# Top 30 foundations in the Hauts-de-Seine department
Tamtam tracks 37 foundations headquartered in the Hauts-de-Seine department. This list ranks the 30 largest by number of employees on LinkedIn, led by Servier, Hilti France and Fondation Partage et Vie. Their median headcount is 86. Half of them were founded in 1983 or later. The most common headquarters are Montrouge (4), Neuilly-sur-Seine (4) and Boulogne-Billancourt (3).
The foundations in Hauts-de-Seine primarily operate in healthcare, social services, and scientific research. These organizations range from large, established foundations to smaller research-focused entities. Notable examples include Servier, a pharmaceutical developer; Hilti France, providing construction tools and services; and Fondation Partage et Vie, which offers care for individuals facing loss of autonomy.
A significant concentration of these foundations is dedicated to health and social care, addressing needs from pharmaceutical development to support for individuals with disabilities and seniors. Many are long-standing institutions, with several founded in the mid-20th century, indicating a history of community engagement in the department.
馃嚝馃嚪 Hauts-de-Seine 路 30 companies 路 Updated Nov 12, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [Servier](https://www.tamtam.ai/c/servier) (servier.com)
Develops pharmaceuticals focused on cardiology, venous diseases, oncology, neurology, and rare diseases, prioritizing patient needs and investing heavily in research. | Pharmaceutical Manufacturing | 馃嚝馃嚪 Suresnes | 14,291 | 1954 |
| 2 | [Hilti France](https://www.tamtam.ai/c/hilti-france) (hilti.fr)
Provides advanced tools, technologies, software, and services for the construction industry, helping clients build faster, safer, and more boldly worldwide, with a focus on innovation. | Construction | 馃嚝馃嚪 Boulogne-Billancourt | 1,675 | 1941 |
| 3 | [Fondation Partage et Vie](https://www.tamtam.ai/c/fondation-partage-et-vie) (fondationpartageetvie.org)
A public utility Foundation providing care and support for individuals facing loss of autonomy, with 127 establishments across France Innovating and improving quality of life | Individual and Family Services | 馃嚝馃嚪 Montrouge | 1,183 | |
| 4 | [Fondation Des Amis de l'Atelier](https://www.tamtam.ai/c/fondation-des-amis-de-l-atelier) (fondation-amisdelatelier.org)
Dedicated to individuals with psychic and mental disabilities, offering specialized services including accommodation, care, educational support, and vocational integration within 66 facilities. | Mental Health Care | 馃嚝馃嚪 Ch芒tenay-Malabry | 633 | 1961 |
| 5 | [FONDATION PERCE-NEIGE](https://www.tamtam.ai/c/fondation-perce-neige) (perce-neige.org)
Provide specialized housing, support families, advocate for disabled individuals, support autism education, and promote research for people with disabilities. | Non-profit Organizations | 馃嚝馃嚪 Levallois-Perret | 620 | 1966 |
| 6 | [PIERRE FABRE DERMO-COSMETIQUE](https://www.tamtam.ai/c/pierre-fabre-dermo-cosmetique)
Development and distribution of dermo-cosmetic products focusing on skincare and beauty solutions based in France. | Personal Care Product Manufacturing | 馃嚝馃嚪 Boulogne-Billancourt | 518 | |
| 7 | [Fondation La Vie au Grand Air I Priorit茅 Enfance](https://www.tamtam.ai/c/fondation-la-vie-au-grand-air-i-priorite-enfance) (fondationlavieaugrandair.org)
Support and protect over 4,200 children and families through social aid, fostering responsible adulthood with respect and solidarity. | Civic and Social Organizations | 馃嚝馃嚪 Issy-les-Moulineaux | 488 | 1927 |
| 8 | [Fondation du Patrimoine](https://www.tamtam.ai/c/fondation-du-patrimoine) (fondation-patrimoine.org)
