The Hauts-de-Seine department hosts a concentration of accounting and financial services firms. These companies range from large international partnerships like Forvis Mazars Group, which delivers audit, tax, and advisory services globally, and PwC France, offering consulting, audit, legal, and tax expertise, to mid-sized firms such as Grant-Thornton France, providing audit and financial advisory, and In Extenso Ile-de-France, which focuses on accounting and consulting for small and medium-sized businesses. Many also offer legal and social assistance. Most of these firms are headquartered in Neuilly-sur-Seine or Levallois-Perret. This indicates a geographical clustering of major professional services providers within the department. The services offered span comprehensive accounting, audit, tax, and various forms of consulting, including operational, financial, and sustainable transformation.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 |
PwC Francepwc.fr
Offers consulting, audit, legal, and tax expertise, blending technology with multidisciplinary knowledge to accelerate sustainable business transformation for organizations. |
4,109 | |||
| 3 |
Grant-Thornton Francegrantthornton.fr
Provides audit, financial advisory, operational consulting, legal and tax advice, and sustainable transformation services to French businesses. |
2,342 | |||
| 4 |
In Extenso Ile-de-Franceinextenso.fr
Provides comprehensive accounting and consulting services to small and medium-sized businesses, guiding them from creation to transmission with local expert support. |
147 | |||
| 5 |
PwC Consulting - People & Organizationpwc.fr
Specializing in consulting and audit services, the company focuses on human-centered transformation projects, integrating operational performance with human development for successful business outcomes |
145 | |||
| 6 |
PRICEWATERHOUSECOOPERS ADVISORYpwc.com
An innovative community offering solutions through human ingenuity, technology, and products to enhance trust and achieve lasting results for organizations |
136 | |||
| 7 | 103 | ||||
| 8 |
Crowe HAFcrowe-haf.fr
Provides financial, accounting, and consulting services, including audit, valuation, transaction support, and sustainability consulting for diverse clients in international contexts. |
80 | |||
| 9 |
ARPEGEarpege-conseils.fr
Multidisciplinary firm providing accounting, consulting, and auditing services, offering collaborative tools, social support, legal assistance, and acquisition/valuation audits for clients. |
80 | |||
| 10 |
Gestionphigestionphi.fr
An independent multidisciplinary consulting firm founded in the late 1990s by entrepreneurs, providing rapid and significant business development services |
66 | |||
| 11 |
ADMINISTROadministro.fr
An accounting company in Antony, France, providing administrative services to businesses |
64 | |||
| 12 | 62 | ||||
| 13 |
CABINET FIPAR | Audit, Conseil, Accompagnement & Expertise-Comptablecabinet-fipar.fr
Offers accounting, auditing, and consulting services nationwide. Assists with company creation, financial statements, payroll, group restructuring, and struggling businesses. |
57 | |||
| 14 | 52 | ||||
| 15 |
BVTC CONSEILbvtc-conseil.fr
Expertise in accounting and auditing, focusing on the transport sector. They also provide personalized consulting for business creation and support clients with legal, commercial, and social poles. |
43 | |||
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. | |||||
| 16 | 42 | ||||
| 17 | 39 | ||||
| 18 |
Groupe Stentorgroupestentor.fr
The company combines accounting, wealth management, and social welfare services to accompany clients in growing their businesses and personal assets, providing tailored advice and solutions |
37 | |||
| 19 |
IFEC Groupeifec.eu
Offers audit, accounting, CSR, and consulting services. Provides strategic monitoring, technical assistance, training, and quality control for financial and extra-financial projects. |
33 | |||
| 20 |
MAJHAmajhaaccounting.com
Providing innovative and tailored accounting solutions for businesses to achieve a better financial future, primarily in the Paris region but nationally available. |
30 | |||
| 21 |
GROUPE FIDUCIAIRE CHAFIIfiduciairechafii.fr
Provides accounting expertise and IT development in accounting/management, offering close support to small and medium-sized businesses across various sectors. |
29 | |||
| 22 |
AVEXXENS experts-comptables conseilsavexxens-expert-comptable.fr
Avexxens is an accounting firm offering comprehensive services in accounting, tax, payroll, legal assistance, and audit, focused on supporting businesses and professionals |
29 | |||
| 23 | 27 | ||||
| 24 |
fleuret associ茅sfleuret.eu
Provides expert accounting, audit, legal, tax, and human resources advice to businesses and individuals, focusing on client proximity and digital innovation. |
25 | |||
| 25 |
Le Carr茅 Expertsle-carre-experts.com
A company offering accounting expertise and support for businesses and executives in legal, tax, social, administrative, and financial matters, with a focus on continuous improvement |
23 | |||
| 26 |
Mindset Financemindsetfinance.fr
Support for startups, TPEs, and SMEs through outsourced financial direction, cash management, business planning, reporting, and digital finance transformation. |
17 | |||
| 27 |
Cabinet d'expertise comptable Etchecometchecom.fr
Rely on us for all your accounting needs! Our firm in Rueil-Malmaison offers expert services Contact us for assistance today |
15 | |||
| 28 |
Groupe Fiderecfiderec.com
Multidisciplinary team providing accounting, auditing, legal, fiscal, social management, business planning, and acquisition support for medium-sized companies. |
14 | |||
| 29 |
Cabinet Galaxy Conseilgalaxy-conseil.fr
Galaxy Conseil offers tailored consulting services in accounting and HR management, along with an integrated digital platform for streamlined financial monitoring and automation |
14 | |||
| 30 |
SNR Auditgroupe-snr.com
A boutique firm specializing in audit, accounting, legal counsel, and business consulting, affiliated with a national network and international presence |
14 | |||
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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 the Hauts-de-Seine department
- The largest companies in the Hauts-de-Seine department 5,160
- Multinational companies in the Hauts-de-Seine department 1,231
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- SaaS companies in the Hauts-de-Seine department 389
- Business Consulting and Services companies in the Hauts-de-Seine department 304
- Software Development companies in the Hauts-de-Seine department 301
- Retail chains in the Hauts-de-Seine department 292
- Manufacturers in the Hauts-de-Seine department 285
- Advertising Services companies in the Hauts-de-Seine department 281
- Marketing and communications agencies in the Hauts-de-Seine department 235
- Subscription businesses in the Hauts-de-Seine department 228
- Hardware manufacturers in the Hauts-de-Seine department 199
- Financial services firms in the Hauts-de-Seine department 198
- Companies with a mobile app in the Hauts-de-Seine department 189
- Critical infrastructure operators in the Hauts-de-Seine department 169
- AI companies in the Hauts-de-Seine department 159
- Education providers in the Hauts-de-Seine department 159
- Cybersecurity companies in the Hauts-de-Seine department 154
- Distributors and wholesalers in the Hauts-de-Seine department 154
- Recruitment and staffing agencies in the Hauts-de-Seine department 152
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