| # | Company | Employees |
|---|---|---|
| 1 |
BNP Paribas Fortisbnpparibasfortis.be
A financial institution dedicated to positive growth, offering solutions to make customers' lives easier and promoting sustainability through various initiatives |
13,663 |
| 2 |
KBC Bank & Verzekeringkbc.be
A leading integrated bank-insurer focused on individuals, private banking clients, and small to medium-sized enterprises in Belgium, Central and Eastern Europe Operating worldwide selectively |
13,565 |
| 3 |
Proximus Groupproximus.com
Provider of connectivity and digital services in Benelux and global markets, investing in networks, digital ecosystems, and innovative communication solutions. |
13,297 |
| 4 | 9,028 | |
| 5 |
NMBS-SNCBbelgiantrain.be
Belgian transport company focused on safe, eco-friendly travel with a customer-centric approach, emphasizing punctuality, career development, and railway family values |
8,702 |
| 6 |
Belfiusbelfius.be
Provides financial products and services to a wide range of clients, from individuals to large corporations and local governments, focusing on societal impact. |
7,291 |
| 7 |
Eurocleareuroclear.com
A global provider of settlement and related services for bond, equity, ETFs, and mutual fund transactions, with a diverse and inclusive culture |
5,937 |
| 8 | 5,640 | |
| 9 |
bpostgroupbpostgroup.com
The company focuses on creating connections through personalized services, constant improvement, challenging projects, collaborations, latest technologies, job opportunities, and training programs |
5,309 |
| 10 |
Infrabelinfrabel.be
A Belgian company maintaining railway infrastructure, coordinating train traffic, and focusing on innovation to develop sustainable and modern mobility solutions |
5,279 |
| 11 |
UZ Leuvenuzleuven.be
The company is a leading healthcare institution in Belgium and Europe, specializing in patient care, medical education, and groundbreaking scientific research |
4,900 |
| 12 |
ING Belgiuming.com
Global financial institution driving sustainable progress through innovation, technology, and customer-centric banking, with diverse teams shaping the future |
4,728 |
| 13 |
Telenet grouptelenet.be
A leading provider of media, telecommunications, and entertainment services in Belgium, offering seamless connectivity, innovative products, and superior customer experiences across three main brands |
4,238 |
| 14 |
STIB-MIVBstib-mivb.be
Public urban transport network serving Brussels and surrounding communes with metro, tram, bus, and night bus lines for commuters. |
4,232 |
| 15 |
AG Insuranceag.be
Leading insurer in Belgium with a 200-year history, focusing on long-term relationships, sustainability, employee growth, and investing in the local economy |
4,068 |
| 16 |
Fluviusfluvius.be
A multi-utility provider in Flanders managing millions of connections for electricity, gas, cable, and sewage in all 300 Flemish municipalities |
3,771 |
| 17 | 3,767 | |
| 18 |
ENGIE Belgiumengie.be
Belgian market leader in electricity, natural gas, and energy services, offering innovative solutions for more economical, low-carbon energy use |
3,272 |
| 19 | 3,264 | |
| 20 |
Brussels Airlinesbrusselsairlines.com
Airline connecting Brussels with over 90 destinations including Africa, focusing on sustainability and promoting Belgian culture globally. |
3,064 |
| 21 |
Elia Groupelia.be
Operation of extensive high-voltage electricity transmission networks in Belgium and Germany, ensuring balanced supply and supporting energy transition. |
2,759 |
| 22 |
UZ Brusseluzbrussel.be
Quality healthcare in a Dutch-speaking university hospital, providing care for all regardless of language or beliefs, while respecting individual autonomy |
2,704 |
| 23 |
EUROCONTROLeurocontrol.int
The company supports European aviation by delivering technical excellence and expertise in air traffic management, addressing industry challenges and promoting future evolution |
2,639 |
| 24 | 2,600 | |
| 25 | 2,461 | |
| 26 |
Argentaargenta.be
A growing banking and insurance group in Belgium with nearly 500 offices, offering a customer-friendly approach to providing savings, investments, loans, and insurance products |
2,455 |
| 27 |
CHU de Liègechuliege.be
A public, university hospital in Liège, Belgium offering a wide range of healthcare professions, prioritizing patient care, and providing stability and work-life balance |
2,333 |
| 28 | 2,262 | |
