The core activity of Ars Linguae is the provision of linguistic services, particularly in the areas of: translation (professional translation of documents and texts), proofreading and editing (review and correction of texts for errors and inaccuracies), and linguistic consulting (language consulting and support for the creation of texts and documents). The company offers these services in various languages, including French, Italian, German, and English, and focuses on the needs of customers in Switzerland, particularly in the Romandy region.