These Madrid-based companies primarily operate in facilities management and related services. The list includes large groups like Grupo EULEN, a provider of specialized facility services, and Elecnor Group, which specializes in engineering, construction, and infrastructure investments. Other notable firms are CLECE, S.A., offering social, educational, and environmental services, and ILUNION, focused on creating an accessible world.
A common pattern among these companies is their headquarters location in Madrid, indicating a concentration of large service providers in the capital. Many of these firms also have a long operational history; for example, FCC Medio Ambiente was founded in 1911, and Elecnor Group in 1958, showcasing established players in the sector.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Grupo EULENeulen.com
Provides specialized outsourced services globally, including facility management, cleaning, security, maintenance, environmental, healthcare, and HR solutions for businesses and public administrations. |
20,585 | |||
| 2 |
Elecnor Groupgrupoelecnor.com
Global corporation specializing in engineering, construction, sustainable projects, infrastructure investments, renewable energy, asset management, and energy transmission across 50 countries. |
10,383 | |||
| 3 |
CLECE, S.A.clece.es
A leading company offering a wide range of services such as social, educational, environmental, and logistic services with a focus on social inclusion |
8,824 | |||
| 4 |
ILUNIONilunion.com
A group of companies focused on creating a more accessible world, reinventing themselves daily to compete and move forward |
8,198 | |||
| 5 |
Serveoserveo.com
We are a cross-sector service integrator dedicated to driving sustainable growth and development for our clients #WeAreServeo |
5,762 | |||
| 6 |
ISS Facility Services Españaes.issworld.com
ISS is a workplace management company in Spain, providing services to over 5,000 clients with a focus on people, environment, and society |
3,369 | |||
| 7 |
FCC Medio Ambientefccma.com
A global leader in environmental services, offering waste collection, recycling, energy recovery, cleaning, maintenance, and industrial waste treatment solutions worldwide |
2,061 | |||
| 8 |
Grupo Sicorgruposicor.com
Founded in 2020, the company is part of El Corte Inglés Group, offering a range of services including security, cleaning, logistics, and more with a focus on quality and ethical principles |
2,000 | |||
| 9 |
GNgrupo-norte.es
A leading Spanish corporate group offering facility, HR, security, outsourcing, social, educational services, insurance brokerage, and employment for disabled individuals Expanding internationally in Chile and Peru |
1,577 | |||
| 10 |
Ingesanohla-group.com
Specializing in facilities management, the company focuses on cleaning, maintenance, energy efficiency, and urban services with a commitment to sustainability and social inclusion |
1,087 | |||
| 11 |
CBRE Españacbre.es
A global real estate consulting and services company with over 30,000 professionals in 400 offices worldwide, offering a wide range of real estate services |
894 | |||
| 12 |
Savills Españasavills.es
A veteran in the Spanish market with over 30 years of experience and over 150 years internationally, specializing in custom real estate solutions |
750 | |||
| 13 |
INTEGRA Centro Especial de Empleointegracee.es
INTEGRA is a Special Employment Center promoting the integration of people with disabilities in the labor market by offering various services to businesses |
692 | |||
| 14 |
GRUPO MASAmasagrupo.com
MASA is a company that intervenes in all activities related to the life cycle of facilities and infrastructure, from project management to operation and maintenance |
674 | |||
| 15 |
ImesApi / Api movilidadimesapi.es
A diversified firm providing services in road conservation, environment, mobility, rehabilitation, facility management, and services with a focus on expertise and new technologies |
612 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
VALORIZA FACILITIESsacyrfacilities.com
Specializing in facility management and energy services, it offers maintenance, cleaning, and energy optimization for various buildings and facilities |
541 | |||
| 17 | 528 | ||||
| 18 |
Onet Iberiaonet.es
Provider of innovative solutions in business services including cleaning, maintenance, logistics, waste management, and personal services, with a strong European presence |
524 | |||
| 19 | 
Inneria | Eurofirms Groupinneriaoutsourcing.com
Specializing in services outsourcing, prioritizing candidates with disabilities Offering a wide range of services in logistics, social, sales force, cleaning, retail management, and more |
458 | |||
| 20 |
Multiservicios Aeroportuarios, S.A.multiserviciosaeroportuarios.com
A facilities services company in Madrid, Spain, providing a range of airport-related services to support the smooth operation of airports |
389 | |||
| 21 |
ClaroSol Solutionsclarosol.es
A Hispanic-German company specialized in facility services, focusing on property maintenance, cleaning, logistics, and facility management while prioritizing efficiency and innovation |
382 | |||
| 22 | 374 | ||||
| 23 |
Edison Next Spainedisonnext.es
Edison Next helps companies and territories in their ecological transition and decarbonization through a unique platform of services, technology, and expertise |
354 | |||
| 24 |
Compass Group Spaincompass-group.es
Providing specialized collective catering and auxiliary services across corporate, educational, healthcare, social, and event sectors focusing on quality and innovation. |
337 | |||
| 25 |
Newrest Travel Retailnewrest.eu
Newrest Travel Retail specializes in developing innovative on-board products for trains and aircraft, with a focus on digital tools for retail sales |
331 | |||
| 26 |
Aralia Serviciosaraliaservicios.es
Aralia is a specialized company with over 30 years of experience in providing and outsourcing services to maintain and improve managed buildings |
328 | |||
| 27 |
Licuas S.A.licuas.es
An innovative, effective, and sustainable company with over 35 years of experience, offering specialized services in construction, civil engineering, and environmental services |
308 | |||
| 28 |
CLINER, S. Acliner.com
A company established in 1985 providing a wide range of professional cleaning services nationwide, including post-construction cleaning, facade cleaning, industrial cleaning, and complementary services |
303 | |||
| 29 |
SIMALGAsimalga.com
We are a Technical Services company specializing in building installations from design to maintenance, focusing on quality, environmental protection, and efficient asset management |
254 | |||
| 30 |
Grupo Sercongruposercon.com
Grupo Sercon provides high-quality private security, facility services, and specialized employment solutions with over 25 years of experience and a team of 1,000+ professionals |
241 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Madrid
- The largest companies in Madrid 2,650
- Multinational companies in Madrid 815
- Retail chains in Madrid 259
- Financial services firms in Madrid 231
- Professional services firms in Madrid 227
- Wellness and Fitness Services companies in Madrid 202
- Critical infrastructure operators in Madrid 169
- Healthcare providers in Madrid 161
- Companies with in-house R&D in Madrid 158
- Companies with a mobile app in Madrid 158
- Consulting firms in Madrid 157
- IT services companies in Madrid 155
- Education providers in Madrid 141
- IT Services and IT Consulting companies in Madrid 138
- Software Development companies in Madrid 129
- Financial Services companies in Madrid 125
- Insurance companies in Madrid 122
- SaaS companies in Madrid 113
- Hotel and hospitality groups in Madrid 104
- Manufacturers in Madrid 91
- Public sector organisations in Madrid 90
- Retail Apparel and Fashion companies in Madrid 89
- Corporate groups and holding companies in Madrid 89
- Business Consulting and Services companies in Madrid 80