COMSA SAU

Their core work

COMSA is a major Spanish construction and infrastructure company headquartered in Barcelona, with deep specialization in railway infrastructure and building energy systems. They bring real-world construction sites, building assets, and railway infrastructure as testing environments for EU research projects, while also contributing engineering expertise in geothermal systems, thermal energy storage, and building retrofitting. Their dual focus on transport infrastructure (rail switches, ballast, safety systems) and energy-efficient buildings (heat pumps, BIPV, digital twins) reflects their core business as a large-scale constructor operating across both sectors.

What they specialise in

How they've shifted over time

COMSA's early H2020 work (2015–2017) centered on foundational infrastructure: shallow geothermal energy systems for buildings and railway track components like ballast and switches. From 2018 onward, their focus shifted markedly toward smart building energy management — thermal storage, digital twins for building lifecycle, hybrid heat pumps, and building-integrated photovoltaics. Their most recent project (STREAM, 2020) signals a new interest in construction worker safety through robotics and exoskeletons, suggesting the company is exploring human-machine interaction on construction sites.

COMSA is moving from traditional construction toward digitalized, energy-efficient building systems and construction site automation — a strong fit for partners working on green building technologies or construction robotics.

How they like to work

COMSA operates primarily as a third-party contributor or end-user partner rather than a research leader — 4 of 9 projects are as third party, meaning they typically provide real infrastructure, buildings, or construction sites as demonstration environments. They coordinated 2 projects (NEOBALLAST and HYBUILD), showing they can lead when the topic aligns tightly with their core construction business. With 133 unique partners across 17 countries, they are well-connected but tend to join large consortia rather than form tight research clusters.

COMSA has collaborated with 133 unique partners across 17 countries, indicating a broad European network built through participation in large Innovation Action and Research & Innovation consortia. Their connections span the energy, transport, and construction research communities.

What sets them apart

COMSA's distinctive value lies in being a large construction company that can provide real buildings, railway lines, and energy infrastructure as demonstration and validation sites — something academic or SME partners typically cannot offer. Their combination of railway engineering and building energy expertise is unusual and makes them a strong partner for projects needing cross-sector demonstration in both transport and built environment contexts. For consortium builders, COMSA brings industrial-scale deployment capacity and end-user validation that strengthens any proposal's impact pathway.

Highlights from their portfolio

• NEOBALLAST
  Coordinated with their largest single EC contribution (EUR 542,675), directly aligned with their core railway construction business.
• HYBUILD
  Coordinated this hybrid thermal/electrical storage project, marking their strategic move into smart building energy systems.
• STREAM
  Their most recent project (2020), exploring construction robotics and exoskeletons — signals a new direction toward worker safety automation.