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The 100 largest professional services firms in Flanders

Tamtam tracks 263 professional services firms headquartered in Flanders. This list ranks the 100 largest by number of employees on LinkedIn, led by House of HR, Cegeka and delaware International. Their median headcount is 427. Half of them were founded in 1995 or later. The most common headquarters are Antwerp (20), Kortrijk (10) and Ghent (6).

πŸ‡§πŸ‡ͺ Flanders100 companiesUpdated Nov 11, 2026

These are professional services firms in Flanders, many of them large employers. Human resources and IT services are prominent. House of HR provides staffing solutions across various industries, while Cegeka and delaware International offer IT solutions and business transformation services. Deloitte Belgium and KPMG Belgium are significant players in management and business consulting.

A notable pattern is the concentration of headquarters in Kortrijk, which hosts House of HR, delaware International, delaware BeLux, House Of Talents BE, and AGO Jobs & HR. Zaventem also features prominently, with Deloitte Belgium, KPMG Belgium, Orizio Group, and BDO Belgium.

#CompanyIndustryHeadquarters EmployeesFounded
1
House of HRhouseofhr.com

Provides skilled professionals and specialized staffing solutions across industries, including engineering, consulting, digital recruitment, and permanent placements.

Human Resources Services πŸ‡§πŸ‡ͺ Kortrijk 8,123 n/a
2
Cegekacegeka.com

A family-owned IT solutions provider focused on creating personalized customer experiences, aiming to become the leading European orchestrator of digital business platforms

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Hasselt 5,167 1992
3
delaware Internationaldelaware.pro

Provides advanced business transformation solutions and services using SAP and Microsoft ecosystems, ensuring continuous improvement and sustainability.

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Kortrijk 3,291 2003
4
Deloitte Belgiumdeloitte.com

A leading audit and consulting practice in Belgium offering services in audit, accounting, tax, consulting, and financial advisory to national and international clients

Management Consulting πŸ‡§πŸ‡ͺ Zaventem 2,840 1953
5
Accent Jobsaccentjobs.be

Personalized recruitment services connecting job seekers and companies with flexible, permanent, local, and international job opportunities efficiently.

Human Resources Services πŸ‡§πŸ‡ͺ Roeselare 1,940 1995
6
delaware BeLuxdelaware.pro

Global provider of advanced IT solutions and services, guiding organizations through business and digital transformations with a focus on innovation, technology, and sustainability

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Kortrijk 1,875 2003
7
KPMG Belgiumkpmg.com

Helping organizations harness data to drive digitalization, manage risk, optimize costs, and stay relevant through technology, innovation, and compliance

Business Consulting and Services πŸ‡§πŸ‡ͺ Zaventem 1,721 n/a
8
Orizio Grouporizio-group.com

International aerospace ecosystem focusing on design, manufacturing, maintenance, and engineering services for aviation, space, and UAV markets through specialized high-tech subsidiary companies.

Aviation and Aerospace Component Manufacturing πŸ‡§πŸ‡ͺ Zaventem 1,609 2020
9
PwC Belgiumpwc.be

Global network committed to solving important problems, building trust, and providing quality assurance, advisory, and tax services in 156 countries

Accounting πŸ‡§πŸ‡ͺ Diegem 1,594 n/a
10
VinΓ§ottevincotte.be

It offers objective advisory services in inspection, certification, conformity assessment, and training, contributing to a safer, more efficient society for businesses and individuals.

Public Safety πŸ‡§πŸ‡ͺ Vilvoorde 1,504 1872
11
House Of Talents BEhouseoftalents.be

Specializing in matching candidates to job opportunities and filling client vacancies, this service group employs over 1,000 people across 13 specialized talents

Human Resources Services πŸ‡§πŸ‡ͺ Kortrijk 1,359 2008
12
Randstad Belgiumrandstad.be

Specializes in temporary staffing, ICT, engineering, life sciences, HR, finance, sales, and offers HR services like outplacement and assessments.

Human Resources Services πŸ‡§πŸ‡ͺ Strombeek-Bever 1,176 1965
13
AGO Jobs & HRago.jobs

Provides nationwide HR services with specialized divisions, focusing on authentic relationships and employees speaking clients' language sincerely and constructively.

