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The 30 largest Government Administration companies in the Haute-Savoie department

Tamtam tracks 33 Government Administration companies headquartered in the Haute-Savoie department. This list ranks the 30 largest by number of employees on LinkedIn, led by Haute-Savoie General Council, Ville d'Annecy and Agglomération du Grand Annecy. Their median headcount is 86. The most common headquarters are Annecy (8), Annemasse (3) and Thonon-les-Bains (2).

🇫🇷 Haute-Savoie30 companiesUpdated Nov 15, 2026

These government administration entities in Haute-Savoie primarily focus on public services, regional development, and community well-being. They range from departmental councils and city administrations to intercommunal structures, providing essential support for local populations and economic growth. The list includes a mix of established public bodies and more recently formed intercommunal groupings.

Key organizations include the Haute-Savoie General Council, managing social services and economic development, and Ville d'Annecy, an administrative center boosting tourism. Agglomération du Grand Annecy coordinates initiatives across 34 communes, while Annemasse Agglo focuses on managing services in a transborder urban area. A notable pattern is the concentration of headquarters in Annecy, highlighting its role as the administrative hub of the department.

#CompanyIndustryHeadquarters EmployeesFounded
1
Haute-Savoie General Councilhautesavoie.fr

Management of social services, education, transportation, economic development, environmental protection, culture, and sports to support regional growth and community well-being.

Government Administration 🇫🇷 Annecy 711 n/a
2
Ville d'Annecyannecy.fr

Administrative center offering rich cultural, sporting events, diverse industries, and hosting major animation festival, boosting tourism and economy.

Government Administration 🇫🇷 Annecy 601 n/a
3
Agglomération du Grand Annecygrandannecy.fr

Coordination of economic, ecological, mobility, housing, and social initiatives across 34 communes to enhance residents' quality of life.

Government Administration 🇫🇷 Annecy 375 2017
4
Service Départemental d'Incendie et de Secours de la Haute-Savoiesdis74.fr

The company is a public firefighting department in Haute-Savoie, France, consisting of professional and volunteer firefighters, as well as administrative and technical staff They respond to various natural, industrial, technological, and everyday risks in the region

Government Administration 🇫🇷 Annecy 314 n/a
5
Annemasse Aggloannemasse-agglo.fr

Management of environment, economy, housing, transport, culture, and social services to improve quality of life in a transborder urban area.

Government Administration 🇫🇷 Annemasse 290 2007
6
Ville de Thonon-les-Bainsville-thonon.fr

Local government managing urban development, cultural promotion, public services, and infrastructure projects to enhance quality of life and attract residents.

Government Administration 🇫🇷 Thonon-les-Bains 248 n/a
7
CPAM de Haute-Savoieameli.fr

A social security organization in Haute-Savoie, part of a national network, working to protect the health of over 60 million insured individuals through various healthcare projects

Government Administration 🇫🇷 Annecy 227 n/a
8
Ville d'Annemasselinktr.ee

The company is located in Annemasse, a strategic hub in Haute-Savoie with a growing population and strong economic development near Geneva

Government Administration 🇫🇷 Annemasse 170 n/a
9
Thonon Agglomérationthononagglo.fr

Coordination of 25 communes in Haute-Savoie focusing on sustainable territorial planning, community services, and regional development with over 300 staff.

Government Administration 🇫🇷 Thonon-les-Bains 142 2017
10
CCI Haute-Savoieapp.utm.io

Support for 38,600 local businesses and communities through training, development services, and economic growth facilitation across multiple sectors.

Government Administration 🇫🇷 Annecy 131 n/a
11
Syanesyane.fr

Public energy and digital services provider supporting local authorities with electricity, gas, renewable energy, lighting, mobility, and digital infrastructure projects.

Government Administration 🇫🇷 Poisy 128 1950
12
Mairie de Megèvemairie.megeve.fr

Mountain resort specializing in winter sports, tourism, and alpine activities, offering extensive ski areas and high-quality accommodations.

Government Administration 🇫🇷 Megève 126 n/a
13
Mairie de Chamonix-Mont-Blancchamonix.fr

Local government providing administrative services and community support in Chamonix-Mont-Blanc, a renowned Alpine mountain commune.