Nonprofit organization supporting restoration and funding of rural and local heritage sites, aiding public owners, private landowners, and sponsors. | Non-profit Organizations | 馃嚝馃嚪 Neuilly-sur-Seine | 470 | 1996 |
| 9 | [FONDATION SANTE SERVICE](https://www.tamtam.ai/c/fondation-sante-service) (fondation-santeservice.fr)
Providing multidisciplinary home hospitalization and nursing care for acute and chronic patients, supporting family-centered care and healthcare professional training. | Hospitals and Health Care | 馃嚝馃嚪 Levallois-Perret | 419 | 1958 |
| 10 | [H么pital Marie-Lannelongue](https://www.tamtam.ai/c/hopital-marie-lannelongue) (hopitalmarielannelongue.fr)
A non-profit private hospital specializing in surgical treatment of cardiac, pulmonary, and vascular conditions from newborns to adults | Hospitals and Health Care | 馃嚝馃嚪 Le Plessis-Robinson | 394 | 1948 |
| 11 | [IRTS IDF MONTROUGE NEUILLY-SUR-MARNE MEAUX](https://www.tamtam.ai/c/irts-idf-montrouge-neuilly-sur-marne-meaux) (fondation-itsrs.org)
Providing social work education, research, and training programs focused on professional qualifications and adapting social interventions to current needs. | Higher Education | 馃嚝馃嚪 Montrouge | 347 | 1901 |
| 12 | [LEO Pharma France](https://www.tamtam.ai/c/leo-pharma-france) (leo-pharma.fr)
Helps patients achieve healthy skin by offering therapeutic solutions for managing skin problems globally, with a focus on skin disease medications and solutions. | Pharmaceutical Manufacturing | 馃嚝馃嚪 Courbevoie | 209 | |
| 13 | [Fondation Roguet](https://www.tamtam.ai/c/fondation-roguet) (fondation-roguet.fr)
The company is dedicated to providing dignified care for seniors through competent and devoted professionals in a welcoming environment | Hospitals and Health Care | 馃嚝馃嚪 Clichy | 161 | 1905 |
| 14 | [FRS \| Fondation pour la Recherche Strat茅gique](https://www.tamtam.ai/c/frs-fondation-pour-la-recherche-strategique) (frstrategie.org)
Independent French think tank specializing in strategic, defense, and security issues, providing analysis and insights for policy and decision-making. | Think Tanks | 馃嚝馃嚪 Levallois-Perret | 87 | |
| 15 | [French Red Cross Foundation](https://www.tamtam.ai/c/french-red-cross-foundation) (fondation-croix-rouge.fr)
Research foundation promoting scientific knowledge, ethical reflection, and social innovation to support humanitarian and social actions for vulnerable populations. | Non-profit Organizations | 馃嚝馃嚪 Montrouge | 86 | 2017 |
| 16 | [H么pital Foch France](https://www.tamtam.ai/c/hopital-foch-france) (hopital-foch.com)
Leading private multi-disciplinary hospital in the Paris region, offering advanced medical and surgical care with a focus on patient comfort and innovation | Hospitals and Health Care | 馃嚝馃嚪 Suresnes | 55 | |
| 17 | [Fondation Paul Parquet](https://www.tamtam.ai/c/fondation-paul-parquet) (fondation-paul-parquet.com)
The Foundation Paul Parquet provides specialized care and support for children aged from birth to six years with medical and social needs | Health and Human Services | 馃嚝馃嚪 Neuilly-sur-Seine | 44 | 1923 |
| 18 | [Fondation Bettencourt Schueller](https://www.tamtam.ai/c/fondation-bettencourt-schueller) (fondationbs.org)
Support and promote individuals in life sciences, arts, and solidarity to contribute concretely to the common good and future. | Non-profit Organizations | 馃嚝馃嚪 Neuilly-sur-Seine | 32 | 1987 |
| 19 | [Fondation VINCI pour la Cit茅](https://www.tamtam.ai/c/fondation-vinci-pour-la-cite) (fondation-vinci.com)
Support associative projects focused on social and professional inclusion, employment orientation, social ties, mobility, and housing integration in vulnerable areas. | Non-profit Organizations | 馃嚝馃嚪 Nanterre | 29 | 2002 |
| 20 | [Fondation Georges Besse](https://www.tamtam.ai/c/fondation-georges-besse) (fondationbesse.com)
