Companies in Soisy-sous-Montmorency

9 companies have an active site of 50 or more employees in Soisy-sous-Montmorency (SIRENE register, file dated 01/10/2026).

Company name or SIREN number

Sector All sectors Health and cosmetics (1) Digital (1) Retail (2) Hotels and catering (1) Construction (1) Finance and real estate (1) Social care (2)

Site size All sizes 250 employees or more (3) 100 to 249 employees (4) 50 to 99 employees (2)

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9 companies

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• ET

  ENTREPRISE DE TRAVAUX FAYOLLE ET FILS

  Construction500 à 999 salariés

  Soisy-sous-Montmorency

• AH

  AUCHAN HYPERMARCHE

  Retail250 à 499 salariés

  Cergy, Osny +3

• SG

  SOCIETE GENERALE

  Finance and real estate250 à 499 salariés

  Cergy, Saint-Leu-la-Forêt +36

• OR

  ORANGE

  Digital200 à 249 salariés

  Éragny-sur-Oise, Cergy +2

• SO

  SOGERES

  Hotels and catering200 à 249 salariés

  Osny, Bezons +22

• EG

  EG RETAIL (FRANCE) SAS

  Retail100 à 199 salariés

  Cergy, Attainville +4

• LA

  LADAPT

  Social care100 à 199 salariés

  Soisy-sous-Montmorency, Sarcelles +4

• AG

  ALPH'AGE GESTION

  Social care50 à 99 salariés

  Soisy-sous-Montmorency

• IB

  INOVIE BIOFUTUR

  Health and cosmetics50 à 99 salariés

  L'Isle-Adam, Villiers-le-Bel +12

Town profile : Soisy-sous-Montmorency Premises available in Soisy-sous-Montmorency

Source: SIRENE register (Insee), file dated 01/10/2026. The headcount band is the one declared in SIRENE, not an exact headcount. Companies that asked for their data not to be disclosed are not listed. Something to correct? Write to CEEVO.

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