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.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
House of HRhouseofhr.com
Provides skilled professionals and specialized staffing solutions across industries, including engineering, consulting, digital recruitment, and permanent placements. |
8,123 | |||
| 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 |
5,167 | |||
| 3 |
delaware Internationaldelaware.pro
Provides advanced business transformation solutions and services using SAP and Microsoft ecosystems, ensuring continuous improvement and sustainability. |
3,291 | |||
| 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 |
2,840 | |||
| 5 |
Accent Jobsaccentjobs.be
Personalized recruitment services connecting job seekers and companies with flexible, permanent, local, and international job opportunities efficiently. |
1,940 | |||
| 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 |
1,875 | |||
| 7 |
KPMG Belgiumkpmg.com
Helping organizations harness data to drive digitalization, manage risk, optimize costs, and stay relevant through technology, innovation, and compliance |
1,721 | |||
| 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. |
1,609 | |||
| 9 |
PwC Belgiumpwc.be
Global network committed to solving important problems, building trust, and providing quality assurance, advisory, and tax services in 156 countries |
1,594 | |||
| 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. |
1,504 | |||
| 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 |
1,359 | |||
| 12 |
Randstad Belgiumrandstad.be
Specializes in temporary staffing, ICT, engineering, life sciences, HR, finance, sales, and offers HR services like outplacement and assessments. |
1,176 | |||
| 13 |
AGO Jobs & HRago.jobs
Provides nationwide HR services with specialized divisions, focusing on authentic relationships and employees speaking clients' language sincerely and constructively. |
1,091 | |||
| 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 |
988 | |||
| 15 |
BDO Belgiumbdo.be
Providing audit, tax, legal, accounting, and advisory services with a personal approach, local presence, and global expertise for sustainable growth. |
987 | |||
| 16 |
Logi-techniclogi-technic.be
Passionate problem solvers at a technical outsourcing agency tackling challenges with enthusiasm and expertise |
864 | |||
| 17 | 841 | ||||
| 18 |
Actief Interimactief.be
Recruitment partner focusing on local, personal connections between companies and candidates, emphasizing sustainable growth and responsible business practices. |
839 | |||
| 19 |
QbD Groupqbdgroup.com
Support life science companies globally with regulatory, clinical, quality assurance, validation, software, and go-to-market services for medical products. |
834 | |||
| 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 |
831 | |||
| 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 |
824 | |||
| 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 |
804 | |||
| 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 |
787 | |||
| 24 | 759 | ||||
| 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 |
739 | |||
| 26 |
Projective Groupprojectivegroup.com
Specialist in delivering holistic and pragmatic change solutions for clients within the Financial Services industry to thrive. |
725 | |||
| 27 | 688 | ||||
| 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 |
673 | |||
| 29 |
Bright Plusbrightplus.be
Expertise in multilingual labor market, providing transparent, honest recruitment advice to find suitable talent for permanent or project roles. |
643 | |||
| 30 | 630 | ||||
| 31 |
SBB Accountants & Advisorssbb.be
Accounting firm providing bookkeeping, taxation, environmental regulation support, strategic advice, and ICT-backed services for businesses at all stages. |
590 | |||
| 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 |
587 | |||
| 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 |
587 | |||
| 34 | 586 | ||||
| 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 |
577 | |||
| 36 |
Ardenaardena.com
Global provider of drug development, bioanalysis, and regulatory services with expertise in advanced formulations and specialized drug delivery technologies. |
566 | |||
| 37 | 558 | ||||
| 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 |
538 | |||
| 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 |
520 | |||
| 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 |
497 | |||
| 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 |
496 | |||
| 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 |
493 | |||
| 43 | 484 | ||||
| 44 |
Tempo-Team Belgiumtempo-team.be
Providing customized HR services and recruitment solutions for flexible and fixed work arrangements, serving large companies and SMEs. |
476 | |||
| 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 |
467 | |||
| 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 |
466 | |||
| 47 | 448 | ||||
| 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 |
438 | |||
| 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. |
434 | |||
| 50 |
SDEalistar.net
The company helps modern businesses eliminate IT stress with software and infrastructure solutions to improve productivity, reduce costs, and enable growth |
427 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Pauwels Consultingpauwelsconsulting.com
Staffing and managing projects with experts in engineering, life sciences, and IT for organizations across Belgium, France, and the Netherlands. |
426 | |||
| 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 |
420 | |||
| 53 |
Laboreleclaborelec.com
A leading expertise and research center in electrical power technology, providing specialized services and solutions for the energy transition globally |
