This selection features large European IT services companies. These firms specialize in areas such as digital transformation, cloud computing, cybersecurity, and business process outsourcing. Notable companies include Accenture, providing professional services for digital transformation, and Capgemini, delivering end-to-end services in strategy, technology, and business operations. EY offers assurance, consulting, and tax services, while Orange is a major telecommunications operator.
The companies listed are primarily large groups, with several exceeding 100,000 employees. A clear pattern is the strong presence of headquarters in major European capitals, such as Paris, London, Dublin, Madrid, and Rome, indicating these cities as key hubs for the IT services industry.
| # | 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 | 404,207 | ||||
| 3 |
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 | |||
| 4 | 229,240 | ||||
| 5 |
Allianz Servicescareers.allianz.com
Provides specialized core insurance operations, shared services, business analytics, engineering, and management consulting to drive client experience within a global insurance group. |
159,000 | |||
| 6 |
Orangeorange.com
A leading global telecommunications operator offering services to millions of customers and multinational companies across 26 countries |
146,935 | |||
| 7 |
FUJITSUglobal.fujitsu
Leading global information and communication technology company, offering technology products, solutions, and services, connecting people, technology, and ideas for a sustainable world. |
124,000 | |||
| 8 | 85,294 | ||||
| 9 |
Konectakonecta.com
Global provider of customer management outsourcing, offering acquisition, retention, support, and collections across multiple industries with advanced digital technologies. |
56,399 | |||
| 10 |
Almaviva Groupalmavivagroup.com
Provides digital innovation and ICT solutions globally, supporting business model transformation and competitiveness across public and private sectors. |
52,112 | |||
| 11 |
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 | |||
| 12 |
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 | |||
| 13 |
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 | |||
| 14 |
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 | |||
| 15 | 38,710 | ||||
| 16 | 32,618 | ||||
| 17 |
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 | |||
| 18 |
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 | |||
| 19 |
VINCI Energiesvinci-energies.com
Contributes to environmental transition by implementing customized multi-technical solutions from design to maintenance, enhancing infrastructure reliability, efficiency, and sustainability for energy and digital sectors. |
25,848 | |||
| 20 |
Capitacapita.com
A leading provider of business services using data, technology, and people to simplify connections between governments, citizens, businesses, and customers |
25,581 | |||
| 21 |
Amadeusamadeus.com
A company revolutionizing the travel industry by inspiring innovation, partnerships, and responsibility, connecting the travel ecosystem and promoting social and environmental good |
23,625 | |||
| 22 |
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 | |||
| 23 |
Inetuminetum.com
European digital services leader helping businesses, public sector, and society with digital impact, performance, and innovation, partnering with major software publishers. |
21,788 | |||
| 24 |
VOISvoiscentre.com
Global strategic arm of Vodafone, creating value and efficiency across 28 countries through talent, technology, and transformation for business outcomes |
20,863 | |||
| 25 |
Majorelfr.linkedin.com
Providing advanced, digitally-powered business services to help global brands streamline operations sustainably and deliver critical solutions worldwide. |
20,304 | |||
| 26 |
Computacentercomputacenter.com
A leading technology and services provider, trusted by large organizations, helping customers manage and transform their technology infrastructure for digital transformation |
20,070 | |||
| 27 |
The Adecco Groupadeccogroup.com
Global talent company providing employability, digital and engineering solutions, and workforce optimization across multiple industries and countries. |
19,418 | |||
| 28 |
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 | |||
| 29 | 17,188 | ||||
| 30 |
Swisscomswisscom.ch
Leading technology company focusing on inspiring people in the connected world, shaping the future with latest innovations and technologies through trustworthy, committed, and curious actions |
15,615 | |||
| 31 |
Luxoftluxoft.com
A global digital strategy and software engineering firm, part of DXC Technology, offering bespoke technology solutions to drive business innovation worldwide |
15,420 | |||
| 32 |
Bechtlebechtle.com
A leading IT provider in Europe, offering IT infrastructure solutions to over 70,000 customers in various sectors with 85 system houses across 14 countries |
15,000 | |||
| 33 |
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 | |||
| 34 |
GFT Technologiesgft.com
Design advanced data, AI transformation solutions, modernize tech architectures, and develop next-gen core systems for industry leaders globally. |
13,400 | |||
| 35 |
Proximus Groupproximus.com
Provider of connectivity and digital services in Benelux and global markets, investing in networks, digital ecosystems, and innovative communication solutions. |
13,297 | |||
| 36 |
NTT DATA Business Solutionsnttdata-solutions.com
A global consultancy firm specializing in driving innovation and improving SAP solutions for businesses to transform, grow, and succeed |
12,858 | |||
| 37 | 12,741 | ||||
| 38 | 12,353 | ||||
