This selection of companies in Île-de-France focuses on AI consultancies and service providers, predominantly mid-sized firms with some larger groups. Capgemini, with over 340,000 employees, offers end-to-end services in AI, technology, and business operations. Talan supports clients in Data & AI transformation, while Sia specializes in strategy, AI, and management consulting. Artefact focuses on data and AI adoption, and Business & Decision designs solutions for business transformation using AI. Magellan helps businesses with digital transformation through expertise in technology and digital creativity.
The companies listed are primarily headquartered in Paris, with a few in surrounding areas like Paris La Défense, Neuilly-sur-Seine, and Levallois-Perret. Most of these firms were founded between the late 1980s and early 2000s, indicating a significant period of growth in IT and business consulting services in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 |
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 | |||
| 3 | 4,659 | ||||
| 4 |
Onepointgroupeonepoint.com
Experts in data, design, and platforms, transforming companies and public administrations through strategic vision and operational implementation with cutting-edge technology and business skills |
3,835 | |||
| 5 |
Siasia-partners.com
Next-generation global consulting group specializing in strategy, AI, and management, helping clients with transformation through data science and advanced GenAI solutions. |
3,646 | |||
| 6 |
Magellanmagellangroup.eu
Magellan Partners helps businesses succeed in their digital transformation by combining business expertise, technology knowledge, and digital creativity to open new digital paths |
2,794 | |||
| 7 |
Artefactartefact.com
Consulting company focused on data and AI adoption, specializing in data transformation and marketing to drive business results across the value chain for global brands. |
2,572 | |||
| 8 | 1,700 | ||||
| 9 |
Business & Decisionbusinessdecision.com
Specializes in collecting, analyzing, exploiting, and valorizing data. Designs and deploys innovative solutions for business transformation through cutting-edge technologies like AI. |
1,666 | |||
| 10 |
HeadMind Partnersheadmind.com
Advises major companies on cybersecurity, digital projects, and Artificial Intelligence, with expertise in digital risks. |
1,500 | |||
| 11 |
CGI Business Consultingcgi.com
Digital transformation consulting firm that anticipates, designs, and implements customized strategies for various sectors to shape the economy of tomorrow |
1,319 | |||
| 12 | 1,083 | ||||
| 13 |
OCTO Technologyocto.com
Consulting firm in new technologies and digital transformation, recognized for tech and methodology expertise, innovative organization methods, and responsible digital practices. |
842 | |||
| 14 |
Theodotheodo.com
The company focuses on helping clients succeed in their digital transformation, developing new business opportunities, and becoming leaders in their market through innovative digital solutions |
819 | |||
| 15 |
Jems Groupjems-group.com
Create, manage, and operate customer data patrimony, industrializing use cases and innovative services based on AI or pure analytics for key accounts. |
717 | |||
| 16 |
TNP Consultantstnpconsultants.com
Independent consulting firm specializing in operational, regulatory, and digital transformations across multiple industries and regions worldwide. |
584 | |||
| 17 |
Devoteam | Google Cloud Partnergcloud.devoteam.com
Provides innovative Google Cloud solutions across AI, IT modernization, security, and work transformation, with expertise in migrating users and assisting organizations. |
579 | |||
| 18 |
Ippon Technologiesippon.tech
Consulting and expertise firm. Helps clients leverage digital assets, design strategy, and deploy transformation roadmaps. Focuses on product, data, cloud, DevOps, and software engineering. |
545 | |||
| 19 |
Ekimetricsekimetrics.com
AI-powered managed solutions combine platform with experts. Help companies build sustained competitive advantage through critical business decision transformation, delivering measurable, lasting impact. |
520 | |||
| 20 |
ObjectWareobjectware.fr
Provides IT consulting and system engineering services across various sectors, including finance, banking, insurance, and others, assisting clients with their IT projects. |
501 | |||
| 21 |
Epsilon Franceepsilon-france.com
Provides data-driven marketing and technology services, managing strategy and execution for over 300 clients with 650 experts. |
486 | |||
| 22 |
fifty-fivefifty-five.com
Offers data-based services with consulting, technical skills, and marketing understanding, helping brands with their marketing strategies using data. |
484 | |||
| 23 |
Converteoconverteo.com
Driving client transformation through data, AI, and Agentics. From strategy to execution, deploying advanced technological solutions for major economic players. |
472 | |||
| 24 |
CORELIAcorelia.ai
CORELIA correlates data for clients, blending expertise with project complexity through IT and business alignment, emphasizing data's importance in all projects |
402 | |||
| 25 |
Humanskillshumanskills.fr
