| # | Company | Employees |
|---|---|---|
| 1 |
European Commissioncommission.europa.eu
An independent body representing the EU, the Commission prepares legislation, administers budgets, and cooperates with member countries on policy programs |
34,000 |
| 2 |
Workingfor.beworkingfor.be
A job platform within the federal administration offering diverse opportunities for personal and professional development with a focus on work-life balance |
17,451 |
| 3 | 6,591 | |
| 4 |
Vlaamse overheidvlaanderen.be
An inclusive employer offering diverse roles in various fields at different locations in Flanders, emphasizing talent and commitment for societal impact |
5,928 |
| 5 |
FOD Justitie SPF Justicejustice.belgium.be
Supports courts and tribunals, facilitates law creation and enforcement, collaborates with intelligence, mediation, criminology, and legal publication partners. |
5,800 |
| 6 |
Council of the European Unionconsilium.europa.eu
Decision-making body of the European Union, passing laws, coordinating economic policies, implementing foreign and security policies, and adopting international agreements on behalf of the EU |
2,421 |
| 7 |
SPF Intérieur - FOD Binnenlandse Zakenibz.be
The company prepares and executes policies related to civil security, crisis management, immigration, citizen services, digital solutions, and election organization It is seeking diverse professionals to join its team |
1,834 |
| 8 |
FOD Economie / SPF Economie / FPS Economyfgov.be
Working in the Belgian and international economic sector, the organization aims to create competitive and sustainable conditions for the goods and services market |
1,277 |
| 9 |
Actirisactiris.brussels
Provider of tailored solutions for employment in Brussels, offering services for both employers and jobseekers through partnerships with over 150 organizations |
1,139 |
| 10 |
FAVV-AFSCAfavv-afsca.be
Preservation of food chain safety and quality, control of food, feed, fertilizers, phytopharmaceuticals, and prevention of animal and plant diseases. |
955 |
| 11 |
European Innovation Council and SMEs Executive Agency (EISMEA)eismea.ec.europa.eu
Managing all activities of the European Innovation Council and SME programs, supporting small and medium-sized enterprises in Europe Follow on Twitter for updates |
913 |
| 12 |
European Economic and Social Committeeeesc.europa.eu
Representing Europe's socio-occupational interest groups, providing a platform for civil society organizations to voice opinions on EU issues to influence legislation |
788 |
| 13 |
Office de la Naissance et de l'Enfanceone.be
Reference organization for child policies, protection, medical-social support, out-of-family care, and parental assistance from perinatal period onward. |
776 |
| 14 |
European Research Executive Agency (REA)rea.ec.europa.eu
Specializing in financing top-notch research and innovation projects in Europe, while adhering to a strict social media policy |
770 |
| 15 |
FPS Policy and Supportbosa.belgium.be
A federal partner specializing in IT, HR, organizational control, integrity policy, and oversight in areas like budget and accounting |
711 |
| 16 |
FOD Mobiliteit en Vervoer / SPF Mobilité et Transportsmobilit.belgium.be
The organization focuses on transportation in Belgium, ensuring safety, environmental protection, and economic viability in road, water, rail, and air travel |
708 |
| 17 |
Sport Vlaanderensport.vlaanderen
The organization works to make sports accessible and high-quality for everyone in Flanders, supporting infrastructure, training, and offering various sports programs and facilities for all ages. |
679 |
| 18 |
CINEA - European Climate, Infrastructure and Environment Executive Agencycinea.ec.europa.eu
Management of EU programmes supporting climate action, energy, transport, biodiversity, circular economy, and just transition financing initiatives. |
675 |
| 19 |
FOD Sociale Zekerheid - SPF Sécurité Socialesocialsecurity.belgium.be
The organization provides quality support in social policy preparation and services to various social groups, including disabled individuals, self-employed workers, employers, and employees |
615 |
| 20 |
RSZ - ONSSrsz.be
Collection and management of employer and employee social contributions to finance social security branches and administrative data distribution. |
611 |
| 21 |
VLAIO - Flanders Innovation & Entrepreneurshipvlaio.be
Support innovation and entrepreneurship through collaboration with partners to enhance business climate, sustainable economic growth, and job creation. |
609 |
| 22 |
Bruxelles-Propreté | Net Brusselarp-gan.be
A regional organization in Brussels overseeing waste collection, treatment, cleaning, and awareness initiatives to promote a healthier city environment |
501 |
| 23 |
Agentschap Justitie en Handhavingvlaanderen.be
The company combines resources from various departments to promote safety, justice, and support for offenders, victims, and the community in Flanders |
485 |
| 24 |
Vlaamse Gemeenschapscommissievgc.be
Supports Dutch-speaking life in Brussels through improving education, culture, leisure activities, and healthcare for all residents in the area |
443 |
| 25 |
Service public régional de Bruxellesservicepublic.brussels
Main Brussels government agency implementing regional policies, ensuring quality public services for citizens and businesses with transparency and sustainability. |
