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Foundations headquartered in Spain

Tamtam tracks 148 foundations headquartered in Spain. This list ranks the 50 largest by number of employees on LinkedIn, led by Grupo Social ONCE, CEU Educational Group and ONCE. Their median headcount is 931. Half of them were founded in 1991 or later. The most common headquarters are Madrid (17), Barcelona (13) and Zaragoza (3).

🇪🇸 Spain50 companiesUpdated Nov 12, 2026

These Spanish foundations primarily operate in education, social services, and banking. Many are well-established institutions, with several founded in the late 19th or early 20th century. Notable examples include Grupo Social ONCE, promoting equality and inclusion; CEU Educational Group, a large Spanish educational provider; Ibercaja, a banking group with extensive branch networks; and Fundación Hospitalarias, offering specialized care for mental health.

A significant concentration of these foundations is headquartered in Madrid, with Barcelona and Zaragoza also featuring prominently. The sectors represented show a strong emphasis on public benefit, ranging from comprehensive educational offerings by institutions like Universitat Internacional de Catalunya and Colegio Sagrado Corazón de Jesús, to social integration efforts by Fundación Diagrama and Aliados por la Integración, highlighting a commitment to societal well-being and development.

#CompanyIndustryHeadquarters EmployeesFounded
1
Grupo Social ONCEgruposocialonce.com

A partnership organization focused on promoting equality and inclusion, championing initiatives for today and tomorrow

Business Consulting and Services 🇪🇸 España 13,034 n/a
2
CEU Educational Groupceu.es

Largest Spanish educational group offering diverse programs from early education to postgraduate studies with international collaborations and innovative teaching methods.

Higher Education 🇪🇸 Madrid 5,989 1933
3
ONCEonce.es

The company works for the autonomy and inclusion of blind and visually impaired people through education, employment, and support services

Civic and Social Organizations 🇪🇸 Madrid 3,434 1938
4
Ibercajaibercaja.es

A leading Spanish banking group offering high-quality financial services to individuals, institutions, and businesses through over 1,250 branches and online banking

Banking 🇪🇸 Zaragoza 3,278 1876
5
Fundación Hospitalariasfundacionhospitalarias.org

Non-profit institution providing specialized care, assistance, and social reintegration for individuals with mental illness, intellectual disabilities, and other conditions worldwide

Hospitals and Health Care 🇪🇸 Madrid 3,112 1881
6
Universidad CEU San Pablouspceu.com

We believe in your talent Transform your vocation into a profession at CEU San Pablo University Work towards your future with us

Higher Education 🇪🇸 Madrid 2,861 n/a
7
Fundación Diagramafundaciondiagrama.es

A foundation established in 1991 dedicated to addressing the needs of vulnerable individuals through human rights advocacy and promoting social integration

Non-profit Organizations 🇪🇸 Murcia 2,246 1991
8
Universitat Internacional de Catalunyauic.es

A place for personal and academic development, fostering growth through rigorous academics, university experiences, and enriching life opportunities since 1997

Higher Education 🇪🇸 Barcelona 2,094 1997
9
Colegio Sagrado Corazón de Jesúscolegiosagradocorazondejesus.es

A multilingual private school in Zaragoza focusing on language education, technology integration, personalized tutoring, and offering a wide range of educational activities

Primary and Secondary Education 🇪🇸 Zaragoza 1,866 1875
10
CEU Cardenal Herrera Universityuchceu.es

Leading private educational institution in Spain with 24 centers across all levels, including universities in Madrid, Barcelona, and Valencia with over 26,000 students

Higher Education 🇪🇸 Valencia 1,850 n/a
11
Fundacio Pere Tarresperetarres.org

A non-profit organization focused on social and educational action since 1957, promoting leisure education for children and youth in various social areas

Non-profit Organizations 🇪🇸 Barcelona 1,785 1957
12
Grupo SMgrupo-sm.com

Provides educational, cultural, and training services to children, youth, teachers, families, and institutions across ten Iberoamerican countries.

