Copenhagen AI Lab

We build AI systems that turn direction into outcomes.

yellow3 lab designs AI infrastructure for founders, companies, and markets where complexity blocks progress.

Concrete stairs ascending toward light
Based in Copenhagen

Building outcome infrastructure for the AI era.

Our belief

The future is not prompt-based. It is outcome-based.

People should not operate tools forever. They should define what matters, make the judgment calls, and let intelligent systems execute.

Autonomous software platforms

Scalable platforms that run with minimal human intervention and maximum reliability.

Agentic business systems

End-to-end systems where AI agents coordinate, decide, and deliver outcomes.

Digital Product Passport infrastructure

Verifiable product data infrastructure for trust, compliance, and transparency at scale.

AI-native marketplaces

New marketplace models designed for autonomy, network effects, and trust.

Research-backed product concepts

We research, validate, and incubate the products that shape tomorrow's markets.

Featured platform
naffe.ai

You decide what is worth building. naffe builds it.

naffe.ai is yellow3 lab's flagship platform that turns human direction into software, workflows, and agents that deliver real-world outcomes.

Explore naffe.ai
Direction
Reduce return handling time by 40% across EU operations
naffe builds
Process automation
AI agents
Data infrastructure
Monitoring & optimization
Outcome
Return handling time reduced by 41%
Work with yellow3

We work with founders, operators, and companies building where AI changes the economics of an industry.

Let's build what's next - together.

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