Human Resources Services πŸ‡§πŸ‡ͺ Kortrijk 1,091 1986
14
RMCrmconsulting.be

Specializing in Oracle E-Business Suite and Oracle Cloud applications, we provide implementation, consulting, training, upgrades, business intelligence solutions, and maintenance support services

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Kontich 988 2000
15
BDO Belgiumbdo.be

Providing audit, tax, legal, accounting, and advisory services with a personal approach, local presence, and global expertise for sustainable growth.

Business Consulting and Services πŸ‡§πŸ‡ͺ Zaventem 987 1967
16
Logi-techniclogi-technic.be

Passionate problem solvers at a technical outsourcing agency tackling challenges with enthusiasm and expertise

Industrial Machinery Manufacturing πŸ‡§πŸ‡ͺ Jabbeke 864 n/a
17
MIDESmides.be

MIDES is an engineering firm providing technical project support, designing installations, managing projects, and offering maintenance management services

Industrial Machinery Manufacturing πŸ‡§πŸ‡ͺ Roeselare 841 1995
18
Actief Interimactief.be

Recruitment partner focusing on local, personal connections between companies and candidates, emphasizing sustainable growth and responsible business practices.

Staffing and Recruiting πŸ‡§πŸ‡ͺ Lummen 839 1988
19
QbD Groupqbdgroup.com

Support life science companies globally with regulatory, clinical, quality assurance, validation, software, and go-to-market services for medical products.

Business Consulting and Services πŸ‡§πŸ‡ͺ Antwerp 834 2011
20
Inetum-Realdolmeninetum.com

Specialized professionals guide over 800 customers worldwide in post-digital transformation, offering digital technology and innovation to optimize positive digital flow

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Huizingen 831 n/a
21
9altitudes9altitudes.com

End-to-end integrator specializing in ERP, PLM, DMS, and data solutions Improving business performance by deploying technological solutions and optimizing processes

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Kortrijk 824 2000
22
Copuscopus.group

HR group spreading joy of work, focusing on matching skilled talent with employers in technical, construction, and office roles through warm relationships

Human Resources Services πŸ‡§πŸ‡ͺ Antwerp 804 1991
23
United Consultingβ„’unitedconsulting.be

We specialize in attracting top talent in Finance, Business Support, HR, Supply Chain, and Marketing, focusing on personal growth and success stories

Business Consulting and Services πŸ‡§πŸ‡ͺ Niel 787 1998
24
GRITTgritt.be

A team of dedicated technical experts providing outsourcing services for specialized technicians, engineering consultants, and turnkey infrastructure projects

Outsourcing and Offshoring Consulting πŸ‡§πŸ‡ͺ Antwerp 759 n/a
25
Attentiaattentia.be

This company provides HR advice focused on well-being, protection, and prevention, finding optimal solutions for individuals and employing over 800 people

Human Resources Services πŸ‡§πŸ‡ͺ Ghent 739 2006
26
Projective Groupprojectivegroup.com

Specialist in delivering holistic and pragmatic change solutions for clients within the Financial Services industry to thrive.

Financial Services πŸ‡§πŸ‡ͺ Diegem 725 n/a
27
VGDvgd.eu

A knowledgeable partner supporting Flemish entrepreneurs with a wide range of business questions using proactive expertise and international connections

Financial Services πŸ‡§πŸ‡ͺ Wemmel 688 1981
28
Vanbreda Risk & Benefitsvanbreda.be

A leading insurance broker in the Benelux with 85 years of experience, offering tailor-made solutions for businesses and individuals worldwide

Insurance πŸ‡§πŸ‡ͺ Antwerp 673 1937
29
Bright Plusbrightplus.be

Expertise in multilingual labor market, providing transparent, honest recruitment advice to find suitable talent for permanent or project roles.

Staffing and Recruiting πŸ‡§πŸ‡ͺ Vilvoorde 643 n/a
30
BCCLbccl.be

Specializing in consultancy, coaching, and tailored training programs for operational staff and middle management with a practical and direct approach Also offering logistics training with accredited partners

Transportation, Logistics, Supply Chain and Storage πŸ‡§πŸ‡ͺ Ghent 630 1997
31
SBB Accountants & Advisorssbb.be

Accounting firm providing bookkeeping, taxation, environmental regulation support, strategic advice, and ICT-backed services for businesses at all stages.

