These European companies are predominantly large, established enterprises across diverse sectors, including IT services, manufacturing, and life sciences, all leveraging artificial intelligence. Notable examples include Accenture, which provides professional services for digital transformation; Capgemini, delivering end-to-end solutions with AI; Siemens, focused on technology for industry and infrastructure; and SAP, offering enterprise applications and business AI solutions.
A significant pattern observed is the prevalence of French headquarters, with Paris alone hosting Capgemini, TP, L'Oréal, and Sanofi, indicating a strong concentration of major corporate entities in the French capital.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Accentureaccenture.com
It provides professional services to businesses and governments, focusing on digital transformation, operational optimization, and enhancing citizen services globally. |
687,682 | |||
| 2 |
Capgeminicapgemini.com
Imagine future organizations, making it real with AI, technology, and people, delivering end-to-end services and solutions across strategy, technology, design, engineering and business operations |
342,989 | |||
| 3 |
Siemenssiemens.com
A technology company focused on industry, infrastructure, transport, and healthcare, creating innovative solutions to transform industries and markets globally |
273,649 | |||
| 4 | 229,240 | ||||
| 5 | 180,000 | ||||
| 6 | 158,647 | ||||
| 7 |
Atentoatento.com
Leading provider of CRM and BPO services in Latin America and globally, serving multinational corporations in various industries through multiple channels |
154,000 | |||
| 8 | 144,887 | ||||
| 9 | 101,094 | ||||
| 10 | 95,388 | ||||
| 11 |
L'Oréalloreal.com
Develops and sells a diverse portfolio of cosmetic and skincare products, aiming to innovate and cater to a billion consumers globally. |
95,229 | |||
| 12 |
Sanofisanofi.com
Researching, developing, and delivering medicines and vaccines, addressing urgent healthcare challenges through science, improving people's lives globally. |
93,336 | |||
| 13 | 92,092 | ||||
| 14 |
Schneider Electricse.com
Global energy technology leader, providing efficiency and sustainability through electrifying, automating, and digitalizing industries, businesses, and homes with intelligent devices and digital services. |
87,938 | |||
| 15 | 85,294 | ||||
| 16 |
Barclayshome.barclays
A British universal bank with global presence, offering consumer banking, payments, corporate and investment banking services, supported by technology and operational solutions |
82,417 | |||
| 17 |
Thalesthalesgroup.com
Multinational specializing in cybersecurity, defense, aerospace, digital identity, and secure communications for governments and industries. |
65,031 | |||
| 18 |
Michelinmichelin.com
Manufactures high-quality tires, components, and composites for mobility, construction, aeronautics, low-carbon energies, and healthcare. Offers exceptional experiences through connected solutions, AI, and the MICHELIN Guide. |
56,897 | |||
| 19 |
Konectakonecta.com
Global provider of customer management outsourcing, offering acquisition, retention, support, and collections across multiple industries with advanced digital technologies. |
56,399 | |||
| 20 |
BAE Systemsbaesystems.com
The company provides advanced technology-led defense, aerospace, and security solutions, with a skilled workforce in over 40 countries, focusing on innovation and long-term commitment |
55,143 | |||
| 21 |
Siemens Healthineerssiemens-healthineers.com
Global pioneer providing medtech solutions across in vitro and in vivo diagnostics, image-guided therapy, and cancer care using data and artificial intelligence. |
52,823 | |||
| 22 |
Sopra Steriasoprasteria.com
Offers consulting, digital services, and solutions, assisting large companies and organizations with digital transformation, improving competitiveness through technology and collaboration. |
47,609 | |||
| 23 |
Minsaitminsait.com
A leading Spanish technological consultant operating globally, leveraging cloud, security, payments, and innovative technology to drive business and societal impact #MoreMinsait |
45,000 | |||
| 24 |
Capgemini Engineeringcapgemini.com
Engineering R&D services, combining broad industry knowledge and cutting-edge digital and software technologies to accelerate clients' journey towards Intelligent Industry. |
44,836 | |||
| 25 |
Publicis Groupepublicisgroupe.com
Helps clients transform their marketing and digital businesses, providing expertise in communications, media, data, and technology across 100+ countries. |
41,020 | |||
