Tandem offers services in the field of corporate communication and marketing, particularly for companies in the Romandy region (French-speaking part of Switzerland). The core activities include: analysis of the competitive environment and development of communication strategies; conception and creation of content (text, images, videos) for various channels (web, social media, email); creation of websites and online presence; implementation of email marketing campaigns and tracking; consulting and support in the development of brand identities and corporate cultures; creation of content for corporate communication (press releases, blog posts, etc.). Overall, Tandem supports companies in the development and implementation of communication and marketing strategies to strengthen their online presence and achieve their goals.