Financial Services πŸ‡§πŸ‡ͺ Leuven 590 1971
32
Vandelanottevandelanotte.be

A multidisciplinary team offering accountancy, audit, tax, legal, corporate finance, HR solutions, estate planning, cyber security, subsidy advice, and risk management services

Business Consulting and Services πŸ‡§πŸ‡ͺ Kortrijk 587 1948
33
Human8wearehuman8.com

A human-driven consultancy that connects brands with people and culture to drive positive change, with a team of +900 across 23 locations worldwide

Market Research πŸ‡§πŸ‡ͺ Ghent 587 n/a
34
AEae.be

Consultancy specializing in digital transformation, providing seamless ICT solutions to help organizations achieve business objectives through customer-focused, practical advice and pragmatic solutions

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Heverlee 586 1999
35
Sabena Engineeringsabena-engineering.com

International MRO provider for Commercial Aviation and Government/Defense markets Offers maintenance and engineering solutions, including line maintenance, components repair, and engine services

Airlines and Aviation πŸ‡§πŸ‡ͺ Zaventem 577 1923
36
Ardenaardena.com

Global provider of drug development, bioanalysis, and regulatory services with expertise in advanced formulations and specialized drug delivery technologies.

Pharmaceutical Manufacturing πŸ‡§πŸ‡ͺ Ghent 566 2017
37
TECtec.be

Technical consultancy agency with experienced team of consultants specializing in various industries Offers project sourcing and builds partnerships with clients and professionals

Outsourcing and Offshoring Consulting πŸ‡§πŸ‡ͺ Antwerp 558 n/a
38
ITZU Groupitzu.eu

HR and Facility services provider focusing on people, offering recruitment, training, cleaning services, and career support for employees, clients, and partners

Human Resources Services πŸ‡§πŸ‡ͺ Hasselt 538 2016
39
Synergie Belgiumsynergiejobs.be

A team of 500 colleagues across 70+ locations in Belgium, specializing in Interim, Careers, Construct, and S&You to match individuals with the right workplaces

Human Resources Services πŸ‡§πŸ‡ͺ Antwerp 520 1969
40
AXI IT Servicesaxi.be

Innovative software and IT solutions provider for various industries, helping clients succeed and achieve their vision with offices in Netherlands and Belgium

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Willebroek 497 1985
41
Studibostudibo.be

Studibo is a group of engineering and consulting firms in Flanders, offering comprehensive services for the construction sector with a focus on customer satisfaction and continuous improvement

Engineering Services πŸ‡§πŸ‡ͺ Merelbeke 496 2022
42
Konvertkonvert.be

A team-focused staffing agency offering tailored training, professional support, work/life balance, and opportunities for personal growth within a 25 km radius

Human Resources Services πŸ‡§πŸ‡ͺ Kortrijk 493 1964
43
AlliAallia.be

Independent insurance broker in Belgium offering balanced insurance packages tailored to individual needs through market research and dedicated service

Insurance πŸ‡§πŸ‡ͺ Roeselare 484 1979
44
Tempo-Team Belgiumtempo-team.be

Providing customized HR services and recruitment solutions for flexible and fixed work arrangements, serving large companies and SMEs.

Human Resources Services πŸ‡§πŸ‡ͺ Strombeek-Bever 476 n/a
45
TriFinance Belgiumtrifinance.com

An independent international growth service provider offering advice, implementation, and support in finance and control, focusing on achieving tangible results for clients

Financial Services πŸ‡§πŸ‡ͺ Antwerp 467 2002
46
ALASKA | Advisors Accountants Auditorsalaska-group.eu

Alaska provides accountancy, tax advice, and audit services in Belgium with a focus on personalized approach and quality service They are also a member of PrimeGlobal

Financial Services πŸ‡§πŸ‡ͺ Kortrijk 466 2007
47
ABOabo.be

A leading environmental consultancy firm in Belgium, providing soil and environmental services for government, corporations, and individuals with a solution-oriented approach

Environmental Services πŸ‡§πŸ‡ͺ Gent (SDW) 448 n/a
48
Titeca Pro Accountants & Expertstiteca.be

A collaborative team of diverse professionals providing specialized expertise in various business domains, ensuring clients receive knowledgeable, experienced guidance for their future decisions

Accounting πŸ‡§πŸ‡ͺ Roeselare 438 1987
49
Agidensagidens.com

Industrial process automation partner, improving production processes daily. Provides automation solutions, digital technologies, and value-added services for safer, smarter, more flexible, and sustainable production.

