.

Need a Reliable Annotation Partner?

From pilot projects to managed delivery, we help organisations improve training data quality and scale with confidence. Use the form below or speak with our team directly.

Full Stack AI Implementation Support

AI Services

Support every stage of the AI journey, from strategy and governance to model quality, automation and scalable delivery.

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Data Services

Build stronger data foundations through engineering, analytics, reporting and business intelligence solutions.

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Testing & QA

Improve software quality through structured testing, automation and user-focused quality assurance.

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Software Development

Design, build and improve digital products, platforms and custom software tailored to business needs.

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Cyber Security

Protect systems, data and operations with security services designed to reduce risk and strengthen resilience.

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Governance & Compliance

Build secure, compliant and well-governed operations that support trust, accountability and growth.

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What makes auticon different from other IT service providers?

We’re the world’s largest majority-autistic company. Our teams include autistic IT consultants who bring strengths in pattern recognition, focus and attention to detail. This leads to improved detection of edge cases, inconsistencies and risks in complex systems, resulting in more reliable outcomes.

What types of data can you annotate?

Text, images, audio, and video, including classification, entity labelling, object detection, segmentation, 3D-images, bounding boxes, sentiment, transcription, and temporal event labelling.

How do you ensure annotation quality?

Every project has built-in QA: review cycles, inter-annotator agreement measurement, and edge case protocols. Our annotators’ natural precision means quality starts high, the process keeps it there.

Can you support secure or confidential datasets?

Yes. We work with organisations where security, confidentiality and controlled access are essential, with delivery models designed for enterprise requirements.

How quickly can you scale annotation teams?

We can support pilot projects, dedicated teams and managed delivery models depending on dataset volume, complexity and timelines.

Do you support human-in-the-loop AI workflows?

Yes. We support workflows where human judgement is needed to review outputs, resolve ambiguity, improve training data quality and maintain trust in AI systems.

Can you work with our existing taxonomy and annotation guidelines?

Yes. We can work within your existing frameworks or help refine taxonomies, instructions and quality processes where needed.

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