We’ve had a really good relationship with NashTech. The quality is high. You’re keen, you understand, you learn, you’re adapting, we are also adapting together, and it’s been a success.
Marcus Hunter
Chief Technology Officer at Evri

AI training
Whilst your AI models may function technically, they can often stall at the pilot stage, never scale or produce outputs that your business cannot trust. To fix this, we combine human expertise, machine learning consulting and scalable data operations to deliver more accurate and cost-effective AI models that work beyond go-live.
AI model training
Poor training data undermines AI performance and increases costs.
Internal teams and traditional vendors struggle to scale without ballooning costs.
Models trained without business process understanding often make the wrong decisions.
Bias, lack of transparency and poor governance slow adoption.

Our approach
Scaling AI shouldn’t mean rising costs, poor data or stalled progress. NashTech combines cost-efficient delivery, robust quality assurance and business-aware annotation to improve accuracy and trust. With multilingual teams, HITL and RLHF pipelines, and governed workflows, we help you scale globally, accelerate deployment, reduce risk and free your experts to focus on high-value innovation.
How we deliver

Embed human judgement into every stage of your AI lifecycle
Continuously improve models with real-world feedback loops
Structure raw data into meaningful, model-ready inputs
Deliver high-quality, consistent datasets at scale
99%+
Accuracy achieved
Multilingual eCommerce data training across 28 languages improved customer trust and revenue growth.
40%
Faster time to production
Human-in-the-loop validation reduced model training cycles and accelerated deployment.
20%+
Cost reduction
Pharma AI model training for cancer detection delivered high accuracy with lower labelling costs.

Start AI model training
Whether you’re experimenting or scaling globally, we’ll help you build AI that works in the real world.
Want to learn more?
Discover more about the hidden role of human validation for AI in eCommerce
Your questions answered
AI model training services prepare, structure and refine the data your machine learning models learn from. This includes data annotation, labelling, human-in-the-loop validation and feedback loops to improve accuracy and performance over time.
Machine learning models are only as good as the data they’re trained on. Poor-quality or inconsistent data leads to inaccurate predictions, bias and unreliable outcomes, making high-quality, well-labelled data essential for success.
Human-in-the-loop (HITL) combines automated AI processes with human expertise to validate, correct and improve model outputs. This ensures higher accuracy, reduces bias and helps maintain compliance, especially in complex or regulated environments.
RLHF improves AI performance by continuously feeding human feedback into the model. This helps align outputs with real-world expectations, reduces errors and enables models to adapt and improve over time.
Yes. NashTech supports AI training across +28 languages, combining native linguistic expertise with consistent quality frameworks. This allows you to scale AI solutions globally while maintaining accuracy and local relevance.
We embed governance into every stage of the AI lifecycle, including audit trails, role-based access, bias detection and quality monitoring. This ensures your AI meets regulatory requirements and ethical standards.
After an initial discovery and pilot phase, we can rapidly scale dedicated teams and workflows. Many clients move from pilot to production in weeks, depending on data complexity and volume.
Yes. We are platform-agnostic and can integrate with your existing data labelling tools, ML pipelines and cloud environments or recommend and manage the right setup if needed.
AI model training services prepare, structure and refine the data your machine learning models learn from. This includes data annotation, labelling, human-in-the-loop validation and feedback loops to improve accuracy and performance over time.
Machine learning models are only as good as the data they’re trained on. Poor-quality or inconsistent data leads to inaccurate predictions, bias and unreliable outcomes, making high-quality, well-labelled data essential for success.
Human-in-the-loop (HITL) combines automated AI processes with human expertise to validate, correct and improve model outputs. This ensures higher accuracy, reduces bias and helps maintain compliance, especially in complex or regulated environments.
RLHF improves AI performance by continuously feeding human feedback into the model. This helps align outputs with real-world expectations, reduces errors and enables models to adapt and improve over time.
Yes. NashTech supports AI training across +28 languages, combining native linguistic expertise with consistent quality frameworks. This allows you to scale AI solutions globally while maintaining accuracy and local relevance.
We embed governance into every stage of the AI lifecycle, including audit trails, role-based access, bias detection and quality monitoring. This ensures your AI meets regulatory requirements and ethical standards.
After an initial discovery and pilot phase, we can rapidly scale dedicated teams and workflows. Many clients move from pilot to production in weeks, depending on data complexity and volume.
Yes. We are platform-agnostic and can integrate with your existing data labelling tools, ML pipelines and cloud environments or recommend and manage the right setup if needed.
AI model training services prepare, structure and refine the data your machine learning models learn from. This includes data annotation, labelling, human-in-the-loop validation and feedback loops to improve accuracy and performance over time.
Machine learning models are only as good as the data they’re trained on. Poor-quality or inconsistent data leads to inaccurate predictions, bias and unreliable outcomes, making high-quality, well-labelled data essential for success.
Human-in-the-loop (HITL) combines automated AI processes with human expertise to validate, correct and improve model outputs. This ensures higher accuracy, reduces bias and helps maintain compliance, especially in complex or regulated environments.
RLHF improves AI performance by continuously feeding human feedback into the model. This helps align outputs with real-world expectations, reduces errors and enables models to adapt and improve over time.
Yes. NashTech supports AI training across +28 languages, combining native linguistic expertise with consistent quality frameworks. This allows you to scale AI solutions globally while maintaining accuracy and local relevance.
We embed governance into every stage of the AI lifecycle, including audit trails, role-based access, bias detection and quality monitoring. This ensures your AI meets regulatory requirements and ethical standards.
After an initial discovery and pilot phase, we can rapidly scale dedicated teams and workflows. Many clients move from pilot to production in weeks, depending on data complexity and volume.
Yes. We are platform-agnostic and can integrate with your existing data labelling tools, ML pipelines and cloud environments or recommend and manage the right setup if needed.

