This selection of large European consulting firms includes global leaders in business consulting, IT services, and professional services. Companies like Accenture and EY offer extensive digital transformation and strategic advice, while Capgemini and FUJITSU specialize in IT services and solutions. The list also features major players in financial services such as Allianz Services and WTW, alongside specialized firms like DEKRA in public safety and Atento in outsourcing.
The firms demonstrate a strong presence across various European cities, with multiple headquarters in London, Paris, and Madrid. Many of these companies, including KPMG Italy and Atos, provide a comprehensive suite of services ranging from audit and advisory to cybersecurity and cloud solutions, serving both governments and multinational corporations.
| # | 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 |
KPMG Italykpmg.com
A global professional services network providing audit, advisory, tax, and legal services to businesses worldwide, focusing on building trust and driving change |
265,000 | |||
| 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 |
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 | |||
| 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 | 55,656 | ||||
| 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 |
BDObdo.global
Providing professional services globally with 1800 offices, focusing on quality, technology, and innovative solutions for long-term client value. |
51,974 | |||
| 12 | 49,000 | ||||
| 13 |
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 | |||
| 14 |
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 | |||
| 15 |
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 | |||
| 16 |
Arcadisarcadis.com
delivering transformative projects globally addressing climate, energy, and livable cities through design, engineering, architecture, and consulting for a better future |
42,295 | |||
| 17 |
Mazarsforvismazars.com
Global integrated partnership providing audit, accountancy, advisory, tax, and legal services through fifty thousand professionals across more than one hundred countries worldwide. |
42,000 | |||
| 18 |
Publicis Groupepublicisgroupe.com
Helps clients transform their marketing and digital businesses, providing expertise in communications, media, data, and technology across 100+ countries. |
41,020 | |||
| 19 | 38,710 | ||||
| 20 |
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 | |||
| 21 | 32,618 | ||||
| 22 |
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 | |||
| 23 |
B. Braun Groupbbraun.com
A leading medical technology organization dedicated to protecting and improving global health through innovative solutions and collaborative culture |
29,535 | |||
| 24 |
Webhelpwebhelp.com
The company specializes in creating innovative customer journeys using data insights, AI, and human talent to drive growth for brands worldwide |
27,162 | |||
| 25 |
Deutsche Gesellschaft fรผr Internationale Zusammenarbeit (GIZ) GmbHgiz.de
Provides international cooperation for sustainable development and education, helping shape a future worth living worldwide, with over 50 years of experience. |
26,333 | |||
| 26 | 26,193 | ||||
| 27 |
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 | |||
| 28 |
Mott MacDonaldmottmac.com
The company focuses on improving society through digital innovation, excellence, and solving intricate challenges with clients to deliver better outcomes |
24,653 | |||
| 29 |
Swecoswecogroup.com
A leading consultancy co-creating sustainable solutions for urban areas through planning, design, and digital innovation with a team of 21,000 specialists |
22,591 | |||
| 30 |
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 | |||
| 31 |
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 | |||
| 32 |
Majorelfr.linkedin.com
Providing advanced, digitally-powered business services to help global brands streamline operations sustainably and deliver critical solutions worldwide. |
20,304 | |||
| 33 | 19,737 | ||||
| 34 |
The Adecco Groupadeccogroup.com
Global talent company providing employability, digital and engineering solutions, and workforce optimization across multiple industries and countries. |
19,418 | |||
| 35 | 19,037 | ||||
| 36 |
Technip Energiesten.com
Leading energy engineering & technology company focused on LNG, hydrogen, ethylene, sustainable chemistry, and CO2 management Committed to accelerating the energy transition globally |
18,645 | |||
| 37 |
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 | |||
| 38 |
Rambollramboll.com
Global company offering sustainable solutions in architecture, engineering, and consultancy across various sectors to create sustainable cities and societies worldwide |
18,506 | |||
| 39 |
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 | |||