specialized group providing tailored digital, AI, data, and product services, enhancing client teams and driving business transformation effectively |
385 | |||
| 26 |
VO2 GROUPvo2-group.com
Independent leader in customer and employee experience, specializing in tech and digital consulting, with a focus on AI solutions. |
375 | |||
| 27 |
Talan - Francetalan.com
Advises and supports businesses and public institutions in transformation and innovation projects using technology, data, and AI, globally. |
372 | |||
| 28 |
Insideinsidegroup.fr
Offers digital consulting and services, simplifying business transformation from strategy to implementation, focusing on concrete, lasting results across infrastructure, cloud, digital, and cybersecurity. |
372 | |||
| 29 |
Soft Computingepsilon-france.com
Soft Computing is a French consulting and services company specializing in CRM, Business Intelligence, and e-Business, serving large clients with technology and marketing services |
339 | |||
| 30 | 328 | ||||
| 31 |
SBI - Data | AI | EPMsbi-group.com
Specializes in analytics, finance, and business transformation consulting, helping organizations improve performance through innovative data-driven decision-making worldwide. |
323 | |||
| 32 |
Lincoln Francelincoln.fr
Offers data science and Modern BI expertise, consulting, and support for decision-making projects, utilizing predictive analysis and machine learning algorithms. |
316 | |||
| 33 | 296 | ||||
| 34 |
isahitisahit.com
ethically fine-tuning LLMs, optimizing RAG, and processing data for top-quality, bias-free AI agents, while empowering women across four continents. |
288 | |||
| 35 |
act digital EMEA - Alter Solutionsactdigital.com
AI-first multinational technology company providing customized, scalable solutions with local agility and global expertise to create business value. |
284 | |||
| 36 |
APGARapgar-group.com
Provides global consultancy and managed services in data management and AI, supporting diverse industries with sustainable, innovative solutions. |
278 | |||
| 37 |
DSI GROUPgroup-dsi.com
An engineering services company within the DSI GROUP, prioritizing staff development and customer relationships with a focus on flexibility and customer loyalty |
225 | |||
| 38 |
PMP Strategypmpstrategy.com
Specialized consultancy firm with expertise in telecoms, transportation, energy decarbonization, financial services, and digital solutions, serving clients globally with tailored innovative solutions |
225 | |||
| 39 |
Beijaflorejoin.headmind.com
An international operational consulting firm specializing in digital strategy, with offices in multiple cities, helping organizations build and enhance their digital strategies |
223 | |||
| 40 |
Revevolrevevol.com
Cloud transformation consultancy providing digital workplace migration, customer success, app development, and machine learning services through strategic partnerships with Google and Microsoft. |
210 | |||
| 41 | 210 | ||||
| 42 | 194 | ||||
| 43 |
Adservioadservio.fr
Design and implementation of resilient digital experiences through expert consulting, technical infrastructure optimization, and innovative technology solutions to ensure reliable business performance. |
190 | |||
| 44 | 184 | ||||
| 45 | 176 | ||||
| 46 |
5 Degrés5degres.com
Consultancy specializing in digital product and data, organized into five practices covering the entire digital product creation chain for B2B and B2C clients. |
176 | |||
| 47 |
Equancy |Groupe EDGequancy.com
Consulting firm digital strategy and data. Addressing business growth and performance using new technologies, AI, and data with sector-specific expertise. |
176 | |||
| 48 | 173 | ||||
| 49 | 172 | ||||
| 50 |
Galadrimgaladrim.fr
Agile development team specializing in web and mobile app design for startups, SMEs, and large companies Trusted by clients like Leroy Merlin and Decathlon |
168 | |||
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 | 164 | ||||
| 52 |
CAPFI Groupecapfi.fr
Provides IT solutions, consulting across finance, banking, insurance, cybersecurity, project management, digital solutions, and big data to seize market opportunities. |
164 | |||
| 53 |
ILLUIN Technologyilluin.tech
Specialists in scientific, technological, Design Thinking, and UX, driving innovation and digital transformation by leveraging AI and user-centric approaches in agile, tech-driven solutions |
162 | |||
| 54 |
FINAXYSfinaxys.com
Specialized IT consulting firm for financial institutions, providing expertise in financial engineering, IT systems architecture, application development, and software integration for market finance |
161 | |||
| 55 |
Devoteam Data Drivendevoteam.com
A cross-functional team leveraging data insights to drive business impact, agility, competitiveness, and sustainable growth while nurturing a data-driven culture within organizations |
160 | |||
| 56 |
Novelisnovelis.io
Specializes in offering comprehensive solutions and services combining process expertise with Process Intelligence, intelligent automation, AI advancements, innovative architectures, and cybersecurity. |
152 | |||
| 57 |
Sibylonesibylone.com
Consulting services enabling companies to fully leverage data assets for improved performance, risk management, financing, and customer acquisition. |
