Anthesis Group

Sustainability ConsultingSpain HQ: BarcelonaGlobal HQ: London, UK1250 employeesFounded 1990www.anthesisgroup.comMadrid Barcelona Burgos Jaén Tarragona Valencia Catalonia

Anthesis Group is a global sustainability consultancy that helps organizations address complex environmental, social, and governance challenges. With over 1,000 experts across 40+ offices worldwide, Anthesis provides services ranging from carbon accounting and lifecycle assessment (LCA) to circular economy strategy and environmental education. The company supports businesses, governments, and NGOs in achieving net-zero goals and building sustainable value chains.

In Spain, Anthesis operates through its Barcelona and Madrid offices, delivering projects across Catalonia and beyond. The listed roles include environmental educators, inspectors, and consultants, often in collaboration with local parks and municipalities—offering international professionals a chance to work on environmental awareness projects while contributing to a growing local sustainability ecosystem. The company's work culture is mission-driven, with a focus on innovation and collaboration, and it actively supports flexible and hybrid working arrangements.

Company History

Anthesis Group was formed in 2013 through a merger of several boutique sustainability consultancies, and has grown aggressively through acquisitions. It is now a leading global sustainability advisor with a strong European presence. The company was originally founded by professionals with backgrounds in environmental management and sustainability, building from a UK base to serve clients internationally.

For International Professionals

Anthesis has offices in Madrid and Barcelona, with roles across Spain for environmental educators and consultants.
International hires benefit from a global network of experts, facilitating project collaboration across borders.
The company offers flexible and remote work arrangements in many roles, compatible with relocation.
Sustainable consulting is a growing field in Spain, with Anthesis contributing to local environmental projects and compliance with EU regulations.
The company values multidisciplinary team collaboration and supports professional development in sustainability careers.