| 40 |
TรV SรDtuvsud.com
Experts provide testing, certification, auditing, and advisory services across various industries, ensuring safety, security, and sustainability for technological advancements and market access. |
18,205 | |||
| 41 | 17,188 | ||||
| 42 |
Capgemini Inventcapgemini.com
Digital innovation, consulting, and transformation services combining strategy, technology, data science, and creative design to help businesses envision and build the future |
17,000 | |||
| 43 |
BCD Travelbcdtravel.com
Comprehensive corporate travel management with digital tools, meetings and events services, global consultancy, supporting cost savings and sustainability worldwide. |
16,897 | |||
| 44 |
Sendirisendiri.nl
Learning and development consultancy specializing in online programs, community support, and guidance to empower individuals and organizations in enhancing skills and knowledge |
15,445 | |||
| 45 |
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 | |||
| 46 |
Egisegis-group.com
An international consultancy specializing in sustainable infrastructure, construction engineering, and mobility services, working towards achieving carbon neutrality and social development globally |
15,158 | |||
| 47 | 15,102 | ||||
| 48 |
Petrofacpetrofac.com
International energy service provider specializing in designing, building, managing, and maintaining oil, gas, refining, and renewable energy infrastructure for leading energy companies worldwide |
14,616 | |||
| 49 |
Cloud Consultingccltng.com
Oversees national education policies, youth programs, and administration to support learning and development across France. |
14,588 | |||
| 50 |
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 | |||
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| 51 |
Savillssavills.com
Global real estate advisory firm providing tailored solutions and expert advice for residential and commercial property clients worldwide. |
13,891 | |||
| 52 |
GFT Technologiesgft.com
Design advanced data, AI transformation solutions, modernize tech architectures, and develop next-gen core systems for industry leaders globally. |
13,400 | |||
| 53 |
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 | |||
| 54 |
RSK Grouprskgroup.com
Global provider of environmental consultancy and engineering services, integrating innovation and multidisciplinary collaboration to address complex sustainability challenges. |
12,442 | |||
| 55 | 12,353 | ||||
| 56 |
Grupo Tragsatragsa.es
Provides engineering, technical assistance, and execution of projects for public administrations in agriculture, environment, and rural development sectors. |
12,239 | |||
| 57 |
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 | |||
| 58 |
Altrancapgemini-engineering.com
Altran, now Capgemini Engineering, offers engineering services Follow them on LinkedIn for updates and insights |
11,652 | |||
| 59 |
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 | |||
| 60 |
SEGULA Technologiessegulatechnologies.com
Provides global engineering services across major industrial sectors, committed to innovation, from research to industrialization and production. |
11,442 | |||
| 61 | 11,405 | ||||
| 62 | 10,873 | ||||
| 63 |
Social Group - socialgroup.chsocialgroup.ch
Optimizing digital business ecosystems, enhancing LinkedIn presence for sustainable growth, measurable success, and maximum efficiency in sales and recruiting. |
10,803 | |||
| 64 |
Sogetisogeti.com
Helps organizations with technology solutions, implements innovation quickly, focuses on quality engineering, cloud, application development through AI, data, and automation. |
10,781 | |||
| 65 |
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 | |||
| 66 |
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 | |||
| 67 |
SYSTRAsystra.com
Leading engineering and consultancy group specializing in public transport and mobility solutions, connecting people and regions through transport infrastructure development. |
10,162 | |||
| 68 |
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 | |||
| 69 |
BSIbsigroup.com
A global organization with over 100 years of experience in shaping best practices, helping businesses achieve excellence, competence, and sustainable growth |
9,882 | |||
| 70 |
Macemacegroup.com
Delivery consultancy and construction expertise for iconic buildings, data centres, life science, social infrastructure, and regeneration projects worldwide. |
9,872 | |||
| 71 |
KPMG Deutschlandkpmg.com
Providing audit, tax, consulting, and deal advisory services with interdisciplinary teams specializing in key industries across multiple locations. |
9,823 | |||
| 72 |
Atkinsatkinsrealis.com
World-class engineering services and nuclear organization connecting people, data, and technology to transform global infrastructure and energy systems through design and management. |