149 | |||
| 58 |
Diametraldiametral.com
Designs, builds, and operates AI-native systems that transform critical processes into measurable performance levers for faster execution, increased efficiency, and smarter decisions. |
143 | |||
| 59 |
Wivoo, a Wavestone Companywivoo.fr
Product Management, Data, and AI consulting services, creating impactful digital products and solutions by combining data power with a user-centered vision. |
142 | |||
| 60 |
Hubvisoryhubvisory.com
Helps large groups create successful digital products, build efficient product organizations, and develop user-centric, differentiated digital products with intuitive user experiences. |
135 | |||
| 61 |
Alegria.grouplovable.app
Support companies and individuals in digital transformation through Nocode and AI technologies, including training, solutions, and expert community platform. |
135 | |||
| 62 |
Openvalueopenvalue.co
Openvalue is a consulting and integration firm specializing in Data & Artificial Intelligence, offering services in Machine Learning, NLP, UX design, and application development |
133 | |||
| 63 | 129 | ||||
| 64 |
Prose On Pixels Franceproseonpixels.com
Specializes in AI-powered creative content, delivering brand experiences with excellence to drive sustainable, audience-first performance globally. |
128 | |||
| 65 |
Publicis Sapient Francepublicissapient.fr
Enterprise technology firm providing AI platforms and digital transformation services to modernize systems, automate operations, and create agentic solutions for global clients. |
128 | |||
| 66 |
eleven strategyeleven-strategy.com
A strategy consulting firm specializing in addressing challenges of the digital revolution, offering strategic advice and marketing expertise to global clients |
124 | |||
| 67 |
CARBON ITcarbon-it.fr
Consulting and IT expertise in Artificial Intelligence and Software Engineering. Structuring and industrializing digital ambitions combining technical excellence, methodological rigor, and business value creation. |
121 | |||
| 68 |
Saegussaegus.com
Saegus specializes in providing digital expertise, innovation, and transformation services, focusing on digital workplace solutions, project acceleration tactics, and data-driven business strategies |
117 | |||
| 69 |
Solutionecsolutionec.com
A Paris-based consulting firm specializing in business intelligence and analytics for the healthcare and life sciences industry worldwide Innovative solutions for data-driven decision-making |
113 | |||
| 70 |
Berexiaberexia.com
Provides consulting, digital, new technologies, and innovation services; develops complete digital transformation solutions, smart products, and high-value software for clients globally. |
110 | |||
| 71 |
BayBridgeDigitalbaybridgedigital.com
Helps enterprises accelerate digital transformation by unifying data, activating AI-driven agents, and turning intelligence into tangible business outcomes across America, Europe, Middle East. |
108 | |||
| 72 |
SINGULIERsingulier.co
Partners with private equity, portfolio companies, and corporates, accelerating transformation and unlocking value across digital, data, tech, and AI. |
107 | |||
| 73 |
NowBrainsnowbrains.com
Specializing in digital transformation and IT expertise for small and medium-sized enterprises, offering services in IT infrastructure, cybersecurity, digital strategy, and more Helping businesses accelerate their potential |
105 | |||
| 74 |
Eleven Labseleven-labs.com
Provides web and AI engineering, audits, strategic advice, and custom development, leveraging collective intelligence and AI for robust digital solutions. |
104 | |||
| 75 |
Aubay Data & AIaubay.com
Aubay Data & AI specializes in Data and Artificial Intelligence consulting, guiding clients in defining and implementing successful data strategies for innovation and transformation |
102 | |||
| 76 |
Mister IAmister-ia.com
Training employees on AI tools like ChatGPT and Microsoft Copilot, auditing processes, and optimizing business productivity with AI solutions. |
99 | |||
| 77 |
LittleBigCodediametral.com
Specializes in designing Artificial Intelligence applications and Big Data platforms, industrializing decision support models, and making client data usable on the Cloud. |
98 | |||
| 78 | 97 | ||||
| 79 |
STEP Consultingstep-consulting.fr
Strategy and transformation consulting for aeronautics, defense, and complex industries. Helps companies leverage data with AI for performance breakthroughs and market adaptation. |
96 | |||
| 80 |
On train - Tech, Data & AI trainingon-train.com
Connects companies with expert trainers to deliver tailored tech, data, and AI training programs enhancing workforce skills and innovation. |
92 | |||
| 81 |
Solution BI Francesolution-bi.com
Service and consulting firm specializing in Business Intelligence (BI), offering solutions for diverse business challenges Connect with us at wwwsolution-bicom |
92 | |||
| 82 |
Avencoreavencore.com
International consulting firm specializing in manufacturing industries, providing creative solutions for operational excellence and strategic challenges through holistic approaches and agile teams |
