| # | Company | Employees |
|---|---|---|
| 1 |
Amsterdam UMCamsterdamumc.org
A leading medical university centers in Amsterdam, focusing on providing excellent patient care, advanced treatment, teaching, training, and cutting-edge research |
18,288 |
| 2 | 6,527 | |
| 3 | 4,321 | |
| 4 |
Antoni van Leeuwenhoekavl.nl
A renowned research institution and hospital specializing in cancer care, known for its innovative approach and commitment to providing the best treatments for patients |
2,562 |
| 5 | 1,954 | |
| 6 |
Sanquinsanquin.nl
Sanquin processes blood and plasma donations to create life-saving products, conducts medical research, and seeks innovative solutions for various medical conditions worldwide |
1,872 |
| 7 | 1,830 | |
| 8 |
GGZ inGeestwerkenbij.ggzingeest.nl
This company offers specialized psychiatric care tailored to individuals' needs, supported by scientific research and innovative approaches for recovery |
1,642 |
| 9 |
GGD Amsterdamggd.amsterdam.nl
provides comprehensive public health services across multiple municipalities including Amsterdam, focusing on community health and well-being. |
1,501 |
| 10 |
Amstelringwerkenbijamstelring.nl
The company provides support, care, and services for individuals with dementia, old age, and chronic illnesses, focusing on enhancing their quality of life with respect and collaboration |
1,474 |
| 11 |
HVO Queridohvoquerido.nl
HVO-Querido provides accessible and professional support in housing, shelter, and daily activities, focusing on clients' needs and capabilities in a collaborative approach |
1,295 |
| 12 | 1,271 | |
| 13 |
Unilabs Nederlandunilabs.nl
The organization provides advanced integrated diagnostics for a healthier future, partnering with local providers to offer high-quality, sustainable healthcare solutions nationwide |
793 |
| 14 |
BovenIJbovenij.nl
A small, friendly hospital in Amsterdam providing safe, high-quality medical treatment with a focus on personal care and teamwork |
776 |
| 15 |
The Netherlands Cancer Institutenki.nl
Internationally recognized cancer research center with integrated clinic, focusing on molecular oncology, cancer immunology, precision medicine, image guided interventions, and survivorship research |
706 |
| 16 |
Jellinekjellinek.nl
Jellinek specializes in addiction prevention and treatment, offering personalized, effective solutions for individuals with substance use disorders and related mental health challenges |
678 |
| 17 |
ACTA (Academisch Centrum Tandheelkunde Amsterdam)acta.nl
A leading academic center for dentistry in Amsterdam, conducting research, providing patient care, and offering one of the largest dental education programs globally |
637 |
| 18 |
Reade - revalidatie & reumatologiereade.nl
The company specializes in high-quality rehabilitation medicine and rheumatology, focusing on personalized treatment plans to improve quality of life and social participation |
600 |
| 19 |
Het Gastenhuishetgastenhuis.nl
Het Gastenhuis provides loving homes for people with dementia in multiple communities, offering a normal life with freedom and personalized care |
381 |
| 20 |
Stemz Healthcarestemzhealthcare.com
A pioneering healthcare provider leveraging technology like AI and ML to deliver top-quality services globally with a focus on excellence and patient care |
379 |
| 21 | 307 | |
| 22 | 160 | |
| 23 |
Profysioprofysio.nl
Specialized in treating muscle and joint injuries with a focus on spine, neck, back, hip, knee, ankle, shoulder, elbow, wrist Offers rehabilitation, yoga, and Pilates |
24 |
| 24 |
Quin Doctorsquindokters.nl
Digital healthcare platform connecting patients and GPs for personalized, data-driven medical advice, diagnosis, and treatment options through digital and physical general practices |
18 |
| 25 |
Physical Studiophysicalstudio.com
Physical Studio focuses on holistic movement, connecting individuals with their bodies through physical therapy, personal training, sport massages, and wellness escapes |
11 |
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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 Oct 24, 2026.
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- Wellness and Fitness Services companies in Amsterdam 41
- Online-only businesses in Amsterdam 40
- Hospitals and Health Care companies in Amsterdam 39
- Consumer goods companies in Amsterdam 37