9,798 | |||
| 73 | 9,778 | ||||
| 74 |
Endavaendava.com
The company leverages technology and expertise to drive innovation and transform businesses with customized digital solutions across industries |
9,559 | |||
| 75 |
Forvis Mazars Groupforvismazars.com
International partnership delivering audit, tax, and advisory services across one hundred countries and territories through an integrated global professional services network. |
9,534 | |||
| 76 | 9,343 | ||||
| 77 |
AMSweareams.com
Global talent solutions business specializing in sourcing, selecting, and retaining top talent through digital innovation, HR expertise, and a holistic approach to workforce management |
8,718 | |||
| 78 | 8,647 | ||||
| 79 |
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 | |||
| 80 |
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 | |||
| 81 |
Netcompanynetcompany.com
Providing agile IT consulting and digital transformation services, delivering scalable, modern technology solutions for large Northern European clients. |
8,266 | |||
| 82 | 8,259 | ||||
| 83 | 8,200 | ||||
| 84 |
ILUNIONilunion.com
A group of companies focused on creating a more accessible world, reinventing themselves daily to compete and move forward |
8,198 | |||
| 85 |
Assystemassystem.com
Independent nuclear engineering company accelerating energy transition, developing nuclear and renewable energies, power grids, hydrogen projects, and low-carbon transport. |
8,143 | |||
| 86 |
Arteliaarteliagroup.com
consultancy, engineering, and project management group specializing in mobility, water, energy, building, and industry, offering comprehensive engineering solutions globally. |
8,106 | |||
| 87 | 8,026 | ||||
| 88 | 7,996 | ||||
| 89 | 7,793 | ||||
| 90 |
Royal HaskoningDHVhaskoning.com
Independent consulting engineering firm providing sustainable solutions addressing climate change, digital transformation, energy transition, and societal challenges worldwide. |
7,740 | |||
| 91 |
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 | |||
| 92 | 7,523 | ||||
| 93 |
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 | |||
| 94 |
SOCOTECsocotec.fr
Provides services throughout the entire life cycle of built assets for compliance, extended lifespan, improved performance, and peopleโs safety in construction, infrastructure, and industry. |
7,326 | |||
| 95 |
Accenture Italiaaccenture.com
Global professional services firm specializing in digital, cloud, security, strategy, consulting, technology, and operations across multiple industries worldwide. |
7,209 | |||
| 96 |
TRACTEBELtractebel-engie.com
Provides integrated solutions for sustainable energy and built environment projects, offering expertise in nuclear, renewables, power, grids, infrastructure, and water resources. |
7,185 | |||
| 97 |
Wavestonewavestone.com
Provides consulting services combining technology and business expertise for strategic transformations and sustainable transitions for large companies. |
7,026 | |||
| 98 | 6,905 | ||||
| 99 | 6,800 | ||||
| 100 |
BIPbip-group.com
A diverse network of thinkers and creators offering tailored consultancy services, turning ideas into projects to drive market change and benefit customers |
6,757 | |||
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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 13, 2026.
More company lists in Europe
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- Multinational companies in Europe 42,019
- Companies with in-house R&D in Europe 20,166
- Retail chains in Europe 19,258
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- Professional services firms in Europe 13,699
- SaaS companies in Europe 13,682
- Software Development companies in Europe 12,950
- Financial services firms in Europe 12,941
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- Distributors and wholesalers in Europe 7,573
- Retail companies in Europe 6,240
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- E-commerce companies in Europe 5,864
- Hotel and hospitality groups in Europe 5,739
- Subscription businesses in Europe 5,640
The same list elsewhere
- Consulting firms in the world 16,009
- Consulting firms in France 4,251
- Consulting firms in the United Kingdom 1,298
- Consulting firms in Germany 584
- Consulting firms in the Netherlands 568
- Consulting firms in Spain 420
- Consulting firms in Italy 337
- Consulting firms in Switzerland 288
- Consulting firms in Belgium 285
- Consulting firms in Sweden 136
- Consulting firms in Denmark 107
- Consulting firms in Poland 93
- Consulting firms in Portugal 79
- Consulting firms in Norway 72
- Consulting firms in Ireland 65
- Consulting firms in Finland 55
- Consulting firms in Austria 48
- Consulting firms in Luxembourg 37
- Consulting firms in the Czech Republic 27