These multinational companies in Luxembourg operate across diverse sectors, including manufacturing, telecommunications, and financial services. The list features a mix of large established groups like ArcelorMittal, a global leader in steel and mining, and Ferrero, a family-owned business producing confectionery. It also includes significant players such as Millicom (Tigo), providing fixed and mobile telecommunication services, and Eurofins, an international life sciences company offering analytical testing services.
The companies demonstrate a strong presence in global markets, with many having headquarters in Luxembourg City. For example, Majorel provides digitally-powered business services, and Alter Domus offers expertise for managing alternative investments. This selection highlights Luxembourg's role as a hub for international business operations and specialized services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
ArcelorMittalarcelormittal.com
A global leader in steel and mining, producing safe, sustainable steel for various industries, with a focus on research, development, and responsible operations |
63,308 | |||
| 2 |
Ferreroferrerocareers.com
A family-owned business producing iconic confectionery products sold worldwide, committed to quality, innovation, and sustainability, offering diverse career opportunities |
32,545 | |||
| 3 |
Millicom (Tigo)millicom.com
Provides fixed and mobile telecommunication services, offering digital products like financial services, entertainment, TV, data, voice, and business solutions across Latin America. |
29,944 | |||
| 4 |
Eurofinseurofins.com
An international life sciences company offering analytical testing services in food, environmental, pharmaceutical, and cosmetic industries, ensuring safety and authenticity |
24,896 | |||
| 5 |
Majorelfr.linkedin.com
Providing advanced, digitally-powered business services to help global brands streamline operations sustainably and deliver critical solutions worldwide. |
20,304 | |||
| 6 | 9,774 | ||||
| 7 |
RTL Groupcompany.rtl.com
Leading entertainment company operating television channels, streaming services, and radio stations across broadcast, streaming, content, and digital platforms. |
8,667 | |||
| 8 |
InPost Groupinpost.eu
A leading out-of-home e-commerce platform in Europe, providing modern logistics delivery through a network of 50,000+ pick-up points and courier services |
8,470 | |||
| 9 |
Aperamaperam.com
A global stainless steel company prioritizing sustainability, producing steel with high recycled content and renewable energy sources, and focusing on long-lasting, affordable solutions |
7,169 | |||
| 10 |
SES Satellitesses.com
Delivering global content connectivity solutions through a vast network of satellites to enrich personal stories and connect more people worldwide |
6,903 | |||
| 11 |
Jan De Nul Groupjandenul.com
Engineering solutions addressing rising sea levels, energy transition, and soil pollution to improve global quality of life sustainably. |
6,391 | |||
| 12 |
Alter Domusalterdomus.com
Providing end-to-end expertise and technology solutions to support investment managers and asset owners in managing alternative investments efficiently and effectively. |
6,082 | |||
| 13 | 5,745 | ||||
| 14 |
Unternehmensgruppe Theo MΓΌllermuellergroup.com
Family-owned food group producing dairy, convenience foods, sauces, fish specialties, managing packaging, logistics, and manufacturing across multiple countries. |
5,068 | |||
| 15 |
European Investment Bank (EIB)eib.org
Provide finance and expertise for sustainable projects supporting EU policies, focusing on Europe and implementing external development policies. |
5,011 | |||
| 16 |
PwC Luxembourgpwc.lu
Largest professional services firm providing audit, tax, and advisory services, including management consulting, to diverse local and multinational clients in Luxembourg. |
3,543 | |||
| 17 |
C.A.T. Groupcat.me
Integrated EPC contractor in engineering, procurement, and construction services for oil & gas, civil construction, and infrastructure projects across MEA region Headquarters in Luxembourg |
3,499 | |||
| 18 |
University of Luxembourgwwwen.uni.lu
Multilingual, international University in Luxembourg focusing on research, offering a multicultural environment with over 60 degrees and strong international rankings |
3,226 | |||
| 19 |
Clearstreamclearstream.com
A leading European provider of post-trading services, ensuring prompt delivery of cash and securities while managing and safekeeping securities for customers |
2,867 | |||
| 20 |
PM Internationalpm-international.com
Global leader in developing, manufacturing, and distributing premium health, fitness, and beauty products with a focus on quality and innovation. |
2,725 | |||
| 21 |
Quintet Private Bankquintet.lu
Private bank serving wealthy individuals, families, and institutions across Europe, focusing on personalized wealth protection and growth strategies. |
2,253 | |||
| 22 |
Sword Groupsword-group.com
