Customer Service

If you have questions or comments, or you have encountered a service issue, please contact us. We will make every effort to respond to your e-mail within 24 hours during normal business periods. Thank you!

Please send an e-mail to: or call

US toll free: 1-877-819-CERT (2378)
US: 305-925-6947
UK, London: + 44 0844-701-4444
Egypt, Cairo: + 202-456-7100
España: +34 911 982 865