422 |
| 26 |
Digitaal Vlaanderenvlaanderen.be
Support digital transformation initiatives for government, enhancing public services through innovative technology and efficient digital solutions. |
415 |
| 27 |
RSVZ - INASTIrsvz.be
The organization provides social protection for self-employed individuals, assists with starting a business, manages pensions, and fights against fraud |
381 |
| 28 |
European Health and Digital Executive Agency (HaDEA)hadea.ec.europa.eu
Implementing European health, food safety, digital, industry, and space programs to boost Europe with a healthy society and competitive economy |
366 |
| 29 |
Agentschap voor Natuur en Bosnatuurenbos.be
Aiming to increase biodiversity and nature enjoyment throughout Flanders, this organization manages nature reserves, supports green projects, and organizes events to promote nature exploration |
348 |
| 30 |
SPF Emploi, Travail et Concertation socialeemploi.belgique.be
The organization ensures a balanced relationship between workers and employers, implementing and overseeing policies related to labor relations, well-being, and employment |
345 |
| 31 |
FOD Werkgelegenheid, Arbeid en Sociaal Overlegwerk.belgie.be
The organization ensures balance and promotes labor relations, workplace well-being, employment, and diversity, both nationally and internationally |
344 |
| 32 |
hub.brusselshub.brussels
Support entrepreneurs with personalized advice, promote sustainable economic transformation, facilitate international trade, and foster social and environmental innovation in Brussels. |
342 |
| 33 |
CGVS/CGRA Officialcgra.be
This organization provides asylum to individuals fleeing persecution or war, offering a safe haven for those in need of protection |
327 |
| 34 |
Parlement bruxellois - Brussels Parlementparlement.brussels
The company plays a key role in the political life of Belgium, overseeing the legislative and executive powers of the Brussels-Capital Region |
317 |
| 35 |
Departement Zorgdepartementzorg.be
Working towards a caring and healthy society by strengthening support for vulnerable individuals, promoting healthy lifestyles, and ensuring quality healthcare services accessibility |
308 |
| 36 |
Vlaamse Trainersschoolsport.vlaanderen
An organization offering a wide range of sports coaching and training programs, including sport-specific courses, general coaching courses, and programs for athletes with disabilities |
181 |
| 37 |
SLRB • BGHMslrb-bghm.brussels
A public interest institution in Brussels develops and promotes public housing, advises housing associations, manages budgets, initiates construction projects, and supports climate goals |
180 |
| 38 | 180 | |
| 39 |
Instruction publique de la Ville de Bruxellesinstructionpublique.bruxelles.be
A non-denominational education institution in Brussels with over 120 schools covering all levels, as well as libraries, student support centers, and health centers |
176 |
| 40 | 175 | |
| 41 |
CPAS - OCMW Molenbeekcpas-molenbeek.be
The company provides social welfare services in Belgium through centers aimed at ensuring a dignified life for everyone |
175 |
| 42 |
Iriscareiriscare.brussels
IRISCARE is a public interest organization responsible for managing healthcare, social assistance, and family benefits transferred from the federal level to the Cocom |
173 |
| 43 |
Bruxelles Mobilité - Brussel Mobiliteitmobilite-mobiliteit.brussels
Public administration responsible for mobility in the Brussels-Capital Region Focus on strategies, infrastructure, road safety, public spaces, public transport, and taxi services for improved urban mobility |
171 |
| 44 |
Permanent Representation of Malta to the European Unionmissions.foreign.gov.mt
Representing and safeguarding Malta's interests at the European level is the primary focus of the company |
162 |
| 45 |
Office des étrangers - Dienst Vreemdelingenzakendofi.ibz.be
This organization implements Belgian government policies on migration, overseeing entry, residence, settlement, and removal of foreigners while ensuring compliance with regulations |
162 |
| 46 |
Departement Werk en Sociale Economievlaanderen.be
This department is responsible for employment policy, social economy, and managing the European Social Fund in Flanders |
161 |
| 47 | 161 | |
| 48 |
parking.brusselsparking.brussels
Agency managing and implementing parking policies in Brussels-Capital Region, ensuring coherence and functioning of regional parking plans. |
161 |
| 49 |
NICC/INCCnicc.fgov.be
A federal scientific institution in Belgium that provides research and expertise to support the judicial process in detecting offenders and understanding criminal behavior |
153 |
| 50 |
EU Knowledge Hub on Prevention of Radicalisationhome-affairs.ec.europa.eu
A network of frontline practitioners in Europe working with individuals who have been radicalized or are at risk of radicalization |
152 |
| 51 |
CAAMI - HZIV - HKIVcaami-hziv.fgov.be
An institution providing mandatory healthcare and disability insurance services with a public status, welcoming all individuals and handling reimbursements and social services |
146 |
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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 9, 2026.
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- Advertising Services companies in Brussels 30
- Non-profit Organizations companies in Brussels 30