Summary Only Once has developed a Personal Data Vault and a business exchange service to help recruitment agencies and candidates to regain privacy control & make sure all candidate data is always up-to-date by reversing the chain of information (from Push to Pull) Why? We spend more and more time online. We exchange data and other information (resumes) in a myriad of ways. Often, the bulk of these exchanges are not handled in a very elegant, efficient or safe way. Our data is scattered around the Internet. Individuals and organizations lose precious time & money on inefficient data-exchange procedures and daily data management activities. Our Solution Only Once is a state of the art data cleaning and data exchange service. We provide you with the tools to clean your dirty hundred or thousands of phonebook contacts, dedouble and append them for you and keep your addressbook magically up2date with any effort on your side. Its all starts with updating your own set of data first. We support the cleaning of google contacts, iOS contacts, outlook and hotmail. Companies can outsource the cleaning of any type of CRM, ZOHO, Dynamics, Salesforce, Oracle, etc to us. Meer info? Contact us via our website Mail ons op info@onlyonce,com