Taking the next step towards sustainability

We offer knowledge and solutions for sustainable development.
Together with our customers, we want to make the world a better place. Welcome to contact us!

Less than ten years left until 2030. With our services and expertise, we want to contribute to the realization of the Sustainable Development Goals.

Our services


Strategy & Management

Sustainable value creation and risk management, from analysis and strategy development to implementation and follow-up.


Climate & Planet

Climate and environmental responsibility through impact mapping, calculations, goals and measures to reduce organisation’s footprint according to established frameworks.


Procurement & Suppliers

Sustainable supply chains – from code of conduct and risk analysis to audits and continuous improvements.


Chemicals & Material

Robust processes for chemicals and materials to minimize health and environmental risks and ensure compliance.


Transparency & Trust

Building trust through transparency and good business ethics.


Contact us

Welcome to make a call to Hélène 0730-75 57 59 or Mia 0730-75 57 57 or send us an e-mail.

We can also support you with

Training & Workshops

Our consultants are appreciated trainers and lecturers with solid expertise and the ability to create engagement. We have extensive experience from various target groups and forms of education in most of our focus areas.

Regulatory compliance

In many areas of sustainability, the regulatory development is fast paced. We provide advice and support in the interpretation of laws and help with law enforcement in all our focus areas.


Interim sustainability manager?

Do you need an acting sustainability manager, project manager, specialist or an extra resource on site? Hiring a consultant can be a good and efficient option. Our consultants have experience from many different roles and industries.

About us

Founded in 2010, Trossa now has 22 consultants with extensive expertise and experience in the field of environmental and chemical management, social responsibility, strategy development, sustainability communication and sustainability reporting.