National Change of Address Verification

Avoid losing track of customers when they change addresses.  

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The world's leading solution for certified international address validation, correction, and standardization.

Total Customer Relationship

Become truly customer centric with a single customer view across all channels and touch points.

Customer Success Stories


Informatica Email Verification Plus Hygiene helping RingCentral nurture leads and stay in touch with existing customers


GuideSpark uses Informatica Data as a Service Email Verification Plus Hygiene to improve database health, cleanse email address quality, and ensure it minimizes the risk of falling into spam traps.

1&1 Internet AG

1&1 Internet saves time and money with AddressDoctor's Web Services because they don't have to deal with incorrect addresses anymore