Book and Periodical Publishing 🇪🇸 Boadilla del Monte 1,763 1938
13
Fundación Laboral de la Construcciónfundacionlaboral.org

The company works to provide resources to companies and workers in the construction sector, aiming for a more professional, safe, and connected industry

Construction 🇪🇸 Madrid 1,695 1992
14
Aliados por la Integraciónaliadosporlaintegracion.org

An organization with over 15 years of experience promoting social and labor inclusion for vulnerable individuals through partnerships with social entities, institutions, and businesses

Individual and Family Services 🇪🇸 Madrid 1,600 2001
15
Fundació Jesuïtes Educaciófje.edu

Offers both formal and informal education, including early childhood, primary, secondary, and vocational training programs

Primary and Secondary Education 🇪🇸 Barcelona 1,500 2000
16
Fundación Dfafundaciondfa.es

A non-profit organization supporting the full social integration and rights of individuals with physical disabilities through services and advocacy

Non-profit Organizations 🇪🇸 Zaragoza 1,435 1976
17
Fundesplaifundesplai.org

Non-profit entity dedicated to educating children and youth, strengthening leisure organizations, promoting citizenship and social inclusion, improving the environment, and offering comprehensive educational programs

Civic and Social Organizations 🇪🇸 El Prat de Llobregat 1,429 1996
18
Universitat de Vic – Universitat Central de Catalunyauvic.cat

Public university privately managed through Balmes University Foundation, with contract program and participation in public enrolment and student grant schemes

Higher Education 🇪🇸 Vic 1,355 1997
19
FUNDACION SUMMA HUMANITATEfundacionhumanitate.org

A non-profit foundation supporting Church institutions with management issues to ensure continuity and preservation of their charism and works

Religious Institutions 🇪🇸 Madrid 1,200 2006
20
Hospital General de Granollersfphag.org

A healthcare foundation in Catalonia with a hospital and geriatric center, providing medical care, education, research, and training for professionals and students

Hospitals and Health Care 🇪🇸 Granollers 1,178 1923
21
Fundación Cepaimcepaim.org

A Third Sector social organization promoting an inclusive, cohesive, and intercultural society by providing access to citizen rights for vulnerable populations, with innovative projects in Spain

Non-profit Organizations 🇪🇸 Madrid 1,120 1994
22
Fundación ”la Caixa”fundacionlacaixa.org

A foundation promoting social progress through diverse programs, projects, and support for vulnerable groups, with a focus on human rights and dignity

Non-profit Organizations 🇪🇸 Barcelona 1,051 n/a
23
Fundación Secretariado Gitanogitanos.org

The foundation works to promote social inclusion, equal rights, and access to services for the Roma community in Spain and Europe

Civic and Social Organizations 🇪🇸 Madrid 1,022 1982
24
Blanquerna - Universitat Ramon Llullblanquerna.edu

Offers university education in Psychology, Education, Health, Communication, and International Relations, with various degrees, masters, and doctoral programs in Barcelona

Higher Education 🇪🇸 Barcelona 1,010 1948
25
Fundación Ayuda en Acciónayudaenaccion.org

An independent NGO focused on improving the living conditions of children, families, and communities in disadvantaged regions of America, Asia, and Africa

Non-profit Organizations 🇪🇸 Madrid 931 1981

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26
Colegio Inmaculada Concepcióniccullera.com

A foundation providing education for girls, initially orphans, through a convent school in Valencia, now part of a network of Diocesan Schools

Primary and Secondary Education 🇪🇸 Cullera 912 1882
27
Clínica Universitaria Reina Fabiolacurf.com.ar

A healthcare institution affiliated with a university, providing medical services, training for health science students, and postgraduate education for highly skilled professionals

Hospitals and Health Care 🇪🇸 Córdoba 909 1959
28
Althaia, Xarxa Assistencial Universitària de Manresaalthaia.cat

A non-profit foundation providing comprehensive healthcare and social services with a focus on quality, efficiency, and human excellence for over 260,000 residents

Hospitals and Health Care 🇪🇸 Manresa 822 n/a
29
Fundación Don Boscofundaciondonbosco.es

The Foundation works for the holistic development of disadvantaged youth & families, implementing a unique educational approach and promoting active citizenship and sustainability

Civic and Social Organizations 🇪🇸 Córdoba 809 1998
30
Getafegetafe.fesd.es

An educational institution focused on holistic education inspired by Christian values, fostering respect, collaboration, diversity, and emotional balance from early childhood to high school

Primary and Secondary Education 🇪🇸 Getafe 798 n/a
31
Iberoamerican University Foundation (FUNIBER)funiber.org

An institution offering 160 online Master and Specialization programs in multiple languages, certified by prestigious international universities, with a global presence

Education Administration Programs 🇪🇸 Barcelona 773 1997
32
Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS)clinicbarcelona.org

A leading biomedical research consortium in Barcelona, focused on combining high-quality clinical and basic research to advance healthcare solutions

Research Services 🇪🇸 Barcelona 711 1996
33
FUNDAE Fundación Estatal para la Formación en el Empleofundae.es

Public institution managing employment training funds, providing financial aid and training programs to enhance workforce skills and competitiveness.

