The Community of Madrid is home to a significant concentration of large-scale companies, primarily in telecommunications, media, and security services. Notable firms include Telefónica, a global telecommunications leader; Prosegur, offering advanced private security solutions; and Endesa, a major player in electricity and natural gas. Other key entities are ¡HOLA!, a long-standing magazine publisher, and El País, a prominent daily newspaper.
A recurring pattern is the strong presence of established companies with a long history, such as those founded in the mid-20th century. Many of these firms, like Telefónica and Prosegur, have a global reach. The region also shows a cluster of headquarters in Madrid itself, alongside neighboring municipalities like Alcobendas and Pozuelo de Alarcón.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Telefónicatelefonica.com
Leading global telecommunications company providing advanced infrastructure, innovative digital and data services, focusing on secure, cutting-edge technology and social impact. |
121,569 | |||
| 2 |
Prosegurprosegur.com
A global leader in private security, offering advanced solutions through five business lines with a strong focus on social responsibility |
67,392 | |||
| 3 |
Endesaendesa.com
Leaders in electricity and natural gas sector. Providing services to millions of clients. Core business is production, transportation, distribution and commercialization of electric power. |
9,800 | |||
| 4 |
DIGI SPAIN TELECOMdigimobil.es
A mobile virtual operator in Spain, offering affordable rates for calls, internet, and roaming Backed by a strong network and customer support in multiple languages |
9,000 | |||
| 5 |
Securitas Direct, part of Verisuresecuritasdirect.es
Leading provider of security and protection services for residential and small business customers across Europe and Latin America with strong brands. |
8,043 | |||
| 6 |
Novanovatalent.com
Global community connecting top talent with opportunities, offering rigorous screening for high-potential individuals, B2B services for top clients, and launching B2C premium services |
6,899 | |||
| 7 |
astaraastara.com
Distributes vehicles globally, offering flexible, personalized mobility solutions for individuals, businesses, public administrations, leveraging technology, data intelligence, and a vast sales and service network. |
2,335 | |||
| 8 |
¡HOLA!grupohola.com
Publisher of ¡HOLA! and HELLO! magazine with over 60 years of history, producing web content with millions of users and social media followers Leader in female information |
2,054 | |||
| 9 |
Grupo MASMOVILgrupomasmovil.com
An Iberian Telecom operator providing fixed, mobile, broadband Internet services, green energy, telemedicine, security, with a focus on customer satisfaction and sustainability |
1,772 | |||
| 10 |
El Paiselpais.com
A leading daily newspaper in Spanish and Portuguese with a focus on quality journalism, progressive values, and democracy, catering to a global audience |
1,564 | |||
| 11 |
Orange Españaorange.es
Provides mobile, fixed telephony, broadband internet, and ADSL TV services to nearly 13 million customers across Spain. |
1,526 | |||
| 12 |
idealistaidealista.com
A leading real estate platform helping people find homes or properties for sale or rent through innovative, data-driven services worldwide |
1,388 | |||
| 13 |
Mediaset Españamediaset.es
Leading Spanish audiovisual group offering TV channels, digital platforms, film production, advertising, and content distribution across multiple global markets. |
1,364 | |||
| 14 |
Movistar Plusmovistarplus.es
An audiovisual entertainment platform that provides a wide range of content for users to enjoy |
1,275 | |||
| 15 | 1,219 | ||||
| 16 | 1,203 | ||||
| 17 |
Movistar Prosegur Alarmasmovistarproseguralarmas.es
A unique and pioneering company combining physical security with connectivity to provide comprehensive security systems for homes and businesses |
1,182 | |||
| 18 |
Schindler, S.A.schindler.es
Leading manufacturer and service provider of elevators, escalators, and moving walkways focused on safety, efficiency, and global urban mobility. |
1,119 | |||
| 19 |
ATRESMEDIAatresmedia.com
ATRESMEDIA is a leading communication group in Spain, operating in television, digital development, radio, cinema, internet, events organization, and corporate social responsibility campaigns |
1,109 | |||
| 20 | 1,060 | ||||
| 21 | 830 | ||||
| 22 |
Avatel Telecomavatel.es
A leading Spanish telecommunications provider offering fiber optic, fixed and mobile telephony, and television services Driving technological development and connectivity nationwide |
819 | |||
| 23 | 796 | ||||
| 24 |
Vodafone Españavodafone.es
The company believes in using technology and connectivity to improve lives and create a more sustainable society, aiming to impact one billion lives positively by 2025 |
780 | |||
| 25 |
HomeServe Iberiahomeserve.es
A trusted company offering global home maintenance solutions through a network of professionals, part of a UK-leading group, serving millions of customers worldwide |
678 | |||
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. | |||||
| 26 |
NORTHGATE ESPAÑAnorthgate.es
The company provides flexible renting solutions for businesses, self-employed individuals, and individuals, offering all-inclusive options with no commitment and tailored mobility solutions |
633 | |||
| 27 |
LEGÁLITASlegalitas.com
Legalitas provides legal advice to individuals, self-employed individuals, and businesses, offering personalized and economical services through a team of over 250 experienced lawyers |
616 | |||
| 28 |
Diario ABCabc.es
Provides credible, instant news on mobile devices, upholds freedom, equality, Spanish values, journalism, culture, and education. |
