WE DESIGN COMPLEX
FACILITIES
We certified the first winery in Europe with LEED GOLD
ZERO ENVIRONMENTAL IMPACT
Strong expertise in the coordination of EU-funded projects
WE ARE PART OF THE INNOVATION ECOSYSTEM
We are currently seeking experienced professionals in building services engineering, energy, and construction management. Send your CV to talent@wattega.eu JOIN OUR TEAM
WE SPEED UP THE ECOLOGICAL TRANSITION
Our projects enable sustainable progress in the social, environmental, and financial sectors.
FROM
INNOVATION
We are committed to research and innovation as an engine of growth, both for society and for our professional and personal knowledge.
TECHNOSCIENTIFIC RIGOUR
We approach projects from a technoscientific perspective, without preconceptions or rushing to conclusions. Our relationship with our clients is not subject to economic or political conditions. Independent of political or economic circumstances, we respond to our clients.
WATTEGA was founded in Barcelona with a clear purpose: to address the most complex technical and energy challenges through an integrated, innovative and sustainable approach.
We are a robust and well-established organisation that brings together ARCbcn’s expertise in high-complexity engineering and innovation projects with ERF’s knowledge in energy efficiency and environmental strategy.
This integration enables us to deliver holistic, large-scale projects, optimising building systems, energy and sustainability from a unique perspective, while supporting companies and institutions in their transition towards more efficient, resilient and responsible models.
Our Areas of Expertise
Engineering
We develop sustainable, high-value engineering projects tailored to our clients’ needs. By considering all factors affecting building systems, we ensure a fully integrated approach that guarantees the highest quality.
Energy & Sustainability
We apply our specialised expertise to strategically optimise our clients’ energy performance and environmental challenges, delivering efficient solutions that contribute to a more sustainable future.
Innovation
Innovation is the driving force and core of WATTEGA. It is embedded across all areas to enhance both people development and project excellence. We actively participate in EU and government-funded projects, reinforcing our commitment to innovation leadership and sustainability.
Wattega defines its priority SDGs and outlines a sustainability roadmap with measurable objectives
A strategic planning analysis process consolidates sustainability as a core pillar of the business model and strengthens the commitment to...
Climate vulnerability of the railway network: a current challenge already analysed by ERF‑WATTEGA in 2021
The large‑scale study commissioned by the Catalan Office for Climate Change analyses the impact of climate change on Catalonia’s railway...
Europe's first LEED GOLD Environmental and Energy Certified winery
A pioneering project that combines winemaking tradition and sustainable innovation in the Empordà region
LEED Platinum Certification for New Buildings in Ciutadella del Coneixement
New project achieves great success in sustainable development The new buildings project in Ciutadella del Coneixement has reached an important...
Sant Boi de Llobregat submits candidacy for the Green Leaf 2026 Award
ERF has worked with the municipal team in the preparation of the bid.
We are celebrating 30 years!
We celebrate a historic moment for ERF with a sincere thank you to each and every person who has been part of the family.
Featured Projects
We deliver projects across a range of sectors, always guided by clear sustainability objectives that contribute to the responsible management and long-term resilience of our environment