| 26 |
Indra Groupindragroup.com
Leading multinational providing defense, space, air traffic management, and mobility solutions alongside information technology services, artificial intelligence, cybersecurity, and advanced digital transformation projects. |
39,308 | |||
| 27 |
Leonardoleonardo.com
Defense and security multinational company specializing in aerospace, cybersecurity, military systems, and advanced technology solutions |
38,521 | |||
| 28 | 37,833 | ||||
| 29 | 37,600 | ||||
| 30 |
STMicroelectronicsst.com
Global leader in semiconductors, providing intelligent, energy-efficient products and solutions for smarter driving, factories, cities, homes, mobile, and IoT devices. |
35,723 | |||
| 31 |
ICON plciconplc.com
A global company founded in Ireland in 1990, specializing in accelerating the development of drugs and devices to save lives and improve quality of life |
35,001 | |||
| 32 |
NTT DATA Europe & Latamnttdata.com
Global IT services provider transforming clients through consulting, solutions, and managed services to enable a confident move into the digital future |
31,932 | |||
| 33 |
Orange Businessorange-business.com
Leading European network and digital integrator leveraging expertise in next-generation connectivity, cloud, and cybersecurity solutions for positive impact on customers and planet. |
28,626 | |||
| 34 |
Dassault Systèmes3ds.com
Pioneering virtual worlds since 1981, this company offers a platform enabling customers across industries to collaborate, imagine, and create sustainable innovations for real-life impact. |
27,414 | |||
| 35 |
Kantarkantar.com
Global leader in marketing data and analytics with deep expertise, innovative technology, and insights to help clients understand people and drive growth worldwide |
24,976 | |||
| 36 |
Nagarronagarro.com
Innovative digital engineering company guiding clients to embrace human-centric, digital-first strategies for responsive, efficient, creative, and sustainable business growth |
22,553 | |||
| 37 |
Ubisoftubisoft.com
Global developer crafting original gaming experiences and entertainment across diverse brands like Assassin’s Creed, Far Cry, and Tom Clancy’s series for worldwide players. |
21,273 | |||
| 38 |
AUMOVIOaumovio.com
Provides innovative hardware, software, modern mobility solutions, and a wide range of mobility services, making future mobility safe, exciting, connected, and autonomous. |
20,389 | |||
| 39 |
La Banque Postalelabanquepostale.com
French bank offering financial products and services to nearly half the French population, focusing on accessibility, trust, and local presence for all customers. |
20,318 | |||
| 40 |
Majorelfr.linkedin.com
Providing advanced, digitally-powered business services to help global brands streamline operations sustainably and deliver critical solutions worldwide. |
20,304 | |||
| 41 |
Groupe Covéacovea.com
A leading mutual insurance group in France, specializing in property and liability insurance, promoting social economy values while maintaining individual identities of its affiliated members |
19,976 | |||
| 42 | 19,468 | ||||
| 43 |
Spotifylifeatspotify.com
A global audio streaming service that allows users to discover, manage, and share music, with options for a premium ad-free experience |
19,339 | |||
| 44 |
EY-Parthenoney.com
Multidisciplinary professionals across 120 countries provide actionable corporate, transaction, and turnaround strategies to clients using data analytics and digital capabilities |
18,536 | |||
| 45 |
SBB CFF FFScompany.sbb.ch
The company offers a wide range of exciting career opportunities in the transportation industry, with a focus on employee development and modern working conditions |
18,400 | |||
| 46 |
Transcomtranscom.com
Provider of digitally enhanced customer experience services for global brands, offering on-, off-, and nearshoring solutions through contact centers and remote work networks |
18,316 | |||
| 47 |
IGT Solutionsigtsolutions.com
Provides comprehensive customer experience and digital transformation services primarily to the travel and hospitality industry, including consulting, technology, and operations. |
18,212 | |||
| 48 | 17,188 | ||||
| 49 |
Booking.combooking.com
Shapes the future of travel through cutting-edge technology, making amazing experiences accessible, sustainable, and inclusive for everyone, impacting globally. Pioneers new solutions. |
16,829 | |||
| 50 |
Equinorequinor.com
Develops oil, gas, wind, and solar energy across over 30 countries, a major offshore operator and growing in renewables. |
16,638 | |||
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 |