547 | |||
| 29 |
Hilti Españahilti.es
Global leader in providing technology-leading products, systems, and services to the construction industry, focusing on innovation, customer excellence, and nurturing high-performing people |
528 | |||
| 30 |
Real Automóvil Club de España - RACErace.es
A long-standing service provider for motorists offering roadside assistance, legal advice, insurance packages, travel assistance, and cultural resources on automobile history |
478 | |||
| 31 |
RENFE OPERADORArenfe.com
A transportation company based in Madrid, Spain, specializing in rail services for passengers and freight |
451 | |||
| 32 |
Brooklyn Fitboxing Internationaldiscover.brooklynfitboxing.com
A fitness training experience combining boxing, muay thai, kickboxing, and functional training with music, technology, and charity initiatives for global impact |
425 | |||
| 33 |
ACNUR Comité españoleacnur.org
Supports UNHCR in providing humanitarian aid to vulnerable refugees worldwide, raising awareness and social support for their programs |
403 | |||
| 34 | 360 | ||||
| 35 |
El Independienteelindependiente.com
A digital media company founded in 2016, focusing on political, economic news and opinion Emphasizes quality information, original content, and new storytelling |
348 | |||
| 36 |
Vivofácilvivofacil.com
The company provides private care services to individuals in their homes, promoting equality, work-life balance, and improving quality of life |
342 | |||
| 37 |
elDiario.eseldiario.es
A digital media platform focused on providing information and analysis on politics and economy with an emphasis on human rights, equality, and democracy |
341 | |||
| 38 |
Beedigitalbeedigital.es
Leading technology company in Spain, specializing in digitalization and AI solutions for SMEs Services include online presence enhancement, financial management, cybersecurity, and legal advice |
327 | |||
| 39 | 313 | ||||
| 40 |
AltaFit Gym Clubaltafitgymclub.com
Altafit is a leading franchise network of Low Cost Gyms in Spain with over 15 years of experience managing top-notch sports facilities and gyms |
306 | |||
| 41 | 302 | ||||
| 42 |
TaxDownempresas.taxdown.es
TaxDown is a Spanish company revolutionizing tax advisory with a digital platform for easy and accurate tax filing, maximizing savings for users |
294 | |||
| 43 |
PLAYTOMICplaytomic.com
Playtomic offers a leading app for racket players worldwide, allowing users to book courts, meet other players, join groups, and improve skills |
277 | |||
| 44 |
Enjoy Wellnessenjoy.es
A wellness organization promoting access to sports and exercise for all ages, emphasizing health, fun, and community through high-quality facilities and services |
268 | |||
| 45 |
Sogecableprisatv.es
A leading audiovisual company with experience in rights acquisition, production, distribution, and subscription management, also involved in film production and exhibition |
267 | |||
| 46 |
Grupo EXCOMexcom.es
A Spanish telecommunications company providing services in rural areas and towns with less than 50k inhabitants to connect people and businesses |
245 | |||
| 47 |
MASMOVILmasmovil.link
A leading Spanish telecom operator offering fixed, mobile, and broadband services through multiple brands, with a strong fiber optic network and high customer satisfaction |
243 | |||
| 48 |
Bizneo HRbizneo.com
Cloud-based HR suite with 16 software modules covering employee lifecycle: attraction, identification, development, engagement. A talent management platform for mid-size to large companies. |
240 | |||
| 49 |
Endesa Empresas y Ciudadesendesa.com
The company focuses on providing integrated solutions tailored to the needs of individuals, businesses, and public administrations to empower them to take control of their energy consumption |
238 | |||
| 50 |
Doofinderdoofinder.com
Enhance eCommerce search engines with AI technology to increase sales and improve user experience through advanced search features and personalized results |
232 | |||
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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 14, 2026.
More company lists in Community of Madrid
- The largest companies in Community of Madrid 3,480
- Multinational companies in Community of Madrid 1,059
- Retail chains in Community of Madrid 366
- Professional services firms in Community of Madrid 273
- Wellness and Fitness Services companies in Community of Madrid 270
- Financial services firms in Community of Madrid 260
- Companies with in-house R&D in Community of Madrid 245
- IT services companies in Community of Madrid 219
- Healthcare providers in Community of Madrid 214
- Consulting firms in Community of Madrid 207
- Critical infrastructure operators in Community of Madrid 203
- IT Services and IT Consulting companies in Community of Madrid 197
- Companies with a mobile app in Community of Madrid 187
- Education providers in Community of Madrid 186
- Manufacturers in Community of Madrid 178
- Software Development companies in Community of Madrid 159
- Insurance companies in Community of Madrid 144
- Financial Services companies in Community of Madrid 143
- SaaS companies in Community of Madrid 133
- Hotel and hospitality groups in Community of Madrid 132
- Corporate groups and holding companies in Community of Madrid 123
- Retail Apparel and Fashion companies in Community of Madrid 104
- Transportation, Logistics, Supply Chain and Storage companies in Community of Madrid 103
- Distributors and wholesalers in Community of Madrid 103
The same list elsewhere in Spain
- Subscription businesses in Spain 206
- Subscription businesses in Catalonia 64
- Subscription businesses in Madrid 56
- Subscription businesses in Barcelona 55