These Swiss foundations are primarily non-profit organizations, many of which focus on international development, education, and healthcare. Companies like the International Baccalaureate and the International School of Geneva are prominent in education, while Terre des hommes foundation and Aga Khan Foundation are active in international aid. Several foundations, including Kinderspital Zürich and Gesundheitswelt Zollikerberg, are significant in the healthcare sector.
A notable pattern is the concentration of headquarters in Geneva and Zurich, indicating these cities as key hubs for foundational activities in Switzerland. The list also includes entities such as ROLEX, a luxury watch brand, and Proton, a technology company offering encrypted communication tools, showcasing a mix of sectors beyond traditional non-profit work.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
International Baccalaureateibo.org
Non-profit educational foundation offering four challenging programmes for students aged 3-19 in 158 countries, focusing on intellectual, personal, emotional, and social skills development |
9,677 | |||
| 2 | 9,480 | ||||
| 3 |
World Economic Forumweforum.org
An international non-profit organization promoting public-private cooperation through high-level meetings, research, initiatives, and digital networks to address global issues |
5,591 | |||
| 4 |
Terre des hommes foundationtdh.org
A Swiss organization providing aid to children and their communities through health, protection, and emergency relief programs in 30 countries |
2,084 | |||
| 5 |
Swisscontactswisscontact.org
An independent non-profit organization promoting sustainable development through empowering people, improving business competitiveness, and fostering inclusive social and economic systems globally |
1,755 | |||
| 6 |
Aga Khan Foundationakf.org
An international development agency focusing on improving the lives of marginalized communities through investments in human potential and various sectors |
1,521 | |||
| 7 |
Kinderspital Zürichkispi.uzh.ch
Leading pediatric hospital in Switzerland providing acute care, rehabilitation, and outpatient services for children with a focus on comprehensive and family-centered care |
1,317 | |||
| 8 |
International School of Genevaecolint.ch
Leading international school providing bilingual education to students from over 140 nationalities since 1924, fostering respect, mutual understanding, and global citizenship |
1,023 | |||
| 9 |
Colosseum Dental Groupcolosseumdental.com
Leading pan-European dentistry group providing high-quality dental care in eleven countries, with over 600 clinics, 50 labs, and 11,000 colleagues |
1,001 | |||
| 10 | 977 | ||||
| 11 |
FSD (Fondation suisse de déminage)fsd.ch
Humanitarian NGO focused on landmine clearance, victim assistance, toxic site decontamination, community sensitization, and security improvement in conflict zones. |
761 | |||
| 12 |
AO Foundationaofoundation.org
International network of surgeons focused on improving patient outcomes in trauma, spine, craniomaxillofacial, veterinary, and reconstructive surgery. |
665 | |||
| 13 |
Pro Senectuteprosenectute.ch
A leading organization in Switzerland providing free advice and support services to the elderly and their relatives through a large team of employees and volunteers |
617 | |||
| 14 |
Gesundheitswelt Zollikerberggesundheitswelt-zollikerberg.ch
A modern and innovative healthcare and social services organization with over 1400 employees in 110 professions, providing care, education, and support in various sectors |
577 | |||
| 15 |
Global Alliance for Improved Nutrition (GAIN)gainhealth.org
An organization launched to address malnutrition by making healthier food choices more accessible and desirable, particularly for vulnerable populations |
569 | |||
| 16 |
Metrohmmetrohm.com
Trusted manufacturer of high-precision laboratory and process analysis instruments, offering a comprehensive portfolio of analytical technologies and services worldwide |
564 | |||
| 17 |
Clinique de La Sourcelasource.ch
Private hospital providing acute care, surgery, medicine, and maternity services with a focus on security, comfort, and personalized quality care |
558 | |||
| 18 |
United People Globalunitedpeople.global
A global community empowering individuals to contribute to creating positive change in the world through the United People Global Foundation |
548 | |||
| 19 | 518 | ||||
| 20 |
Schweizer Paraplegiker-Zentrumlnkd.in
A Swiss group offering holistic rehabilitation for individuals with spinal cord injuries, supported by diverse staff and a strong employer value proposition |
506 | |||
| 21 | 439 | ||||
| 22 |
Swiss National Science Foundation SNSFsnf.ch
Promoting scientific research in Switzerland across all disciplines, collaborating with institutions to support the development and integration of Swiss research, prioritizing young scientists |
407 | |||
| 23 | 382 | ||||
| 24 |
Odegard Foundationodegardfoundation.org
Dedicated to promoting healthcare education, environmental preservation, AI safety, livelihood improvement, and enhancing effectiveness in philanthropy sector |
371 | |||
| 25 |
Fondation Asile des aveugles, Hôpital ophtalmique Jules-Goninasiledesaveugles.ch
A leading institution in visual health, offering medical treatment and support for visually-impaired individuals of all ages through various specialized departments and facilities |
348 | |||
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 |
Earthworm Foundationearthworm.org
Collaboration with companies to address environmental and social challenges in supply chains, promoting sustainable production benefiting people and nature. |
338 | |||
| 27 |
Beau-Rivage Palacebrp.ch
A historic luxury hotel overlooking Lake Geneva, offering elegant rooms, gourmet dining, spa services, and stunning views of the Alps |