Expleo Groupexpleo.com
Global provider partners with organisations to guide business transformation, achieve operational excellence, and future-proof businesses through engineering, technology, and consulting services. |
14,116 | |||
| 52 | 13,957 | ||||
| 53 |
GFT Technologiesgft.com
Design advanced data, AI transformation solutions, modernize tech architectures, and develop next-gen core systems for industry leaders globally. |
13,400 | |||
| 54 |
bioMérieuxbiomerieux.com
A leading provider of in vitro diagnostic solutions worldwide, focusing on improving patient health and ensuring consumer safety through disease detection and contamination analysis |
13,106 | |||
| 55 | 12,353 | ||||
| 56 |
IDEMIAidemia.com
Provides payment, connectivity, cybersecurity, and biometric solutions to financial institutions, mobile operators, and public security organizations globally. |
12,233 | |||
| 57 | 11,866 | ||||
| 58 |
Engineering Groupeng.it
Leading digital transformation company with global presence, specializing in innovation, proprietary solutions, R&D, and diverse market expertise. |
11,815 | |||
| 59 |
Clarivateclarivate.com
A global information services provider connecting people and organizations to trusted intelligence in Academia & Government, Life Sciences & Healthcare, and Intellectual Property |
11,385 | |||
| 60 |
Prosusprosus.com
A global consumer internet group investing in technology companies across various sectors to empower people and enrich communities worldwide |
11,371 | |||
| 61 |
Publicis Mediapublicisgroupe.com
A global media company within Publicis Groupe, employing data-driven solutions and platform-based technologies to deliver client value and drive growth internationally |
11,033 | |||
| 62 |
Comdata Groupkonecta.com
Global customer management service provider with 130,000 employees in 24 countries, offering end-to-end solutions in 30 languages for various industries |
10,951 | |||
| 63 |
GfK - An NIQ Companynielseniq.com
The company provides consumer insights, market analysis, and media trends to fuel growth and help clients make informed decisions globally |
10,930 | |||
| 64 | 10,823 | ||||
| 65 |
Evideneviden.com
Eviden is a global leader in digital transformation, offering expertise in digital, cloud, data, advanced computing, and security solutions to industries worldwide |
10,793 | |||
| 66 |
Sogetisogeti.com
Helps organizations with technology solutions, implements innovation quickly, focuses on quality engineering, cloud, application development through AI, data, and automation. |
10,781 | |||
| 67 |
Google DeepMinddeepmind.google
Advances artificial intelligence with breakthrough research. Solves complex problems like disease diagnosis, energy saving, and protein folding with safe, ethical AI. |
9,665 | |||
| 68 | 9,343 | ||||
| 69 | 9,290 | ||||
| 70 |
HERE Technologieshere.com
A leader in location technology and spatial intelligence, providing solutions for global mobility, automation, and sustainability through accurate data and innovative tools |
9,137 | |||
| 71 |
Netcompanynetcompany.com
Providing agile IT consulting and digital transformation services, delivering scalable, modern technology solutions for large Northern European clients. |
8,266 | |||
| 72 | 8,259 | ||||
| 73 |
Securitas Direct, part of Verisuresecuritasdirect.es
Leading provider of security and protection services for residential and small business customers across Europe and Latin America with strong brands. |
8,043 | |||
| 74 | 7,996 | ||||
| 75 |
Akka Technologiesakkodis.com
European leader in engineering consulting and R&D services, supporting clients with digital solutions and expertise across various sectors throughout product life cycles. |
7,700 | |||
| 76 | 7,630 | ||||
| 77 |
Acuity Analyticsacuityanalytics.com
Provides bespoke research, analytics, and technology solutions to financial services, helping institutions operate efficiently and unlock human capital to drive revenue. |
7,619 | |||
| 78 | 7,447 | ||||
| 79 |
The Access Grouptheaccessgroup.com
It provides business management software solutions for small and mid-sized organizations, enhancing productivity through innovative cloud and AI technologies. |
7,368 | |||
| 80 |
Cofacecoface.com
Manages credit risk for companies, supporting their growth by offering trade credit insurance, business information, debt collection, and factoring solutions. |
6,948 | |||
| 81 |
Novanovatalent.com
Global community connecting top talent with opportunities, offering rigorous screening for high-potential individuals, B2B services for top clients, and launching B2C premium services |
