| # | Company | Employees |
|---|---|---|
| 1 | 3,745 | |
| 2 |
Het Nederlandse Rode Kruisrodekruis.nl
The organization provides aid to people in need with a large network of volunteers, responding to disasters and emergencies worldwide |
1,967 |
| 3 | 1,186 | |
| 4 | 1,156 | |
| 5 |
Cordaidcordaid.org
An international organization providing emergency relief and development support to those impacted by poverty and conflict, helping them thrive in resilient societies |
1,128 |
| 6 |
International NGO Safety Organisation (INSO)ngosafety.org
A dedicated NGO providing free safety services to humanitarian organizations, including incident tracking, crisis management support, staff training, and risk management assistance |
1,097 |
| 7 |
Oxfam Noviboxfamnovib.nl
This company advocates for equality and supports those fighting against growing disparities, injustice, and climate change, believing in the power of support to drive change |
746 |
| 8 | 629 | |
| 9 |
De Dierenbeschermingdierenbescherming.nl
An organization in the Netherlands advocating for animal welfare through shelters, inspections, education, and lobbying for laws to protect animals |
575 |
| 10 |
BRAC Internationalbracinternational.org
A global non-profit organization empowering individuals and communities through social development, microfinance, and social entrepreneurship to overcome poverty and achieve self-reliance |
556 |
| 11 |
IKEA Foundationikeafoundation.org
Strategic philanthropy focused on combating poverty and climate change through grants to improve family livelihoods and protect the planet |
551 |
| 12 |
Centrum Voor Dienstverleningcvd.nl
A large social service organization in Rotterdam providing professional support to help residents utilize their talents through a variety of services and products |
533 |
| 13 |
Council of International Schoolscois.org
Global membership community shaping international education through professional services for schools, higher education institutions, and individuals committed to high quality education for global citizens |
507 |
| 14 |
kindeRdamkinderdam.nl
The company offers childcare services for children aged 0-13, including full-day care, before/after school care, holiday care, and more across 40 locations |
440 |
| 15 |
IPSF - International Pharmaceutical Students'β Federationipsf.org
An international student volunteer organization advocating for pharmacy students worldwide to improve public health through education, networking, and professional initiatives |
436 |
| 16 | 423 | |
| 17 |
Koninklijke Bouwend Nederlandbouwendnederland.nl
The company plays a crucial role in creating space for construction and infrastructure companies to contribute to optimizing the spatial layout of the Netherlands responsibly |
411 |
| 18 |
SchuldHulpMaatjeschuldhulpmaatje.nl
A non-profit organization in the Netherlands helps individuals with financial problems early on through volunteer support, behavior change, and financial guidance |
395 |
| 19 | 385 | |
| 20 |
KNCV TB Plustuberculose.nl
A Dutch NGO working to eliminate tuberculosis through evidence generation, technical assistance, policy development, and advocacy at national and global levels |
369 |
| 21 | 368 | |
| 22 |
ICCO (Part of Cordaid)cordaid.org
We work to empower farmers and small businesses in low and middle-income countries, aiming to address global challenges and reduce poverty |
358 |
| 23 |
VNO-NCWvno-ncw.nl
Representing Dutch business interests, providing services to members, promoting a favorable business environment, influencing government policies, and participating in advisory committees |
350 |
| 24 | 347 | |
| 25 |
KesslerPerspektiefkesslerperspektief.nl
A social care organization providing professional support and accommodations for vulnerable individuals in the region, offering services at home or in various locations |
345 |
| 26 |
Hartstichtinghartstichting.nl
Aiming to improve heart health in the Netherlands, this organization raises awareness and funds to prevent heart and vascular diseases Visit hartstichtingnl for more information |
338 |
| 27 | 332 | |
| 28 |
Mooi Sociaalmooisociaal.nl
An independent foundation coordinating youth teams in South Holland, promoting empowerment and providing support within families' own environment |
307 |
| 29 |
Save the Children Nederlandsavethechildren.nl
The company is dedicated to improving the lives of millions of children by advocating for their rights to education, healthcare, and protection |
205 |
| 30 |
AIESEC in the Netherlandsaiesec.nl
Global talent recruitment focusing on young professionals worldwide, ensuring the right match for both employers and candidates |
193 |
| 31 |
Woord en Daadwoordendaad.nl
A Dutch Christian foundation fighting poverty worldwide, connecting with partners to create sustainable transformation and bring about a world without suffering |