| 39 |
Bechtle Schweiz AGbechtle.com
Leading IT service provider for SMEs, large customers, and public institutions, offering consulting, infrastructure, cloud, services, and software solutions throughout the entire IT life cycle. |
12,000 | |||
| 40 |
SoftwareOnesoftwareone.com
Global provider of software and cloud solutions, specializing in migration, modernization, and optimization for clients worldwide Headquartered in Switzerland |
11,985 | |||
| 41 |
Keywords Studioskeywordsstudios.com
A leading creative services provider for the global video games industry, offering end-to-end solutions and support across all aspects of game development |
11,828 | |||
| 42 |
Engineering Groupeng.it
Leading digital transformation company with global presence, specializing in innovation, proprietary solutions, R&D, and diverse market expertise. |
11,815 | |||
| 43 |
Allianz Technologycareers.allianz.com
Global IT service provider delivering infrastructure, applications, and digital solutions to optimize and innovate Allianz's customer experience worldwide. |
11,708 | |||
| 44 |
Altrancapgemini-engineering.com
Altran, now Capgemini Engineering, offers engineering services Follow them on LinkedIn for updates and insights |
11,652 | |||
| 45 |
PwC Deutschlandpwc.de
A leading auditing and consulting firm in Germany, offering services worldwide with expertise in assurance, tax, legal, deals, and strategy advisory |
11,566 | |||
| 46 |
SEGULA Technologiessegulatechnologies.com
Provides global engineering services across major industrial sectors, committed to innovation, from research to industrialization and production. |
11,442 | |||
| 47 | 11,405 | ||||
| 48 |
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 | |||
| 49 |
Sogetisogeti.com
Helps organizations with technology solutions, implements innovation quickly, focuses on quality engineering, cloud, application development through AI, data, and automation. |
10,781 | |||
| 50 |
T-Systems Internationalt-systems.com
Provides end-to-end IT solutions, cloud migration, and industry-specific digital transformation services with strong security and global presence. |
10,768 | |||
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 |
NETWORK-SECURITY-SOLUTIONSn-security.com
Specializing in managing Linux/Unix servers and large network environments with a focus on customized solutions, quality, and technological innovation |
10,400 | |||
| 52 |
Porsche Holdingporsche-holding.com
Largest European automotive distributor operating in 29 countries, specializing in wholesale, retail, financial services, and IT for VW Group brands. |
10,334 | |||
| 53 |
Devoteamdevoteam.com
AI-driven tech consulting firm specializing in cloud platforms, cyber, data, and sustainability, guiding businesses through sustainable digital transformation to deliver value. |
10,274 | |||
| 54 |
BearingPointbearingpoint.com
Independent consulting firm offering tailored solutions for complex business environments, applying deep industry expertise to help clients achieve their goals globally |
10,074 | |||
| 55 |
SPIE Francespie.fr
Global actor in energy, digital, and industrial transitions, offering concrete solutions for decarbonizing buildings, industries, and territories through various technical services. |
9,833 | |||
| 56 |
Freelance, Self Employmentgoogle.com
A specialized team of developers and designers working on challenging projects, utilizing Vuejs, Laravel, Tilda, graphic design, illustration, and UI/UX |
9,715 | |||
| 57 |
Endavaendava.com
The company leverages technology and expertise to drive innovation and transform businesses with customized digital solutions across industries |
9,559 | |||
| 58 | 9,343 | ||||
| 59 | 9,019 | ||||
| 60 | 8,687 | ||||
| 61 | 8,620 | ||||
| 62 |
EDAG Groupedag.com
Engineering service provider for mobility, defense, industry, and public solutions, developing complex products, systems, and production solutions with an interdisciplinary team. |
8,500 | |||
| 63 |
SEIDORseidor.com
Helps clients transform and compete through technology and innovation, focusing on human values, sustainability, and partnering with leading tech innovators globally. |
8,352 | |||
| 64 |
Netcompanynetcompany.com
Providing agile IT consulting and digital transformation services, delivering scalable, modern technology solutions for large Northern European clients. |
8,266 | |||
| 65 | 8,200 | ||||
| 66 | 8,026 | ||||
| 67 | 7,793 | ||||
| 68 |
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 | |||
| 69 |
OTE Group of Companies (HTO)cosmote.gr
A leading technology company in Greece, part of Deutsche Telekom Group, providing a wide range of telecom services and ICT solutions for digital transformation and growth |
7,648 | |||
| 70 |
Bertrandt Groupbertrandt.com
International development service provider specializing in automotive, aerospace, and mechanical engineering Focus on digitalization, e-mobility, and autonomous systems Accelerating technological progress with 14,000 employees globally |
7,532 | |||
| 71 |
Amaris Consultingamaris.com
Independent technology consulting firm providing guidance and solutions to businesses worldwide through a diverse team of experts in various industries Partner of Mantu |
7,500 | |||
| 72 |
Accenture Italiaaccenture.com
Global professional services firm specializing in digital, cloud, security, strategy, consulting, technology, and operations across multiple industries worldwide. |
7,209 | |||
| 73 |
Econocomeconocom.com
Supplies, finances, and provides managed services for workplace, audiovisual, and infrastructures, supporting businesses in their digital transformation with equipment and support. |
7,123 | |||
| 74 | 6,905 | ||||
