Contact person: Ciro Larrañeta Lopez
Polígono Industrial Morea Norte c/B nº 21
31191 Beriain Navarra (Spain)

CIF: B7102
Tel: +34 948 290 135 - Mobile Phone: + 34 669 534 954 - Email:
Web: www.tetrace.com


Experience in wind power: 10 years of experience in the sector. More than 100 projetcs worldwide.


Facilites or delegations abroad: Manila, Santiago de Chile, Chenai, Sao Paulo, México DF and Egypt.




Descripción of the main activity:

Tretra Consulting & Engineering is an engineering and consulting firm established in 2005 in Navarra, Spain.
Specialists in the energy and transport sector where we are a national and international concern.
Since our inception we have had a strong international profile, and currently 70% of our work comes from abroad.
Our main activity is provide specialized technical: Quality inspectors, H&S Inspectors, Site Managers, Surveyors, Fixers.

Products and services in the wind power sector:
- Quality inspector for Port, Factories, Suppliers, Wind farm and O&M..
- Site manager & H&S inspector for wind farm.
- Civil works designs.
- Road Surveys & Load/unload Surveys in port.
- Due diligences, micrositing.

Other products or services:
Naval engineering:
- Survey load / unload.
- Seafastening Calculation and Design / Marine Structures FEM.
- Supporting Structures and Grillages.
- Quality inspections.


ISO 9001 and REPRO.