| 29 |
CHIREC Hospital Groupchirec.be
The organization operates multiple hospital sites, offering a wide range of medical and surgical services, along with day care centers and polyclinics |
2,241 |
| 30 |
Independent Health Insurance Fundsmloz.be
Group of three independent Belgian health insurance funds providing coverage and well-being services to over 2.3 million members nationwide. |
2,237 |
| 31 | 2,166 | |
| 32 |
P&V Groupchouettejob.be
Belgian cooperative insurance group offering insurance solutions for individuals, self-employed, businesses, and institutions through independent brokers and exclusive agents Developing legal protection solutions under separate label |
2,139 |
| 33 |
ZNA - Ziekenhuis Netwerk Antwerpenzas.be
Leading healthcare organization in Belgium offering accessible and quality healthcare services through multiple hospitals, day centers, specialized facilities, and dedicated staff |
2,042 |
| 34 |
CHU Brugmannchu-brugmann.be
A large hospital in Brussels with 853 beds, 29,000 admissions, and 360,000 outpatient visits annually Known for its social, university, and technical characteristics |
1,943 |
| 35 |
Cliniques universitaires Saint-Lucsaintluc.be
Leading academic hospital in Brussels, offering specialized care, research, and education to patients from Belgium and beyond, with a focus on patient-centered values and collaboration |
1,889 |
| 36 |
National Bank of Belgiumnbb.be
Ensuring economic stability through price control, financial system security, safe cash, efficient payments, and providing financial data and analysis. |
1,832 |
| 37 |
Ziekenhuis Oost-Limburg (ZOL)zol.be
A public hospital with over 1000 beds, 400 doctors, and 3900 employees across 4 campuses, providing high-quality medical care |
1,779 |
| 38 | 1,756 | |
| 39 |
Jessa Ziekenhuisjessazh.be
Prioritizing patient care over size, this organization aims to excel in delivering healthcare services with a focus on quality and compassion |
1,736 |
| 40 | 1,648 | |
| 41 |
Hôpital Erasme - Cliniques Universitaires de Bruxelleserasme.ulb.ac.be
Academic hospital affiliated with a university, providing patient care, education, and research in various specialized fields with over 3,000 staff members |
1,633 |
| 42 |
AZ Sint-Jan Brugge AVazsintjan.be
A healthcare institution in West-Flanders providing innovative, inclusive healthcare with a focus on top medical domains and extensive collaborations for quality care |
1,613 |
| 43 |
Baloise BEbaloise.be
Insurance company offering tailored solutions for individuals and businesses, focusing on customer priority, innovation, and sustainable partnerships. |
1,606 |
| 44 |
AZ Deltaazdelta.be
Multicampus hospital with 1400 beds, 385 specialists, and 4000 staff providing high-quality, patient-centered medical care and services. |
1,590 |
| 45 |
CHC Groupe santéchc.be
A network of healthcare facilities in the province of Liège providing advanced technology and quality service for effective and compassionate medical care |
1,535 |
| 46 |
Hôpital Citadellecitadelle.be
Large public hospital offering advanced medical treatments across all pathologies, emphasizing patient-centered care, solidarity, and regional employment. |
1,515 |
| 47 |
az groeningeazgroeninge.be
A dynamic healthcare organization with a network of hospitals, focusing on quality care, innovation, and patient-centered services with a diverse and collaborative approach |
1,501 |
| 48 |
Brussels Airportbrusselsairport.be
Handling millions of passengers and freight annually, connecting Belgium globally, creating thousands of jobs, and operating as a key economic hub. |
1,493 |
| 49 |
Zorgbedrijf Antwerpenzorgbedrijf.antwerpen.be
A provider of a wide range of care services including service flats, home care, youth services, and products for seniors in Antwerp |
1,480 |
| 50 |
Degroof Petercamdegroofpetercam.com
Belgian investment house providing wealth management, investment management, and investment banking services to private families, corporations, and institutional investors across Europe and Asia. |
1,448 |
| 51 |
CHU UCL Namurchuuclnamur.be
Private hospital offering extensive medical and surgical care, maternity services, cancer treatment, advanced imaging, and personalized patient support. |
1,442 |
| 52 |
CHU de Charleroi - ISPPChumani.be
A healthcare group comprising multiple hospitals, day clinics, dialysis centers, and nursing homes, employing 6000 staff and 600 doctors, with research and educational facilities |
