Returning to citizens
We offer public services with professional guarantee
News
01 April 2025
SIRESA assessora en l’organització de grans esdeveniments per reduir-ne els residus
18 March 2025
SEMESA millora prop d’un 8% l'eficiència de la planta de selecció d’envasos lleugers de Gavà-Viladecans
Waste management
We evaluate different residue fractions, recuperating them, reusing them, and transforming them into energy, that way reducing their environmental impact.
Renewable energy
We generate and sell energy from renewable sources to contribute to a new more sustainable energy model.
Sustainability promotion
We work to promote the citizen commitment to sustainability promoting practices that are more respectful with the environment.
TERSA Group
TERSA Group, formed by TERSA, SEMESA, and SIRESA, with more than 35 years of history, is a public company for environmental services related to circular economy, evaluation of residues, generation and commercialisation of renewable energies, and promotion of citizen commitment to sustainability.
More than 300 professionals form part of TERSA Group, all united by the commitment to sustainability, innovation, and transparency.