| 75 | 6,820 | ||||
| 76 |
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 | |||
| 77 |
Actemiumactemium.com
Delivering bespoke solutions and services globally, combining local business unit expertise to create value throughout the industrial life cycle for a sustainable world. |
6,718 | |||
| 78 | 6,613 | ||||
| 79 | 
Libera Professionegfranchi.it
IT Consulting specializing in client-server application development on FileMaker platform, integrating with various databases such as SQL, Oracle, DB2, AS400, MySql, MS SQL, and MS Access |
6,589 | |||
| 80 |
SNEFgroupesnef.fr
French leader in electrical installation and finishing turnkey project management, offering high/low voltage, industrial processes, HVAC, and maintenance services globally. |
6,519 | |||
| 81 |
Toptaltoptal.com
A network connecting top talent in business, design, and technology to help companies scale teams on demand with impressive growth |
6,417 | |||
| 82 |
Mastekmastek.com
Enterprise digital and cloud transformation partner delivering solutions in digital experience, cloud, data, automation, AI, and managed services globally. |
6,396 | |||
| 83 | 6,389 | ||||
| 84 |
Sii Polandsii.pl
Provides technology consulting, AI-driven digital transformation, engineering, and business services, supporting clients in testing, software development, infrastructure management, and system integration. |
6,243 | |||
| 85 |
Accenture Espaรฑaaccenture.com
A global professional services company helping businesses and governments with digital transformation, cloud technology, data analytics, and industry expertise to drive tangible outcomes |
6,208 | |||
| 86 |
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 | |||
| 87 |
Astekastekgroup.fr
Supports clients with high-value service, deep technical expertise across technology, operations, and engineering, focusing on sustainable digital transformation with humans at the core. |
6,035 | |||
| 88 |
TรV NORD GROUPtuev-nord-group.com
Offers global consulting, service, and inspection solutions across diverse sectors including mobility, industrial services, IT, natural resources, and aerospace. |
5,960 | |||
| 89 |
Photonphoton.com
A leading digital agency working with Fortune 100 companies, integrating strategy consulting, creative design, and technology to drive digital initiatives at scale |
5,867 | |||
| 90 |
Librelibre.digital
Italian digital creative network crafting apps, web-apps, websites, and portals collaboratively since 2003 |
5,712 | |||
| 91 |
iOiodigital.com
iO is a blended agency offering expertise in strategy, creativity, marketing, technology, and data to create relevant brand experiences for clients across industries and countries |
5,704 | |||
| 92 |
Daviesdavies-group.com
Specialist professional services and technology firm providing risk management, business process optimization, and digital transformation solutions to insurance, regulated, and global businesses |
5,693 | |||
| 93 | 5,523 | ||||
| 94 |
KPMG Espaรฑakpmg.com
Professional services firm providing audit, tax, legal, financial, and business advisory with global expertise and local market knowledge. |
5,523 | |||
| 95 |
PA Consultingpaconsulting.com
Global teams of strategists, technologists, and experts deliver innovative solutions across industries to drive transformation and lasting client success. |
5,470 | |||
| 96 |
SPSspsglobal.com
A technology-driven business transformation company offering innovative solutions to empower organizations in adopting hybrid work concepts and drive digital transformation |
5,467 | |||
| 97 |
Shopify Developeronder.co.uk
A cloud-based e-commerce platform offering easy setup for online stores and expert development services to enhance advanced features and customer experiences |
5,461 | |||
| 98 | 5,438 | ||||
| 99 |
Groupe SIIsii-group.com
Engineering and digital services company providing innovative solutions to large groups across various sectors, developing new technologies and evolving information systems. |
5,287 | |||
| 100 |
Vulcain Engineering Groupvulcain-eng.com
Provides engineering consulting and project solutions for energy and environmental sectors, delivering technical assistance, expertise, and project management globally. |
5,234 | |||
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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 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
- Hardware manufacturers in Europe 10,565
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- Public sector organisations in Europe 8,568
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- 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
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The same list elsewhere
- IT services companies in the world 20,934
- IT services companies in France 5,000
- IT services companies in the United Kingdom 1,583
- IT services companies in Germany 776
- IT services companies in the Netherlands 585
- IT services companies in Belgium 551
- IT services companies in Italy 499
- IT services companies in Spain 484
- IT services companies in Switzerland 438
- IT services companies in Poland 312
- IT services companies in Sweden 155
- IT services companies in Portugal 128
- IT services companies in Denmark 102
- IT services companies in Ukraine 99
- IT services companies in Finland 88
- IT services companies in Norway 78
- IT services companies in Ireland 77
- IT services companies in Austria 70
- IT services companies in Bulgaria 51
- IT services companies in the Czech Republic 45
- IT services companies in Greece 38
- IT services companies in Hungary 38
- IT services companies in Luxembourg 37
- IT services companies in Lithuania 29