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App Development Company

Et Si ...

Digital agency creating brand websites, interactive experiences and mobile apps for major brands

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About Et Si ...

Et Si is a digital agency that says it has worked since 2006 on projects for well-known brands. It designs and builds branded experiences across digital channels, social media and physical venues.

Its team advises clients and produces solutions matched to their aims. Recent showcase work includes an Olympic-themed experience for Paris airports and an immersive 3D brochure for Hôtel de Crillon.

What Et Si offers

  • Websites — sites and interactive digital experiences.
  • Phygital installations — tactile and gaming set-ups in stores and at trade shows.
  • Mobile apps — applications built for brand projects.
  • Editorial and social media — content strategy and brand content.
  • Augmented and virtual reality — immersive tools for communication.

Who it works with

Large brands. Named projects include L'Oréal, Martell, Armani Privé, Zespri and Apgar.

Key facts

  • Founded: 2006
  • Languages: French-language website

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

What the business tells TrustList

Founded
2006 (20 years) evidence sent

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