Government Administration 🇫🇷 Chamonix-Mont-Blanc 109 n/a
14
Préfète de la Haute-Savoiehaute-savoie.gouv.fr

Official account representing state government services in Haute-Savoie, providing information and updates on regional administrative activities and public services.

Government Administration 🇫🇷 Annecy 87 1860
15
Ville de Saint-Julien-en-Genevoisst-julien-en-genevois.fr

The company is a local government entity in Saint-Julien-en-Genevois, focusing on providing services, facilities, and infrastructure improvements for the community's development and well-being

Government Administration 🇫🇷 Saint-Julien-en-Genevois 86 n/a

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16
Mairie de Ville-la-Grandville-la-grand.fr

Urban municipality in Haute-Savoie, France, with a population of 8700 Part of Annemasse Agglomération, offering a preserved living environment and a strong economy

Government Administration 🇫🇷 Ville-la-Grand 84 n/a
17
Communauté de Communes du Genevoiscc-genevois.fr

The company manages a community in Haute-Savoie, France, focusing on sustainable development and addressing the needs of a growing population near Geneva, Switzerland

Government Administration 🇫🇷 Archamps 82 n/a
18
SILA (Syndicat Mixte du Lac d'Annecy)sila.fr

Established in 1957 to protect Lake Annecy, the company specializes in wastewater treatment, waste management, environmental preservation, and water cycle management

Government Administration 🇫🇷 Annecy 75 1957
19
Communauté de communes pays d'Évian - vallée d'Abondancecc-peva.fr

Management of a diverse Alpine region with rich cultural heritage, seasonal activities, and international tourism appeal across 22 communes.

Government Administration 🇫🇷 Publier 74 2017
20
Communauté de Communes Faucigny Glièresccfg.fr

Management of local public services including children’s programs, cultural and sports facilities, urban planning, housing, and infrastructure maintenance.

Government Administration 🇫🇷 Bonneville 60 2006
21
Rumilly Terre de Savoierumilly-terredesavoie.fr

Intercommunal structure managing economic development, waste, water, social aid, transport, urban planning, and tourism across 17 communes.

Government Administration 🇫🇷 Rumilly 54 2000
22
Pôle métropolitain du Genevois françaisgenevoisfrancais.org

The company is a pole in the French part of Greater Geneva, focusing on sustainable development, new mobility, and economic innovation in the region

Government Administration 🇫🇷 Annemasse 44 2004
23
Ville Evianville-evian.fr

Town on Lake Leman's French shore, promoting sustainable development, rich cultural heritage, renowned for natural beauty and sports tourism.

Government Administration 🇫🇷 Évian-les-Bains 44 n/a
24
Mairie de Passyville-passy-mont-blanc.fr

Passy is a town in Pays du Mont-Blanc with a population of 11,319, offering a picturesque setting for mountain activities year-round

Government Administration 🇫🇷 Passy 37 n/a
25
SM3A - EPTB Arvesm3a.com

The company manages watercourses for 94 municipalities, focusing on flood prevention, watercourse maintenance, biodiversity preservation, and sustainable water resource management

Government Administration 🇫🇷 Saint-Pierre-en-Faucigny 24 1994
26
Commune de Reignier-Éseryreignier-esery.com

Government administration company located in Reignier-Esery, France, providing administrative services and support to the local community in Auvergne-Rhône-Alpes

Government Administration 🇫🇷 Reignier-Esery 24 n/a
27
Communauté de Communes des Montagnes du Giffremontagnesdugiffre.fr

This government administration company is based in France and focuses on serving the Montagnes du Giffre region in Auvergne-Rhône-Alpes

Government Administration 🇫🇷 Taninges 22 2013
28
Syndicat des eaux Rocailles Bellecombes-rb.fr

A major syndicate in Haute-Savoie overseeing water supply, sanitation, and fire hydrant control across 5 communities, with in-house expertise from source to disposal

Government Administration 🇫🇷 Fillinges 22 2013
29
Communauté de communes Arve et Salèvearve-saleve.fr

A government administration company in France, working in the area of Arve et Saleve, providing services to local communities

Government Administration 🇫🇷 Reignier-Esery 20 n/a
30
Ville de Gaillardgaillard.fr

A vibrant border town near Geneva, focusing on community engagement, urban development, and social diversity with a strong emphasis on innovation and mutual respect

Government Administration 🇫🇷 Gaillard 18 n/a

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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 15, 2026.

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