Ecoxy provide companies with accurate and reliable emissions data essential for effective emission reduction.


Ecoxy is a leading provider of emissions measurement and verification services, specializing in offshore and maritime sector. Our mission is to assist companies in understanding their environmental impact and promoting more sustainable and cost-effective operations.

Ecoxy has since 2003 participated in several projects focusing on NOx reduction and energy efficiency – particularly in gas turbines and diesel engines. Since 2011 the company has evolved to become a leading, independent third party body performing verification of air emissions (NOx, HC, CH4, CO, CO2, NH3, O2 and N2O) and greenhouse gases under the EU regulations (EU ETS).

Our history

Ecoxy was established in December 2002. Our main mission is to reduce harmful air emissions from energy production, and assist companies in understanding their environmental impact and promoting more sustainable and cost-effective operations. This includes both the reduction of CO2 through more efficient energy systems and reduction of harmful emissions such as NOx, CO2, CH4, NH3 and particulates (PM).

In May 2008, Ecoxy achieved accreditation by Norwegian Accreditation as the first Norwegian company to perform online exhaust gas analysis on diesel engines and gas turbines in accordance with ISO/IEC 17025, ISO/IEC 8178 and ISO/IEC 11042.

In 2009 Ecoxy was awarded Techno’s award for innovative environmental technologies.

In 2013 Ecoxy was accredited according to ISO/IEC 14065 in connection with the EU’s regulation for carbon credits.

In 2024 Ecoxy was accredited according to ISO/IEC 17029 “General principles and requirements for validation and verification bodies”.

In 2023 Intervest AS acquired 100 percent of the shares of Ecoxy AS.