183 |
| 32 |
JGZ Zuid-Holland Westjgzzhw.nl
The company supports parents in raising and caring for their children, providing advice, medical care, and psychosocial support to ensure healthy and safe development |
182 |
| 33 |
Provaluprovalu.nl
Provalu is a hub connecting partners and employers in the region, promoting inclusivity in the labor market through work, development, and reintegration initiatives |
182 |
| 34 |
KomKids Kinderopvangkomkids.nl
A childcare organization formed from the merger of two foundations, focused on quality and growth, with emphasis on staff and management support |
170 |
| 35 |
Stichting Ondernemersklankbordondernemersklankbord.nl
A company providing guidance to entrepreneurs in the mkb sector through a 6-month advisory program, matching them with experienced advisors for various business needs |
168 |
| 36 |
MKB-Nederlandmkb.nl
A prominent entrepreneurs organization in the Netherlands, representing over 150,000 businesses, focused on creating a favorable business climate through effective lobbying and services |
166 |
| 37 |
Stimuleringsfonds Creatieve Industriestimuleringsfonds.nl
Cultural fund supporting research and innovation in design, architecture, and digital culture on behalf of the government |
158 |
| 38 |
Stichting De Hoeksche Schooldehoekscheschool.nl
A network of 20 primary schools, 1 school for special primary education, and 2 secondary schools evolving into integrated child centers focusing on education and childcare |
158 |
| 39 |
Sectorinstituut Transport en Logistiekstl.nl
Improving mobility in the transport and logistics sector through workforce recruitment and enhancing sustainable employability Facilitating collaboration, sharing knowledge, and organizing events for continuous learning |
155 |
| 40 |
Kinderopvang Morgenkinderopvangmorgen.nl
Morgen is a non-profit organization providing tailored childcare solutions in collaboration with schools, municipalities, and other partners, aiming for equal access to quality childcare |
154 |
| 41 |
Participe - maakt meedoen mogelijkparticipe.nu
Participe is a dynamic partner in innovative collaborations, specializing in Wmo and well-being to support residents and promote participation over dependence |
150 |
| 42 |
Stichting Lezen en Schrijvenlezenenschrijven.nl
The organization promotes literacy in the Netherlands by raising awareness, providing support, and organizing education programs for adults Resulting in improved well-being for thousands |
147 |
| 43 |
CBI - Centre for the Promotion of Imports from developing countriescbi.eu
A Netherlands-based agency promotes exports from developing countries to Western Europe through services and coaching programs for manufacturers and exporters |
134 |
| 44 |
Cultuurhuis Garenspinnerijcultuurhuisgarenspinnerij.nl
A cultural hub in Gouda, providing a cozy and welcoming space for community members to connect and engage in various activities |
48 |
| 45 |
Politie Veteranen Platformpolitie.nl
The company formed a national platform in 2011 to support police veterans and officers with military experience, providing a trusted environment and knowledge sharing |
8 |
| 46 |
URDA NETHERLANDSurda.nl
A humanitarian foundation inspired by URDA Lebanon, providing support for refugees through relief, healthcare, education, and development programs internationally |
3 |
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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.
More company lists in South Holland
- The largest companies in South Holland 2,082
- Transportation, Logistics, Supply Chain and Storage companies in South Holland 219
- Retail chains in South Holland 150
- Logistics companies in South Holland 142
- Software Development companies in South Holland 127
- SaaS companies in South Holland 125
- Critical infrastructure operators in South Holland 122
- Truck Transportation companies in South Holland 109
- Financial services firms in South Holland 107
- Hospitals and Health Care companies in South Holland 103
- Family-owned companies in South Holland 99
- Financial Services companies in South Holland 86
- IT Services and IT Consulting companies in South Holland 81
- Healthcare providers in South Holland 79
- Government Administration companies in South Holland 75
- Food and Beverage Manufacturing companies in South Holland 67
- Distributors and wholesalers in South Holland 65
- Public sector organisations in South Holland 61
- Insurance companies in South Holland 57
- Restaurants companies in South Holland 54
- Wellness and Fitness Services companies in South Holland 52
- Hotel and hospitality groups in South Holland 51
- IT services companies in South Holland 50
- Manufacturers in South Holland 50