Industrial Machinery Manufacturing πŸ‡§πŸ‡ͺ Zwijndrecht 434 1947
50
SDEalistar.net

The company helps modern businesses eliminate IT stress with software and infrastructure solutions to improve productivity, reduce costs, and enable growth

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Lochristi 427 1982

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51
Pauwels Consultingpauwelsconsulting.com

Staffing and managing projects with experts in engineering, life sciences, and IT for organizations across Belgium, France, and the Netherlands.

Business Consulting and Services πŸ‡§πŸ‡ͺ Diegem 426 1999
52
Contec - Industrial Automation Solutionscontec-ias.com

International engineering specializing in improving industrial processes with services in electricity, automation, MES/MOM, and industrial IT, striving for added value and preparing companies for the future

Engineering Services πŸ‡§πŸ‡ͺ Antwerp 420 1986
53
Laboreleclaborelec.com

A leading expertise and research center in electrical power technology, providing specialized services and solutions for the energy transition globally

Utilities πŸ‡§πŸ‡ͺ Linkebeek 418 n/a
54
GEOxyzgeoxyz.eu

Maritime data specialist providing hydrographic, geophysical, geotechnical, and topographical surveys alongside renewable energy support and crew transfers for offshore infrastructure development projects.

Maritime Transportation πŸ‡§πŸ‡ͺ Zwevegem 411 1998
55
Superellipsesuperellipse.be

Award-winning design and innovation agency with expertise in digital product, strategy, branding, and spatial design Partnering with clients to create impactful experiences

Design Services πŸ‡§πŸ‡ͺ Mechelen 409 1995
56
CATTAN

A management consulting firm located in Dendermonde, Belgium, specializing in providing strategic guidance and solutions for businesses

Business Consulting and Services πŸ‡§πŸ‡ͺ Dendermonde 392 n/a
57
ARTESartes.law

Specialized business law firm in IP, IT, Privacy & Security, with expertise in copyright, trademarks, patents, computer law, and commercial disputes Providing personalized legal representation

Law Practice πŸ‡§πŸ‡ͺ Antwerp 384 2018
58
INDEAindea.be

We specialize in reducing energy costs for industrial businesses through improving process efficiency and optimizing heat consumption, resulting in significant savings and reduced carbon footprint

Industrial Machinery Manufacturing πŸ‡§πŸ‡ͺ Aalst 378 2007
59
SBEsbe-engineering.com

Innovative civil engineering and electromechanical solutions provider with expertise in port, river, civil engineering, urbanism, industrial constructions, and electromechanics #expertsatplay

Civil Engineering πŸ‡§πŸ‡ͺ Sint-Niklaas 376 1988
60
Gumption Groupgumption.eu

Innovative ecosystem specializing in brand, customer experience, digital technology, and process automation Co-creating the future with interconnected start-ups and scale-ups

Business Consulting and Services πŸ‡§πŸ‡ͺ Kontich 372 n/a
61
Skill BuilderSskillbuilders.be

Skill BuilderS guides and coaches individuals and businesses towards sustainable workplace happiness through talent development, career counseling, assessment, and customized learning experiences

Human Resources Services πŸ‡§πŸ‡ͺ Aalst 370 1986
62
Multi.engineeringmulti.engineering

The company provides flexible engineering solutions for clients in industries such as Industry, Building & Infrastructure, and Maritime & Offshore through design, sourcing, and consultancy services

Industrial Machinery Manufacturing πŸ‡§πŸ‡ͺ Temse 369 1996
63
Talentustalentus.be

A dedicated HR partner offering tailored recruitment solutions for companies of all sizes and sectors, connecting committed candidates with valuable skills

Staffing and Recruiting πŸ‡§πŸ‡ͺ Antwerp 367 n/a
64
United Experts Groupunitedexpertsgroup.be

A knowledge network connecting businesses with diverse expertise to guide and advise entrepreneurs in achieving growth and realizing their plans at every crucial stage

Business Consulting and Services πŸ‡§πŸ‡ͺ Beringen 364 1996
65
PKF BOFIDIpkfbofidi.com

Professional network offering accounting, tax, and services in Brussels, Antwerp, and Ghent Customer-oriented for SMEs, professionals, and international companies with proactive expertise

Financial Services πŸ‡§πŸ‡ͺ Ghent 359 n/a
66
Vivaldisvivaldisinterim.be

Connecting individuals with interim or permanent job opportunities, focusing on personality over experience and offering continuous job search support.