Utilities 🇪🇸 Madrid 690 1992
34
EDEM Escuela de Empresariosedem.eu

A business school in Valencia focused on training entrepreneurs and leaders, promoting entrepreneurship and sharing successful experiences within the business community

Professional Training and Coaching 🇪🇸 Valencia 677 2002
35
Nazaretnazaret.eus

Professional training center specializing in business and sociocultural management, offering personalized competency development paths for youth, adults, and professionals seeking continuous learning

Education 🇪🇸 Donostia 653 1920
36
Teknikertekniker.es

A technology center specializing in Advanced Manufacturing, Material Engineering, and ICTs to enhance society's growth and competitiveness sustainably

Research Services 🇪🇸 Eibar 619 1981
37
FUNDACIÓN SALUD Y COMUNIDADfsyc.org

A non-profit organization with national and international reach that focuses on promoting, creating, and managing quality services for social and health issues Founded in 1997

Civic and Social Organizations 🇪🇸 Barcelona 576 1997
38
Teatro Realteatroreal.es

The Teatro Real is a leading national opera institution in Spain, with a strong international presence, focusing on music and performing arts

Performing Arts 🇪🇸 Madrid 566 1818
39
Fundación Adeccofundacionadecco.org

The company supports employment inclusion for vulnerable individuals and provides HR solutions for socially responsible businesses in Spain

Human Resources Services 🇪🇸 Madrid 563 1999
40
Fundación Cibervoluntarios - Cybervolunteers Foundationcibervoluntarios.org

A pioneering organization in technology volunteering, empowering people through technology across Spain with the help of volunteers and collaborations

Civic and Social Organizations 🇪🇸 Madrid 548 2001
41
Andalucía Emprende, Fundación Pública Andaluzaandaluciaemprende.es

A public foundation funded by the government of Andalusia, focusing on supporting potential entrepreneurs, promoting innovation, and fostering public-private collaboration for business development

Government Administration 🇪🇸 Seville 544 1999
42
Unidos en Redunidosenred.org

A network committed to sustainable development, connecting and accelerating social impact projects with expertise and knowledge to make a difference in more lives each day

Non-profit Organizations 🇪🇸 Madrid 543 2012
43
Hospital del Mar Research Instituteresearchmar.net

A public biomedical research center located at The PRBB, dedicated to advancing healthcare through research conducted by Hospital del Mar and ICREA

Research Services 🇪🇸 Barcelona 525 n/a
44
Centre for Genomic Regulation (CRG)crg.eu

An international biomedical research institute focused on advancing scientific knowledge for public health, genetic diseases, and economic prosperity through interdisciplinary collaboration

Biotechnology Research 🇪🇸 Barcelona 504 2000
45
Sagrada Famíliasagradafamilia.org

Construction and preservation of the Sagrada Família Expiatory Temple in Barcelona, founded by Josep Maria Bocabella and designed by Antoni Gaudí

Religious Institutions 🇪🇸 Barcelona 500 n/a
46
Residencia de mayoresgeron.es

A senior care residence providing high-quality and compassionate care services to elderly individuals in need of assistance and support

Hospitals and Health Care 🇪🇸 Madrid 499 1977
47
Fundació Puigvertfundacio-puigvert.es

Specialized medical institution focused on urology, nephrology, andrology, and reproductive medicine, offering high expertise in robotic surgery and renal transplants

Hospitals and Health Care 🇪🇸 Barcelona 492 1961
48
Universitat Abat Oliba CEUuaoceu.es

A higher education institution founded in 1973, affiliated with the University of Barcelona and officially recognized as a university in 2003

Higher Education 🇪🇸 Barcelona 492 n/a
49
Fundación Manantialfundacionmanantial.org

A non-profit organization providing comprehensive care for individuals with mental health issues, offering employment opportunities and various services to support their recovery

Mental Health Care 🇪🇸 Madrid 463 1995
50
Lantegi Batuaklantegibatuak.eus

A non-profit organization in Bizkaia providing quality job opportunities for individuals with disabilities, focusing on their development through various vocational programs and services

Non-profit Organizations 🇪🇸 Loiu 461 1983

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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.

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