Consultancy with skin in the game

Support for renewable energy projects and emerging green tech.

What we do?

As consultant we help companies make sound, future-proof around energy/green investments — and we cooperate with innovators in scaling new solutions, combining consultancy with hands-on implementation and entrepreneurial collaboration.

Close-up of a person's hand sketching in a notebook with a pencil, with a blurred background of a cityscape and a bridge.

Combine strategic insight with hands-on implementation to deliver sustainable value

Our focus

Aerial view of a solar farm with multiple solar panels installed on green grass, surrounded by agricultural fields and rolling hills in the background.
A person welding metal, with sparks flying during the welding process against a cloudy sky background.

Circular Economy

Renewable Energy

Our pricing aligns incentives for shared success.

Floris van Willigen
Founder

floris@ptl4.nl
(+31) 0646572865

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