Staffing and Recruiting πŸ‡§πŸ‡ͺ Antwerp 359 1991
67
Randstad Digital Belgiumrandstaddigital.be

Provides global talent, production capabilities, and specialized solutions for rapid business transformation, focusing on customer experience, engineering, data & analytics, and cloud.

Staffing and Recruiting πŸ‡§πŸ‡ͺ 358 n/a
68
Sisu Groupsisu.be

Provider of workforce solutions across various industries, offering advisory, staffing, and training services to help businesses thrive and succeed together

Business Consulting and Services πŸ‡§πŸ‡ͺ Antwerp 342 2020
69
chrbelgiumchrbelgium.com

Specializing in executive search and recruitment for financial services and finance, we are your trusted experts in finding top talent

Staffing and Recruiting πŸ‡§πŸ‡ͺ Tervuren 341 n/a
70
Sopra Steria BEtobania.be

Trusted partner in business and technology consulting, driving digital transformation by leveraging business, data, and technology with a powerhouse of experts

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Strombeek-Bever 333 n/a
71
Bright Plus Outsourcing Solutionsbrightplus.be

A team of over 350 skilled experts offering support for projects and departmental growth, with a wide range of business skills and experience

Outsourcing and Offshoring Consulting πŸ‡§πŸ‡ͺ Vilvoorde 331 2004
72
Randstad RiseSmart Belgiumrandstadenterprise.com

Market leader in people and organizational development, specializing in talent, organizational, and leadership transitions to foster sustainable engagement and growth

Human Resources Services πŸ‡§πŸ‡ͺ Kraainem 322 2002
73
clearXpertsclearxperts.com

Specialized in project sourcing and interim management in Finance, Legal, HR, and Marketing, connecting top organizations with skilled consultants for growth and success

Business Consulting and Services πŸ‡§πŸ‡ͺ Aartselaar 320 2008
74
Normec BTVnormecbtv.com

Offers legal controls, inspections, and safety investigations for businesses. Ensures compliance with regulations and promotes a safe working environment.

Civil Engineering πŸ‡§πŸ‡ͺ Antwerp 318 1927
75
ATS NVatsgroep.be

A multidisciplinary technology group specializing in creating sustainable, innovative, and efficient production environments through turnkey projects in electrical, mechanical, and distribution activities

Industrial Machinery Manufacturing πŸ‡§πŸ‡ͺ Merelbeke 317 1984
76
SECO Belgiumgroupseco.be

Provider of technical inspection, certification, and advisory services for construction projects worldwide, ensuring safety, reducing risk, and optimizing solutions

Construction πŸ‡§πŸ‡ͺ Diegem 315 n/a
77
Axxes IT Consultancyaxxes.com

A consulting firm specializing in providing ICT staffing solutions, offering temporary placement of professionals and permanent recruitment services in Belgium and Netherlands

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Antwerp 314 1998
78
OOOOOOOooooooo.be

An organization offering personalized learning tracks, coaching, and workshops to help individuals manage their time, relationships, and energy for improved satisfaction and results

Professional Training and Coaching πŸ‡§πŸ‡ͺ Antwerp 306 2004
79
Capgemini Belgiumcapgemini.com

Global leader in consulting, technology, and outsourcing services with a focus on creating innovative business solutions for clients worldwide

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Diegem 303 1967
80
Asap.be - Enjoy your jobasap.be

HR service provider offering temporary work, recruitment, project sourcing, e-assessments, and outplacement 80+ offices, 375 employees, and 5000+ temporary workers

Human Resources Services πŸ‡§πŸ‡ͺ Genk 302 1979
81
Bluecruxbluecrux.com

Value chain consulting and technology firm founded in 2011, specializing in transforming supply chains into integrated value chains for global clients

Software Development πŸ‡§πŸ‡ͺ Mechelen 298 2011
82
HRD Antwerphrdantwerp.com

Leading authority in Diamond and Jewellery Grading and Education, with over 570 years of experience, offering high-quality products, services, and grading reports

Retail Luxury Goods and Jewelry πŸ‡§πŸ‡ͺ Antwerp 298 1973
83
EASYPAY GROUPeasypay-group.com

Full-service HR solutions including payroll, staff administration, training, legal advice, career guidance, outsourcing, and wage cost optimization for businesses.

