The search results do not provide specific information about the company "Esteller" at the URLs provided. However, there are different companies with similar names: - Esteller (Wholesale Import and Export): Located in Spain, this company focuses on wholesale import and export activities[1]. - Esteller Fuster SA: Specializes in manufacturing furniture and fixtures[3]. - J Esteller SL: Based in Barcelona, but specific details about its services are not available in the search results[5]. Without direct access to the company's website or LinkedIn page, it's challenging to determine the unique selling proposition or target audience for "Esteller" specifically.