Supports young scientists in financial difficulty, promoting high-level training for future engineers and leaders, fostering a strong network among beneficiaries. | Higher Education | 馃嚝馃嚪 Ch芒tillon | 27 | 1987 |
| 21 | [Maison M茅dicale Notre Dame du Lac - Diaconesses](https://www.tamtam.ai/c/maison-medicale-notre-dame-du-lac-diaconesses) (lesdiaconesses.org)
Healthcare facility specializing in palliative care, offering services such as a palliative care unit, neurology unit, day hospital, and mobile palliative care team | Hospitals and Health Care | 馃嚝馃嚪 Rueil-Malmaison | 26 | 1946 |
| 22 | [Fondation Aulagnier](https://www.tamtam.ai/c/fondation-aulagnier)
A leading medical-social actor in the North of Hauts-de-Seine, offering 160 housing places for the elderly in EHPAD, as well as home care services and support for caregivers | Services for the Elderly and Disabled | 馃嚝馃嚪 Asni猫res-sur-Seine | 23 | |
| 23 | [Fondation Yves Rocher](https://www.tamtam.ai/c/fondation-yves-rocher) (yves-rocher-fondation.org)
Support women-led communities dedicated to biodiversity, plant trees globally, preserve unique plant species, and promote environmental photography. | Non-profit Organizations | 馃嚝馃嚪 Issy-les-Moulineaux | 20 | 1991 |
| 24 | [Fondation Cognacq-Jay - EHPAD (脡tablissement d鈥檋茅bergement pour personnes 芒g茅es d茅pendantes)](https://www.tamtam.ai/c/fondation-cognacq-jay-ehpad-etablissement-d-hebergement-pour-personnes-agees) (cognacq-jay.fr)
Specialized in providing accommodation for dependent elderly individuals | Civic and Social Organizations | 馃嚝馃嚪 Rueil-Malmaison | 19 | |
| 25 | [Institut Danone France](https://www.tamtam.ai/c/institut-danone-france) (institutdanone.org)
The company focuses on promoting better nutrition for all stages of life, while also preserving the planet's resources through sustainable food practices | Research Services | 馃嚝馃嚪 Rueil-Malmaison | 16 | 1991 |
| 26 | [Fondation EM Normandie](https://www.tamtam.ai/c/fondation-em-normandie) (em-normandie.com)
A foundation established in 2016 supporting education through scholarships, academic excellence rewards, and entrepreneurial projects, promoting diversity and innovation in higher education | Non-profit Organizations | 馃嚝馃嚪 Clichy | 15 | 2016 |
| 27 | [Fondation Arthritis](https://www.tamtam.ai/c/fondation-arthritis) (fondation-arthritis.org)
A public utility foundation supporting joint disease research, chaired by Dr Olivier Courtin Clarins, collaborating with healthcare authorities, patient associations, and researchers | Non-profit Organizations | 馃嚝馃嚪 Neuilly-sur-Seine | 14 | 1989 |
| 28 | [Fondation FARM](https://www.tamtam.ai/c/fondation-farm) (fondation-farm.org)
Think-tank providing expertise on global agricultural and food issues, focusing on food security, supply chains, and rural resilience. | Think Tanks | 馃嚝馃嚪 Montrouge | 13 | 2005 |
| 29 | [Fondation de la 2猫me Chance](https://www.tamtam.ai/c/fondation-de-la-2eme-chance) (deuxiemechance.org)
The foundation supports individuals facing adversity by providing financial and human support for sustainable professional projects, including entrepreneurship and vocational training | Non-profit Organizations | 馃嚝馃嚪 Puteaux | 13 | 1998 |
| 30 | [Fondation Ipsen](https://www.tamtam.ai/c/fondation-ipsen) (fondation-ipsen.org)
Dedicated to improving Rare Disease diagnosis and patients' lives through programs, books, webinars, training, videos, and podcasts for rare disorder detection | Research Services | 馃嚝馃嚪 Boulogne-Billancourt | 10 | 1983 |
## 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 the Hauts-de-Seine department
- [The largest companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/largest-companies-hauts-de-seine) (5,160)
