Vodafone is a British multinational mobile network operator headquartered in England. It is the world's largest mobile telecommunications company based on revenue. Vodafone offers voice, messaging, data and fixed broadband services through multiple technologies to deliver total communications. Its vision is to lead the industry in responding to public health concerns regarding mobile phones and masts. It has operations in 31 countries and partnerships in 40 others, with over 427 million subscribers globally.