1,378 |
| 53 |
Luminusluminus.be
A leading energy company in Belgium, specializing in onshore wind energy, hydropower, and natural gas power plants to provide electricity and energy services |
1,365 |
| 54 | 1,357 | |
| 55 |
Bpostbpostgroup.com
bpost connects people, businesses, and communities through personalized service, continuously improving products and services, offering challenging projects, collaborations, and job opportunities |
1,321 |
| 56 |
Beobank NV/SAbeobank.be
Belgian bank supporting individuals, self-employed, and SMEs with banking products, services, and personalized solutions through its network and dedicated coworkers. |
1,301 |
| 57 |
UMC Sint-Pieter - CHU Saint-Pierrestpierre-bru.be
Affiliated with top medical schools, the organization provides health teaching, research, and clinical services in various specialties with a focus on minimally-invasive techniques |
1,263 |
| 58 |
Fluxysfluxys.com
A global energy infrastructure group focused on transporting carbon-neutral energy carriers, storing carbon dioxide, and operating gas transmission & storage facilities |
1,259 |
| 59 |
Port of Antwerp-Brugesportofantwerpbruges.com
Management and maintenance of port infrastructure, ensuring safe shipping traffic, providing equipment, and promoting sustainable port development and growth. |
1,257 |
| 60 | 1,253 | |
| 61 | 1,216 | |
| 62 |
OLV Ziekenhuis Aalst-Asse-Ninoveolvz.be
A leading private hospital in Belgium with a strong national and international reputation, providing expert patient care and opportunities for driven professionals to grow |
1,177 |
| 63 |
Ageas Groupageas.com
An international insurance group with over 190 years of experience offering life and non-life insurance products tailored for retail and business customers |
1,174 |
| 64 |
Grand Hôpital de Charleroighdc.be
Large modern hospital complex offering comprehensive acute and chronic medical care with specialized departments, advanced technology, and patient-centered services. |
1,169 |
| 65 |
Emmaus
Providing comprehensive health and welfare services through a network of over 20 facilities, including hospitals, mental health care, elder care, and support for disabilities and families |
1,106 |
| 66 |
AZ Sint-Lucas Gentazstlucas.be
A modern and social hospital located in Gent, with medical centers in other towns, offering hospitalization and day care services |
1,100 |
| 67 |
CBC Banque & Assurancecbc.be
Independent Belgian bank and insurance provider with extensive regional presence, focusing on long-term client relationships and high-value solutions. |
1,081 |
| 68 |
AZ Maria Middelaresmariamiddelares.be
A pioneering hospital in the outskirts of Gent, offering cutting-edge medical care with a focus on patient experience and building strategic partnerships for superior healthcare services |
1,079 |
| 69 |
Circet Beneluxcircet-benelux.eu
Building and managing vital infrastructure with expertise in fiber optic networks, mobile telecom, EV charging stations, and smart meters across borders |
1,071 |
| 70 |
RIZIV-INAMIriziv.be
An institute providing health and disability insurance in Belgium, ensuring coverage and support for individuals facing medical and physical challenges |
1,035 |
| 71 |
Aquafinaquafin.be
Specializing in wastewater treatment infrastructure in Flanders, collecting and treating household wastewater to meet European and Flemish standards, contributing to a cleaner environment |
1,024 |
| 72 |
Belfius Insurancebelfius.be
Offering life and non-life insurance products through multiple brands to individuals, professionals, companies, social organizations, and governments in Belgium and Luxembourg. |
1,023 |
| 73 |
Centre Hospitalier EpiCURAepicura.be
Regional hospital network with three hospitals and five polyclinics offering quality medical care, advanced technology, and diverse healthcare services. |
999 |
| 74 | 982 | |
| 75 |
Lineaslineas.net
A company focused on shifting freight transport from road to rail in Europe, offering superior rail solutions to optimize supply chains and reduce environmental impact |
979 |
| 76 |
GZA Ziekenhuizengzaziekenhuizen.be
Announcement of merger between two hospitals, directing followers to a new LinkedIn account for future updates and news. |
972 |
| 77 |
Helan. Helemaal welzijn.helan.be