Specialists in data insights, digital transformation, and technology services supporting complex IT and business projects across over 50 countries. |
2,170 | |||
| 23 |
Cargolux Airlinescargolux.com
Largest European all-cargo airline operating modern 747 freighters, providing specialized air freight services and aircraft maintenance globally. |
2,137 | |||
| 24 | 2,103 | ||||
| 25 |
KPMG Luxembourgkpmg.com
Independent firms providing audit, tax, and advisory services worldwide, operating under a global brand with distinct legal entities. |
1,863 | |||
| 26 |
Eurofins PSS Insourcing Solutionseurofinspss.com
Eurofins Professional Scientific Services redefines industry norms by providing insourcing solutions for scientific operations, HR practices, and operational excellence globally |
1,840 | |||
| 27 |
BGL BNP Paribasbgl.lu
Leading financial institution offering retail banking, wealth management, corporate and investment banking services to individuals, businesses, and institutional clients. |
1,781 | |||
| 28 |
Banque Internationale Γ Luxembourg (BIL)bil.com
Established in 1856, a leading bank in Luxembourg offering retail, private, and corporate banking services with a presence in Switzerland and China (24 words) |
1,741 | |||
| 29 |
Armacellarmacell.com
Innovative provider of thermal, acoustic, and mechanical solutions utilizing engineered foams for global energy efficiency and sustainable value creation |
1,712 | |||
| 30 |
Netcompany-Intrasoftnetcompany.com
A leading European IT Solutions and Services Group, offering innovative solutions to international and national public and private organizations worldwide |
1,687 | |||
| 31 | 1,652 | ||||
| 32 | 1,512 | ||||
| 33 |
CSM Bakery Solutionscsmingredients.com
Company rebranding from bakery solutions to ingredients, focusing on innovation, sustainability, people, and growth updates on LinkedIn. |
1,472 | |||
| 34 |
FANUC Europefanuc.eu
Provides CNC systems, industrial robots, and factory automation solutions for automotive, aerospace, electronics, and healthcare industries across Europe. |
1,465 | |||
| 35 |
ARHS Grouparhs-group.com
Manages complex IT projects and systems. Develops bespoke software, data science, infrastructure, digital trust, and mobile solutions for various institutions. |
1,385 | |||
| 36 |
POST Luxembourgpost.lu
Leading postal and telecommunications operator offering financial services, ICT solutions, logistics, and customer support across Luxembourg and internationally. |
1,329 | |||
| 37 |
Paul Wurth S.A.paulwurth.lu
Design and construction of blast furnaces, cokemaking, direct reduction, recycling plants with engineering, project management, and digital services. |
1,314 | |||
| 38 |
SWM Internationalswmintl.com
Development of sustainable, safe, and intelligent lightweight materials using botanicals and natural fibres to address industry challenges. |
1,304 | |||
| 39 |
CPI Property Groupcpipg.com
Owns real estate in major European cities like Berlin, Prague, and Warsaw, operates as a capital markets leader and active asset manager. |
1,298 | |||
| 40 | 1,289 | ||||
| 41 |
Zitrozitrogames.com
Innovative international gaming company specializing in video bingo games, known for its cutting-edge technology, innovations, and top talent in Barcelona |
1,251 | |||
| 42 |
CERATIZITceratizit.com
Develops and produces hard material cutting and wear protection solutions including specialized cutting tools, inserts, rods, carbide, and cermet grades. |
1,249 | |||
| 43 |
NATO Support and Procurement Agency (NSPA)nspa.nato.int
A multinational agency supporting NATO with acquisition and sustainment in all domains, operating on a no-profit basis with over 1,500 employees |
1,199 | |||
| 44 |
Ardagh Metal Packagingardaghmetalpackaging.com
A global supplier of sustainable metal beverage cans with innovative production capabilities, serving brand owners across Europe, North America, and Brazil |
1,141 | |||
| 45 |
Banking Circlebankingcircle.com
Facilitating global cross-border payments, accounts, and liquidity management through a single API, providing fast, low-cost B2B banking services with market-leading compliance and security |
1,129 | |||
| 46 |
Cebi Groupcebi.com
A global leader in pumps, washer systems, and temperature sensors for automotive and household appliances, with 11 production sites and worldwide distribution |
1,100 | |||
| 47 |
IEE Sensingiee-sensing.com
Global leader in developing and manufacturing advanced sensing solutions for automotive, building management, security, sports, and healthcare applications with a strong focus on innovation and R&D |
1,087 | |||
| 48 |
SaarGummi Groupsaargummi.com
A global full service supplier specializing in body seals and mouldings, offering expertise in materials development, product design, and complex sealing systems |
1,045 | |||
| 49 |
Banque de Luxembourgbanquedeluxembourg.com
A leading private bank in Luxembourg offering services in private banking, credit, asset management, business services, and professional banking to families and entrepreneurs |
1,010 | |||
| 50 |
Transalliancetransalliance.eu
