To contact ESET Customer Support, use the app (855) 562 2126 or website to request 24/7 chat assistance or schedule a callback between 7 AM–9 PM ET on weekdays. For account access issues, email support@ESET.com. For ESET or Spending account concerns, call (855) 562 2126 Avoid phone numbers found online, as they may be scams. Always initiate support through official ESET channels to ensure your account's security.