https://insurance-accident-claims.co.uk/nationwide The first step in the claims process is to report the incident to Nationwide as soon as possible. Whether it's a car accident, property damage, or a health-related issue, timely reporting is essential. You can report a claim online, through the Nationwide mobile app, or by calling their customer service hotline. Be prepared to provide details such as the date, time, and location of the incident, as well as any relevant documentation like police reports or medical records.