- [Multinational companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/multinational-companies-hauts-de-seine) (1,231)
- [IT services companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/it-services-companies-hauts-de-seine) (737)
- [IT Services and IT Consulting companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-hauts-de-seine) (706)
- [Professional services firms in the Hauts-de-Seine department](https://www.tamtam.ai/l/professional-services-firms-hauts-de-seine) (629)
- [Consulting firms in the Hauts-de-Seine department](https://www.tamtam.ai/l/consulting-firms-hauts-de-seine) (563)
- [Companies with in-house R&D in the Hauts-de-Seine department](https://www.tamtam.ai/l/r-and-d-companies-hauts-de-seine) (510)
- [SaaS companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/saas-companies-hauts-de-seine) (389)
- [Business Consulting and Services companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/business-consulting-and-services-companies-hauts-de-seine) (304)
- [Software Development companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/software-development-companies-hauts-de-seine) (301)
- [Retail chains in the Hauts-de-Seine department](https://www.tamtam.ai/l/retail-chains-hauts-de-seine) (292)
- [Manufacturers in the Hauts-de-Seine department](https://www.tamtam.ai/l/manufacturers-hauts-de-seine) (285)
- [Advertising Services companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/advertising-services-companies-hauts-de-seine) (281)
- [Marketing and communications agencies in the Hauts-de-Seine department](https://www.tamtam.ai/l/marketing-agencies-hauts-de-seine) (235)
- [Subscription businesses in the Hauts-de-Seine department](https://www.tamtam.ai/l/subscription-businesses-hauts-de-seine) (228)
- [Hardware manufacturers in the Hauts-de-Seine department](https://www.tamtam.ai/l/hardware-companies-hauts-de-seine) (199)
- [Financial services firms in the Hauts-de-Seine department](https://www.tamtam.ai/l/financial-services-firms-hauts-de-seine) (198)
- [Companies with a mobile app in the Hauts-de-Seine department](https://www.tamtam.ai/l/companies-with-mobile-app-hauts-de-seine) (189)
- [Critical infrastructure operators in the Hauts-de-Seine department](https://www.tamtam.ai/l/critical-infrastructure-operators-hauts-de-seine) (169)
- [AI companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/ai-companies-hauts-de-seine) (159)
- [Education providers in the Hauts-de-Seine department](https://www.tamtam.ai/l/education-companies-hauts-de-seine) (159)
- [Cybersecurity companies in the Hauts-de-Seine department](https://www.tamtam.ai/l/cybersecurity-companies-hauts-de-seine) (154)
- [Distributors and wholesalers in the Hauts-de-Seine department](https://www.tamtam.ai/l/distributors-and-wholesalers-hauts-de-seine) (154)
- [Recruitment and staffing agencies in the Hauts-de-Seine department](https://www.tamtam.ai/l/recruitment-agencies-hauts-de-seine) (152)
## The same list elsewhere in France
- [Foundations in France](https://www.tamtam.ai/l/foundations-france) (426)
- [Foundations in 脦le-de-France](https://www.tamtam.ai/l/foundations-ile-de-france) (234)
- [Foundations in Auvergne-Rh么ne-Alpes](https://www.tamtam.ai/l/foundations-auvergne-rhone-alpes) (45)
- [Foundations in the Rh么ne department](https://www.tamtam.ai/l/foundations-rhone) (26)
- [Foundations in Grand Est](https://www.tamtam.ai/l/foundations-grand-est) (25)
- [Foundations in Paris](https://www.tamtam.ai/l/foundations-paris) (172)
## The same list elsewhere
- [Foundations in the world](https://www.tamtam.ai/l/foundations-in-the-world) (1,835)
- [Foundations in Europe](https://www.tamtam.ai/l/foundations-in-europe) (1,147)
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Source: https://www.tamtam.ai/l/foundations-hauts-de-seine