6,899 | |||
| 82 |
Tietotietoevry.com
The company focuses on leveraging data-driven opportunities to create value for individuals, businesses, and society through software, services, and co-innovation |
6,730 | |||
| 83 | 6,613 | ||||
| 84 |
Mastekmastek.com
Enterprise digital and cloud transformation partner delivering solutions in digital experience, cloud, data, automation, AI, and managed services globally. |
6,396 | |||
| 85 | 6,389 | ||||
| 86 |
SICK Sensor Intelligencesick.com
A global leader in sensor solutions for industrial applications, providing intelligence and applications to control processes, ensure safety, and protect the environment |
6,182 | |||
| 87 | 6,092 | ||||
| 88 |
Qualitestquality-ai.com
Global leader in AI-powered Quality Engineering services, specializing in superior customer experience, accelerated release velocity, and tailored solutions for various industries |
6,088 | |||
| 89 |
Evalueserveevalueserve.com
A global company offering AI solutions powered by subject matter experts to enhance decision-making, with a focus on diversity and inclusion |
6,033 | |||
| 90 |
Temenostemenos.com
Provides financial institutions with adaptable technology solutions, including on-premises, cloud, and SaaS, to deliver next-generation and AI-enhanced banking services to customers. |
5,900 | |||
| 91 |
Mplusmplusgroup.eu
Leading European provider of intelligent customer experience solutions, combining AI and human expertise to design, run, and operate integrated customer experience systems for business growth. |
5,802 | |||
| 92 |
Ocado Groupocadogroup.com
Global technology company specializing in online grocery and logistics platforms, enabling partners to excel in ecommerce fulfillment and automation across various industries. |
5,698 | |||
| 93 | 5,523 | ||||
| 94 |
KPMG Españakpmg.com
Professional services firm providing audit, tax, legal, financial, and business advisory with global expertise and local market knowledge. |
5,523 | |||
| 95 | 5,501 | ||||
| 96 |
Sophossophos.com
A global cybersecurity leader offering advanced solutions, managed services, and a broad portfolio of technologies to protect organizations from cyberattacks worldwide |
5,498 | |||
| 97 | 5,438 | ||||
| 98 |
Autonomaautonoma.cloud
Digital platform for industrial machinery manufacturers to offer smart services, predictive maintenance, and generate service revenues through digitalization and data visualization |
5,411 | |||
| 99 |
Axis Communicationsaxis.com
Development and provision of network-based video surveillance, access control, intercom, and audio systems enhanced with intelligent analytics. |
5,325 | |||
| 100 |
Sapienssapiens.com
Global leader providing intelligent software solutions for insurers, empowering them with AI and automation across property, casualty, and life insurance operations. |
5,271 | |||
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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 12, 2026.
More company lists in Europe
- The largest companies in Europe 213,553
- Multinational companies in Europe 42,025
- Companies with in-house R&D in Europe 20,169
- Retail chains in Europe 19,259
- Manufacturers in Europe 18,156
- Professional services firms in Europe 13,698
- SaaS companies in Europe 13,682
- Software Development companies in Europe 12,950
- Financial services firms in Europe 12,943
- IT Services and IT Consulting companies in Europe 11,705
- IT services companies in Europe 11,376
- Hardware manufacturers in Europe 10,565
- Family-owned companies in Europe 9,878
- Critical infrastructure operators in Europe 9,815
- Financial Services companies in Europe 9,480
- Consulting firms in Europe 8,900
- Public sector organisations in Europe 8,568
- Education providers in Europe 7,925
- Companies with a mobile app in Europe 7,898
- Distributors and wholesalers in Europe 7,573
- Retail companies in Europe 6,240
- Healthcare providers in Europe 6,132
- E-commerce companies in Europe 5,864
- Hotel and hospitality groups in Europe 5,741
The same list elsewhere
- AI companies in the world 10,505
- AI companies in France 1,474
- AI companies in the United Kingdom 710
- AI companies in Germany 435
- AI companies in the Netherlands 283
- AI companies in Spain 186
- AI companies in Italy 164
- AI companies in Switzerland 141
- AI companies in Belgium 108
- AI companies in Sweden 102
- AI companies in Poland 78
- AI companies in Denmark 65
- AI companies in Finland 62
- AI companies in Norway 60
- AI companies in Ireland 50
- AI companies in Austria 33
- AI companies in Portugal 30
- AI companies in the Czech Republic 29