92 | |||
| 83 |
Eulidiaeulidia.com
Eulidia helps businesses optimize data projects, drive performance, and increase competitiveness through tailored solutions in operational research, data science, and BI |
89 | |||
| 84 |
AI Buildersaibuilders.ai
consulting firm guiding businesses in defining, structuring, and deploying Data and AI strategies for sustainable, ethical, and value-oriented transformation. |
88 | |||
| 85 |
Quadraticquadratic-labs.com
Consulting and engineering firm specializing in digital transformation, data science, software development, and operational performance optimization for organizations. |
88 | |||
| 86 |
INCEPTOincepto-medical.com
Co-creating AI applications for radiology with medical centers to empower healthcare professionals, streamline patient care, and save lives through innovative technology |
87 | |||
| 87 |
elyadataelyadata.com
The company specializes in driving data transformation through a combination of software development, data science, and innovative technologies |
87 | |||
| 88 |
The CodingMachinethecodingmachine.com
An IT company specializing in custom web and mobile development using open source technology, agile methodologies, and a love for beautiful code |
82 | |||
| 89 |
Wimbeewimbeetech.com
Expert technical consultants and developers providing data strategy, digital transformation, performance management, customer intelligence, risk compliance, big data, and GDPR implementation services. |
81 | |||
| 90 | 81 | ||||
| 91 |
Visianvisian.tech
VISIAN, a subsidiary of Neurones Group, specializes in IT strategy, innovation, project management, product development, and data analysis to accelerate business transformation |
80 | |||
| 92 |
Javistajavista.com
Design and deploy Microsoft CRM, low code, and AI solutions to enhance customer experience, automate business processes, and boost productivity. |
80 | |||
| 93 | 79 | ||||
| 94 |
POLARYSsilamir.com
Specializing in advisory, design, and implementation of decision-making projects, with a team of 200 combining business expertise and technology mastery Providing top-notch analytical experiences to clients |
79 | |||
| 95 | 78 | ||||
| 96 |
Theodo Data & AIsicara.com
Development of custom big data solutions using agile methodologies to accelerate production and meet specific client needs efficiently. |
77 | |||
| 97 |
FEKRA GROUPfekra-group.com
Specializing in integrating management solutions for businesses, with expertise in specialized financing and accounting Providing tailored solutions, guiding clients through every project stage |
76 | |||
| 98 |
GO & DEVgoandev.net
Technical expertise for web project development including custom software creation and digital solutions for clients seeking professional programming and application design services. |
75 | |||
| 99 |
QUANT AI Labquant.global
Industrializes AI for measurable, sustainable performance in finance and operations, providing specialized AI products, proprietary architecture, and end-to-end services to clients. |
75 | |||
| 100 |
IÉSEG CONSEIL Parisiesegconseil.fr
Non-profit student association providing consulting and study services to companies, offering practical experience to business school students. |
75 | |||
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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 Île-de-France
- The largest companies in Île-de-France 36,121
- Multinational companies in Île-de-France 6,026
- Professional services firms in Île-de-France 3,376
- SaaS companies in Île-de-France 2,859
- IT Services and IT Consulting companies in Île-de-France 2,776
- Companies with in-house R&D in Île-de-France 2,695
- IT services companies in Île-de-France 2,623
- Consulting firms in Île-de-France 2,407
- Retail chains in Île-de-France 2,314
- Software Development companies in Île-de-France 1,992
- Business Consulting and Services companies in Île-de-France 1,903
- Financial services firms in Île-de-France 1,729
- Manufacturers in Île-de-France 1,515
- Law Practice companies in Île-de-France 1,366
- Subscription businesses in Île-de-France 1,359
- Education providers in Île-de-France 1,300
- Advertising Services companies in Île-de-France 1,261
- Financial Services companies in Île-de-France 1,196
- Marketing and communications agencies in Île-de-France 1,173
- Hardware manufacturers in Île-de-France 1,142
- Companies with a mobile app in Île-de-France 1,105
- Recruitment and staffing agencies in Île-de-France 1,013
- Public sector organisations in Île-de-France 989
- Technology, Information and Internet companies in Île-de-France 982
The same list elsewhere in France
- AI consultancies and service providers in France 696
- AI consultancies and service providers in the Hauts-de-Seine department 62
- AI consultancies and service providers in Auvergne-Rhône-Alpes 46
- AI consultancies and service providers in Nouvelle-Aquitaine 34
- AI consultancies and service providers in Occitanie 33
- AI consultancies and service providers in Provence-Alpes-Côte d'Azur 33
- AI consultancies and service providers in the Rhône department 29
- AI consultancies and service providers in the Bouches-du-Rhône department 25
- AI consultancies and service providers in Paris 358