418 | |||
| 54 | 411 | ||||
| 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 |
409 | |||
| 56 |
CATTAN
A management consulting firm located in Dendermonde, Belgium, specializing in providing strategic guidance and solutions for businesses |
392 | |||
| 57 | 384 | ||||
| 58 | 378 | ||||
| 59 |
SBEsbe-engineering.com
Innovative civil engineering and electromechanical solutions provider with expertise in port, river, civil engineering, urbanism, industrial constructions, and electromechanics #expertsatplay |
376 | |||
| 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 |
372 | |||
| 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 |
370 | |||
| 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 |
369 | |||
| 63 |
Talentustalentus.be
A dedicated HR partner offering tailored recruitment solutions for companies of all sizes and sectors, connecting committed candidates with valuable skills |
367 | |||
| 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 |
364 | |||
| 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 |
359 | |||
| 66 |
Vivaldisvivaldisinterim.be
Connecting individuals with interim or permanent job opportunities, focusing on personality over experience and offering continuous job search support. |
359 | |||
| 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. |
358 | |||
| 68 |
Sisu Groupsisu.be
Provider of workforce solutions across various industries, offering advisory, staffing, and training services to help businesses thrive and succeed together |
342 | |||
| 69 |
chrbelgiumchrbelgium.com
Specializing in executive search and recruitment for financial services and finance, we are your trusted experts in finding top talent |
341 | |||
| 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 |
333 | |||
| 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 |
331 | |||
| 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 |
322 | |||
| 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 |
320 | |||
| 74 |
Normec BTVnormecbtv.com
Offers legal controls, inspections, and safety investigations for businesses. Ensures compliance with regulations and promotes a safe working environment. |
318 | |||
| 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 |
317 | |||
| 76 |
SECO Belgiumgroupseco.be
Provider of technical inspection, certification, and advisory services for construction projects worldwide, ensuring safety, reducing risk, and optimizing solutions |
315 | |||
| 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 |
314 | |||
| 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 |
306 | |||
| 79 |
Capgemini Belgiumcapgemini.com
Global leader in consulting, technology, and outsourcing services with a focus on creating innovative business solutions for clients worldwide |
303 | |||
| 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 |
302 | |||
| 81 |
Bluecruxbluecrux.com
Value chain consulting and technology firm founded in 2011, specializing in transforming supply chains into integrated value chains for global clients |
298 | |||
| 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 |
298 | |||
| 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. |
295 | |||
| 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 |
292 | |||
| 85 | 292 | ||||
| 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 |
286 | |||
| 87 |
RSM BELGIUMrsm.global
Providing accountancy, audit, transactions, IT advisory, sustainability, and tax advice to middle-market companies and organizations in Belgium. |
276 | |||
| 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 |
275 | |||
| 89 | 270 | ||||
| 90 | 267 | ||||
| 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 |
267 | |||
| 92 |
AM Groupgroupam.be
An HR group consisting of three companies specializing in recruitment, payrolling, and outsourcing with a focus on growth and innovation |
256 | |||
| 93 | 255 | ||||
| 94 |
Econocom Belgiumeconocom.be
A global leader in digital transformation solutions, offering expertise in workplace development, audiovisual technology, and infrastructure services to companies worldwide |
254 | |||
| 95 | 245 | ||||
| 96 |
Unique Career Belgiumcareer.be
Connecting motivated consultants with companies for project support in various fields through training and a competitive salary package |
244 | |||
| 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 |
239 | |||
| 98 | 237 | ||||
| 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 |
237 | |||
| 100 | 233 | ||||
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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 Nov 11, 2026.
More company lists in Flanders
- The largest companies in Flanders 4,222
- Multinational companies in Flanders 1,023
- Manufacturers in Flanders 415
- Retail chains in Flanders 370
- IT services companies in Flanders 367
- IT Services and IT Consulting companies in Flanders 356
- Companies with in-house R&D in Flanders 352
- Transportation, Logistics, Supply Chain and Storage companies in Flanders 313
- Family-owned companies in Flanders 310
- Software Development companies in Flanders 287
- SaaS companies in Flanders 265
- Distributors and wholesalers in Flanders 246
- Hardware manufacturers in Flanders 213
- Truck Transportation companies in Flanders 205
- Logistics companies in Flanders 202
- Critical infrastructure operators in Flanders 183
- Retail companies in Flanders 182
- Food and Beverage Manufacturing companies in Flanders 175
- Consulting firms in Flanders 172
- E-commerce companies in Flanders 145
- Advertising Services companies in Flanders 137
- Food and beverage companies in Flanders 131
- Financial services firms in Flanders 128
- Consumer goods companies in Flanders 119