Human Resources Services πŸ‡§πŸ‡ͺ Meulebeke 295 1981
84
USG People Belgium NVusgpeople.be

An ecosystem of brands offering HR and staffing solutions, connecting individuals and businesses with opportunities for life faster and simpler

Human Resources Services πŸ‡§πŸ‡ͺ Antwerp 292 n/a
85
Lunalinktr.ee

A versatile communication partner offering PR, content marketing, copywriting, business development, and internal communication services for a wide range of activities

Public Relations and Communications Services πŸ‡§πŸ‡ͺ Hoeilaart 292 1993
86
Van Havermaetvanhavermaet.be

Providing specialized financial, legal, tax, and HR advice nationally and internationally with a personal approach, over 54 years of experience, and a team of 170 experts

Business Consulting and Services πŸ‡§πŸ‡ͺ Hasselt 286 1942
87
RSM BELGIUMrsm.global

Providing accountancy, audit, transactions, IT advisory, sustainability, and tax advice to middle-market companies and organizations in Belgium.

Financial Services πŸ‡§πŸ‡ͺ Uccle 276 n/a
88
Trustteam BelgiΓ« / Belgiquetrustteam.eu

Leading provider of IT managed services offering cloud, infrastructure, networking, security, software, VoIP, and support solutions with multiple certified data centers

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Kortrijk 275 2002
89
Moderomodero.be

A progressive agency focused on serving judgments, getting defaulters to pay, and preventing payment disputes with a human-centered approach

Legal Services πŸ‡§πŸ‡ͺ Antwerp 270 2000
90
SPCspc.be

Specializing in geo-information services since 1989, this Leuven-based business offers above ground and underground surveys as well as land surveying expertise

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Leuven 267 1989
91
ACA Groupacagroup.be

Innovative team focused on sustainable development, quality, and customer success through solutions in IT, communication, and team efficiency for 30+ years

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Hasselt 267 1998
92
AM Groupgroupam.be

An HR group consisting of three companies specializing in recruitment, payrolling, and outsourcing with a focus on growth and innovation

Human Resources Services πŸ‡§πŸ‡ͺ Roeselare 256 2019
93
ACEGaceg.be

Accredited inspection body for a wide range of sectors, offering services for electricity, gas, elevators, asbestos, water, environment, and more

Facilities Services πŸ‡§πŸ‡ͺ Strombeek-Bever 255 2011
94
Econocom Belgiumeconocom.be

A global leader in digital transformation solutions, offering expertise in workplace development, audiovisual technology, and infrastructure services to companies worldwide

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Zaventem 254 1972
95
LACOlaco.be

Belgian-based business intelligence firm with 35+ years of experience Specializing in SAS and Microsoft BI, data governance, and advanced analytics

IT Services and IT Consulting πŸ‡§πŸ‡ͺ Diegem 245 1986
96
Unique Career Belgiumcareer.be

Connecting motivated consultants with companies for project support in various fields through training and a competitive salary package

Human Resources Services πŸ‡§πŸ‡ͺ Antwerp 244 n/a
97
Antea Group Belgiumanteagroup.es

International engineering specializing in environment, infrastructure, public space, and water solutions Driven by social issues, fostering teamwork for a better future

Research Services πŸ‡§πŸ‡ͺ Antwerp 239 1974
98
P95p-95.com

A global provider of clinical research solutions specializing in vaccines and infectious diseases, offering services such as clinical studies, epidemiology, and medical writing

Research Services πŸ‡§πŸ‡ͺ Leuven 237 2011
99
Happinesshappiness-anywhere.com

A consultancy agency in Brussels and Saigon specializing in guiding clients through the 30 communication era with big ideas fueled by big data

Advertising Services πŸ‡§πŸ‡ͺ Vilvoorde 237 n/a
100
Hudson Beneluxhudsonsolutions.com

Specializing in HR solutions partnership

Human Resources Services πŸ‡§πŸ‡ͺ Ghent 233 1982

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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.

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