Insight
Learn more about structured data pipelines and how human feedback loops improve AI accuracy, reduce cost and accelerate deployment.
How we deliver
Most AI providers focus on models. We focus on outcomes. Our unique blend of machine learning consulting and BPM delivery means your AI is trained with real-world context, not just data.
We have multilingual expertise across +28 languages and deep understanding of business processes. With proven quality frameworks informed by hyperscalers and a tiered specialist talent model, from annotators to PhDs. That provides you with up to 25% more cost-effective delivery.

4.9★
Clutch rating
63
Client net promoter score
5
Global delivery centres
2K+
Engineering experts
26+ years
Engineering excellence
TESTIMONIALS
We’ve had a really good relationship with NashTech. The quality is high. You’re keen, you understand, you learn, you’re adapting, we are also adapting together, and it’s been a success.
Marcus Hunter
Chief Technology Officer at Evri
The proof of concept demonstrated just how transformative agentic AI can be. By engaging with NashTech, we were able to take requirements directly from our business experts, rapidly evaluate AI tools and language models and see tangible early results.
Leanne Sweeney
Head of Business Transformation at UTB
Global delivery
Headquartered in the UK, NashTech combines local advisory expertise with global engineering teams. Our delivery model combines onshore leadership with offshore scale across Europe, Asia and the Americas. We bring the scale, flexibility and expertise needed to support your ambitions, wherever you are in your journey. Giving you access to top engineering talent, cost efficiency and round-the-clock delivery, without compromising quality or collaboration.

Discover deeper insights and predictive power from your data
Turn complex data into clear, actionable decisions
Move, manage and govern your data with confidence
Define the roadmap for scalable, value-driven AI and data
Create a strong, scalable foundation for AI and analytics

Insights

Machine learning (ML) models are only as good as the data that trains them. High-quality, well-organised, and accurately labelled data is the foundation of successful ML projects. However, preparing this data in-house often takes significant time and puts a strain on resources, making it an expensive and challenging task for many teams.
Read more
Key takeaways from the Ministry of Defence and NashTech webinar series
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The panel at NashTech Connect 2026 brought together leaders who each sit at a different vantage point of the digital transformation landscape. What followed was a candid discussion about readiness, risk, and the realities of adopting AI and emerging technologies at scale.
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At the 2026 NashTech Connect Conference, NashTech’s Senior Technology Consultant Chris Weston and Tia Cheang, a globally recognised leader in data, AI and digital transformation, delivered a breakout session on AI predictability, regulation and ethics.
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