Transalliance specializes in custom transport and logistics solutions throughout Europe, aiming to build strong partnerships and earn client trust |
909 | |||
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 |
Foyer Groupgroupe.foyer.lu
Leading insurance provider offering life and non-life insurance, wealth management, and financial advisory services across Luxembourg and Europe. |
894 | |||
| 52 |
Croix-Rouge luxembourgeoisecroix-rouge.lu
The organization provides assistance to vulnerable individuals in Luxembourg and abroad through various services in health, social, youth, and humanitarian activities |
892 | |||
| 53 |
Arendt & Medernacharendt.com
Leading independent law firm providing specialist legal, regulatory, taxation, and advisory services for international and domestic clients conducting business activities within Luxembourg. |
889 | |||
| 54 |
Nordea Asset Managementnordeaassetmanagement.com
Offers European, global investors exposure to broad investment funds through specialized internal boutiques and exclusive external competences across various asset classes. |
814 | |||
| 55 |
Dennemeyerdennemeyer.com
Provides comprehensive Intellectual Property protection, management, legal services, strategy consulting, software, maintenance, and patent analytics for diverse global clients. |
812 | |||
| 56 |
Candriamcandriam.com
A global asset manager specializing in sustainable investing with over β¬144 billion in assets under management, offering diversified investment solutions and ESG integration |
797 | |||
| 57 |
Rakuten Viberforbusiness.viber.com
Global platform offering secure one-on-one chats, video calls, group messaging, and brand interactions for seamless communication worldwide. |
797 | |||
| 58 |
Morgan Philips Groupfr.morganphilips.com
Providing innovative global talent solutions including executive search, recruitment, talent consulting, outplacement, and interim management services worldwide. |
774 | |||
| 59 |
European Investment Fund (EIF)eif.org
Support SMEs and small mid-caps with equity investments and risk-sharing debt financing through fund managers and financial intermediaries. |
770 | |||
| 60 |
Eurofins Consumer Product Testingeurofins.com
Specializing in non-food consumer product testing, the company offers tailored quality assurance solutions, from supplier assessment to compliance, including testing, inspections, and regulatory guidance globally |
734 | |||
| 61 |
WebProswebpros.com
Global leader in web hosting software and automation, managing millions of servers, domains, and users Uniting top providers for a comprehensive web enablement ecosystem |
733 | |||
| 62 |
Rotarexrotarex.com
A global leader in designing and manufacturing premium gas control products, solving customer challenges and providing innovative solutions worldwide |
720 | |||
| 63 |
Jindal Filmsjindalfilms.com
Development and manufacture of specialty films for flexible packaging and labeling, offering barrier and recyclable film solutions globally. |
717 | |||
| 64 |
efauniversal-investment.com
Independent provider of fund administration, valuation, compliance, risk management, and reporting services for various investment and insurance funds across Europe. |
715 | |||
| 65 |
Eurasian Resources Groupeurasianresources.lu
A diversified natural resources group with operations in 16 countries, specializing in mining, processing, energy, logistics, and marketing of various materials worldwide |
699 | |||
| 66 |
Zeentechzeentech.com.br
Specialists in engineering systems, simulations, testing, and high-tech solutions for automotive, railway, aerospace, and agricultural industries, providing innovative business solutions with certified quality management |
698 | |||
| 67 |
JOSTjostgroup.com
A leading European logistics provider offering road transport, air and sea freight, customs services, with a focus on high-quality service and competitive advantage |
676 | |||
| 68 |
ExecuJet Aviation Groupexecujet.com
Global provider of first-class facilities for business aviation on five continents, delivering luxury service beyond expectation with operational excellence |
673 | |||
| 69 |
Solutions30 Groupsolutions30.com
Providing last mile digital technology deployment and assistance, offering one-stop-shop solutions for individuals and enterprises on behalf of large technology companies. |
650 | |||
| 70 |
AccorInvestessendi.com
Invests, operates economy and midscale hotels across 24 countries, combining asset management and operational excellence for sustainable, vibrant places. |
647 | |||
| 71 |
BDO Luxembourgbdo.lu
Provides audit, tax consultancy, accounting, payroll, financial engineering, investment fund services, advisory, human resources, and IT solutions to diverse business sectors. |
645 | |||
| 72 | 638 | ||||
| 73 |
SOA PEOPLEsoapeople.com
Specializes in SAP consulting and services, supporting business transformation with proven methodologies and strong partnerships across various industries. |
613 | |||
| 74 |
ArcelorMittal Downstream Solutionscorporate.arcelormittal.com