A well-being group providing efficient healthcare services, insurance, home care, childcare, and more with a focus on employee empowerment and unique approach to work |
961 |
| 78 | 958 | |
| 79 |
Jessa ziekenhuisjessazh.be
A leading Flemish hospital providing top clinical medicine and high-quality patient care with extensive medical services, cutting-edge technology, and affordable healthcare |
953 |
| 80 |
Sibelgasibelga.be
The company operates as a distribution network operator for electricity and natural gas in the Brussels region, managing distribution networks |
944 |
| 81 |
bpost banque / bpost bankbpostbanque.be
A Belgian bank offering a range of simple, secure, and accessible banking services, including mortgages, through a unique partnership model |
942 |
| 82 |
Clinique saint pierrecspo.be
Providing quality hospital care with ongoing infrastructure improvements, patient support, and a focus on comfort during hospital stays. |
923 |
| 83 |
AZ Turnhoutazturnhout.be
Healthcare organization providing top-quality care with a welcoming approach, offering career advancement, work-life balance, and employee benefits to motivated individuals Apply now! |
913 |
| 84 | 893 | |
| 85 | 890 | |
| 86 |
Veolia | Belgium & Luxembourgveolia.be
Leading provider in Belgium and Luxembourg offering integrated solutions for water, waste, and energy management, aiming to reduce environmental impact and accelerate ecological transition |
885 |
| 87 |
AZ Klinaazklina.be
Leading hospital in the North Antwerp region, providing high-quality, patient-centered healthcare with modern infrastructure, advanced technologies, and a wide range of medical specialties across 3 campuses |
883 |
| 88 |
Cliniques de l'Europe / Europa Ziekenhuizencliniquesdeleurope.be
Provides comprehensive healthcare services with advanced medical technology, ensuring high-quality, personalized care for patients in a modern hospital environment. |
854 |
| 89 |
De Watergroepdewatergroep.be
The largest water supplier in Flanders, delivering water to 29 million customers in 175 municipalities, and involved in sewage networks and industrial water projects |
853 |
| 90 |
Institut Jules Bordetbordet.be
Specialized hospital providing advanced cancer diagnosis, treatment, research, and high-level university education focused on all cancer types. |
851 |
| 91 |
Solidaris Walloniesolidaris.be
Health access for all in Belgium through managing health insurance Providing support for 3 million affiliates with 10,000 staff committed to their needs |
829 |
| 92 |
Centre Hospitalier Régional Sambre et Meuse (CHRSM)chrsm.be
A major regional hospital group with two sites providing high-quality healthcare, with over 700 beds and 3,000+ staff offering a wide range of medical services |
822 |
| 93 | 819 | |
| 94 |
Centre Hospitalier de Wallonie picardechwapi.be
A major healthcare institution in Wallonia with three hospital sites and a clinic, focusing on patient well-being and optimal care |
813 |
| 95 |
Delen Private Bankdelen.bank
Financial and legal guidance for family assets through personal relationship managers, sustainable investment strategies, digital banking channels, and comprehensive long-term future estate planning. |
804 |
| 96 |
Groupe Jolimontjolimont.be
A healthcare group in Wallonia and Hainaut with over 5,500 employees, providing hospital and outpatient care, childcare, elderly care, and support services |
796 |
| 97 |
Imeldaziekenhuis Bonheidenimelda.be
A general hospital providing quality care with 1400 employees and 150 doctors in a peaceful forest setting, emphasizing compassion and innovation |
796 |
| 98 |
Hôpitaux Iris Sud - Iris Ziekenhuizen Zuidhis-izz.be
Multisite hospital network in Brussels providing comprehensive, multidisciplinary medical care with patient-centered approach, employing over 2,000 healthcare professionals. |
780 |
| 99 |
Clinic Saint-Jean Brusselsclstjean.be
A large private hospital in Brussels with a staff of 1800 providing specialized care in ambulatory and hospital settings, placing patient care at the forefront |
777 |
| 100 |
BNP Paribas Factoringbnpparibas.com
Factoring services across 15 countries, offering tailored domestic and international solutions with harmonized contracts and single contact point. |
774 |
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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 Belgium
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