Av. Príncipe de Gales 5921, Of 502, La Reina, Santiago, Chile +56 2 2362 0662 central@oryansurveyors.com
More than 35 years working together with the main forestry companies
John O’Ryan Surveyors is a international company that controls and certifies quality and quantity of raw materials and finished products.
Since 1980, we have provided sampling, analysis and certification services to leading companies in industries as diverse as mining, manufacturing, agriculture and forestry, being this last, the main market for our company since 1985.
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"Governments, NGOs, companies and individuals that will improve world ́s future are those that considers ethics, efficiency, knowledge, balance and sustainability as the basis for achieving progress and overall success.

Our company's goal is, every day, be the best partner of them to accomplish these goals..."

Rodrigo O´Ryan Blaitt
John O’Ryan Surveyors CEO

Our services

We provide all the quality and quantity control services required in the chain so that our clients manage and operate efficiently, dynamically and sustainably.

Quality Control

Sampling and quality analysis for raw materials and finished products at the forestry sector.

Quantity Control

We provide quantity control services at various stages of the chain.

Quality management system

Development, Implementation and Audit of Quality Management Systems tailored to the client.


We train and advise companies and government agencies on project evaluations.
Blog news

Desarrollando la producción de pellets en Sudamérica y América Central

El pasado 31 de Octubre de 2023, la Asociación Mundial de Bioenergía realizó el Webinar, en el cual diversos expertos del sector en Latinoamérica, expusieron sus visiones respecto al desarrollo del mercado.
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