A global team under ArcelorMittal provides steel solutions to various industries, emphasizing growth, leadership development, and international opportunities |
595 | |||
| 75 | 591 | ||||
| 76 |
ArcelorMittal Europeeurope.arcelormittal.com
Leading producer of flat and long steel products for automotive, construction, and packaging sectors through extensive research, development, and distribution networks across Europe. |
588 | |||
| 77 |
Tracteltractel.com
A global safety specialist offering innovative height safety, load measurement, lifting, access solutions, and services for industrial, construction, energy, and infrastructure projects |
578 | |||
| 78 |
Netrisk Groupnetrisk.group
A leading fintech company in CEE empowering customers to make better financial choices through comparison platforms across various industries |
576 | |||
| 79 | 550 | ||||
| 80 |
INTRASOFT Internationalnetcompany.com
Providing innovative IT solutions and services to public and private organizations across multiple countries with a diverse skilled workforce. |
547 | |||
| 81 |
Triton Partnerstriton-partners.com
Investment firm specializing in mid-market businesses providing essential goods and services in Business Services, Industrial Tech, and Healthcare sectors. |
543 | |||
| 82 |
SEA-investsea-invest.com
International terminal operator for various goods with activities in 24 ports, providing stevedoring, transport, warehousing, and other port-related services Offering supply chain solutions |
535 | |||
| 83 |
Redspherredspher.com
Simplifying time-sensitive shipments with digital platform and expert team for easy booking, tracking, and various delivery solutions across Europe |
534 | |||
| 84 |
VTS Groupvtsgroup.com
A leading supplier of air handling units and heating equipment, offering innovative products at competitive prices with a focus on employee development and a strong work culture |
512 | |||
| 85 | 498 | ||||
| 86 |
CSM Ingredientscsmingredients.com
Global manufacturer of innovative food ingredients and tailored solutions serving artisanal, industrial, foodservice, and retail sectors worldwide. |
493 | |||
| 87 |
Befesabefesa.com
A global leader in environmental recycling services for steel and aluminium industries, focusing on reducing waste, recovering materials, and promoting sustainability |
477 | |||
| 88 |
Mangopaymangopay.com
Developer-friendly payment API for marketplaces, crowdfunding, fintech platforms enabling multi-currency acceptance, segregated accounts, and automated payouts. |
468 | |||
| 89 |
Baloise LUbaloise.lu
Providing insurance solutions for individuals and businesses including car, home, liability, pension, and life insurance in Luxembourg. |
446 | |||
| 90 |
Jetflyjetfly.com
Leading European business aviation company specializing in fractional ownership, operating diverse aircraft for safe, reliable flights across numerous European airports. |
429 | |||
| 91 |
Losch Luxembourglosch.lu
Vehicle sales, services, real estate, and innovation management, representing various automotive brands, including Bentley and Lamborghini, in Luxembourg. |
425 | |||
| 92 |
NSI Luxembourg PSFnsi.lu
Development of enterprise applications, ERP, document management, GIS, IT infrastructure management, virtualization, outsourcing, serving private and public sectors. |
420 | |||
| 93 |
emile weberemile-weber.lu
provides extensive travel and mobility services with a large vehicle fleet, travel agencies, and partners focused on quality and sustainability |
409 | |||
| 94 |
ATOZ Servicesatoz-services.lu
Provides comprehensive corporate and management services, including tax compliance, fund services, and regulatory support, for Luxembourg-based businesses. |
407 | |||
| 95 |
Proximus Luxembourgproximus.lu
Telephony, internet, TV, and ICT services provider for residential customers, businesses, and public administrations in Luxembourg. |
400 | |||
| 96 |
Centralis Groupcentralisgroup.com
Provider of alternative investments and corporate services worldwide, specializing in tailor-made solutions for multinational organizations, private equity, real estate, and individuals |
400 | |||
| 97 |
ATOZ Tax Advisersatoz.lu
High-end advisory firm specializing in tax, corporate implementation, and finance solutions for international organizations, with a focus on optimizing investment value |
397 | |||
| 98 |
Traxys Grouptraxys.com
A global trading solutions company offering finance and commercial services to the Ferroalloy, Metal, Mineral, Mining, and Energy industries worldwide |
396 | |||
| 99 |
Ingenia Polymersingeniapolymers.com
A Canadian polymer company offering toll compounding, size reduction, and masterbatch solutions with a focus on innovation, quality, and customer value worldwide |
395 | |||
| 100 |
INDEFFindeff.com
Prepares companies for Industry 4.0, creating smart factories, leveraging Industrial Internet of Things for fully connected supply chains and maximum efficiency. |
390 | |||
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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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