Customer Support Services

Representatives are available to assist you weekdays from 8:30 a.m. to 4:30 p.m. ET at (800) 424-2378 or (908) 439-2200, ext. 5742. After hours, please leave a voice-mail message. You may also e-mail questions and requests to customer_service@ambest.com or fax them to (908) 439-3296.

Customer Service

How can I place an order with A.M. Best?
You may purchase many of our products using a credit card through our secure online store or by contacting Customer Support Services. Visit our Product Directory for information about our entire product line.

How do I submit a name or address change?
You may e-mail your changes to Customer Support Services. When submitting your request, please note whether the changes apply to an individual or the entire company, and provide the following information: account number, complete former address and complete new address. Note: Street address is required for delivery of product shipments.

Where can I obtain a Form W-9?

  • Form W-9 - A.M. Best Information Services (for Product payments)
  • Form W-9 - A.M. Best Rating Services (for Rating Service Fee payments)

Billing Information

What is your credit policy for new customers?
Prepayment is required for customers without an established A.M. Best account. Companies located outside the U.S. may be required to prepay. Prepayment may be made by supplying credit card (American Express, Discover, MasterCard, Visa) information or by including a check with your order. Credit applications are available for purchases over $500. Contact Customer Support Services for more information.

What is your billing process and terms of payment?
Invoices are generated when service begins or the product is shipped. Payment term is net 30 days. All past-due invoices are subject to a finance charge of 1.5% per month, which is equivalent to an annual percentage rate of 18%.

How can I issue payments to A.M. Best for outstanding invoices?
Payments may be made via check, credit card or electronic funds transfer. Please include your account or invoice numbers with your remittance advice. Payments should be sent to the remittance address on your billing invoice or statement. You may obtain more information by e-mailing Customer Support Services.

What are your return policies?
Purchases of reports, information, etc. downloaded or printed from the AMB website or delivered via e-mail are considered nonreturnable and nonrefundable. Customized orders are nonreturnable and nonrefundable.

Requests to return print products must be made within thirty (30) days of shipment and are subject to approval by A.M. Best (AMB). Before returning any publication, contact AMB to obtain a Return Material Authorization number (RMA #).

Automatic renewals will remain in effect until AMB is notified in writing.

Please contact Customer Support Services with any questions.

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Consumer Information