333 | |||
| 28 | 325 | ||||
| 29 |
DCAF - Geneva Centre for Security Sector Governancedcaf.ch
DCAF is dedicated to promoting good security sector governance, aiding states in developing laws, institutions, policies, and practices to enhance security |
318 | |||
| 30 |
GEWA Stiftung für berufliche Integrationgewa.ch
A social enterprise in Switzerland dedicated to professionally integrating individuals facing mental health challenges into the workforce |
316 | |||
| 31 |
Brändibraendi.ch
A non-profit organization promoting inclusion for individuals with intellectual and psychological impairments, offering employment, training, and integration services in various industries |
309 | |||
| 32 |
WWF Switzerlandwwf.ch
Protect environment, preserve biodiversity, promote sustainable resource use, engage supporters, operate nonprofit foundation with multiple sections across Switzerland. |
307 | |||
| 33 |
Grand Théâtre de Genèvegtg.ch
A prestigious theater in Geneva featuring a 1500-seat hall known for its exceptional acoustics, hosting international opera, recitals, and ballet productions |
267 | |||
| 34 |
Fondation Officielle de la Jeunessefoj.ch
The Official Youth Foundation offers preventive actions and support for children, adolescents, and young adults, focusing on parenting assistance and guidance |
255 | |||
| 35 |
"regenerative Bank"regenerative.eco
This company's investments focus on promoting sustainability, benefiting communities, and fostering long-term prosperity for the planet |
247 | |||
| 36 |
Institut et Haute Ecole de la Santé La Sourceecolelasource.ch
Provides high-level nursing education, research, and expertise transfer, supporting innovative health and social care practices in Lausanne. |
247 | |||
| 37 |
CAMPUS SURSEEcampus-sursee.ch
A leading Swiss educational and seminar center for professionals in the construction industry, also expanding into sports as a training and competition facility |
240 | |||
| 38 |
(Former) Syngenta Foundation for Sustainable Agriculturesyngentagroup.com
The company focuses on strengthening smallholder farming and food systems through market development, innovation, capacity building, and partnerships in developing countries |
222 | |||
| 39 |
International Cocoa Initiativecocoainitiative.org
A Swiss-based foundation working with industry, civil society, and governments to eliminate child labor in cocoa-producing countries and protect children's rights |
220 | |||
| 40 |
Arcondis Grouparcondis.com
A global consulting firm focused on healthcare and life sciences, providing solutions for compliance, IT, and digital transformation with a unique culture and commitment to social causes |
209 | |||
| 41 | 201 | ||||
| 42 |
Unigestionunigestion.com
Provides asset management solutions to investors worldwide, offering expertise in private equity, equities, and wealth management, with tailored approaches and a strong research focus. |
195 | |||
| 43 |
Web3 Foundationweb3.foundation
This company focuses on nurturing and stewarding technologies in decentralized web software protocols using modern cryptographic methods to safeguard decentralization |
188 | |||
| 44 |
Juventus Schulen Zürichjuventus.ch
The company is a private educational provider offering a variety of programs such as business, medicine, and technology education for adults and professionals |
185 | |||
| 45 |
AO Traumaaofoundation.org
AOTrauma, as a division of AO Foundation, focuses on musculoskeletal trauma education, research, and leadership development for trauma surgeons |
184 | |||
| 46 |
DFINITY Foundationinternetcomputer.org
Develops and maintains the Internet Computer, a web-speed public blockchain enabling interactive web content, dapps, DeFi, and enterprise systems at hyperscale |
182 | |||
| 47 | 157 | ||||
| 48 |
Stiftung Auffangeinrichtung BVGaeis.ch
A non-profit organization in Switzerland provides mandatory occupational pension coverage for employers and individuals, managing over 15 million customers' accounts With three locations and 200 employees, the organization plays a crucial role in supporting the stability of the pension system |
155 | |||
| 49 |
Artificial Intelligence Foundationartificialintelligencefoundation.org
A non-profit initiative funded by the Odegard Foundation, dedicated to guiding ethical AI implementation, fostering awareness, and advocating for responsible development |
144 | |||
| 50 |
Solar Impulse Foundationsolarimpulse.com
Accelerate adoption of clean, profitable technologies to improve quality of life and encourage ambitious environmental policies worldwide. |
123 | |||
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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 11, 2026.
More company lists in Switzerland
- The largest companies in Switzerland 6,776
- Multinational companies in Switzerland 1,793
- Companies with in-house R&D in Switzerland 916
- Financial services firms in Switzerland 875
- Manufacturers in Switzerland 748
- Real Estate companies in Switzerland 637
- IT Services and IT Consulting companies in Switzerland 574
- Hardware manufacturers in Switzerland 538
- Financial Services companies in Switzerland 525
- IT services companies in Switzerland 438
- SaaS companies in Switzerland 435
- Retail chains in Switzerland 424
- Professional services firms in Switzerland 402
- Software Development companies in Switzerland 380
- Critical infrastructure operators in Switzerland 378
- Family-owned companies in Switzerland 346
- Consulting firms in Switzerland 288
- Publicly traded companies in Switzerland 262
- Pharmaceutical companies in Switzerland 242
- Property management companies in Switzerland 227
- Companies with a mobile app in Switzerland 225
- Medical Equipment Manufacturing companies in Switzerland 225
- Medical device companies in Switzerland 223
- Investment Management companies in Switzerland 216