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We’re sorry that your experience with ADP was unsatisfactory. Due to the nature of our business and the trust that our clients place in us to safeguard their employees’ highly confidential information, ADP conducts a thorough background check on all new hires after an offer is accepted but before employment begins. This includes verifying prior employment, including self-employment. The application that you completed and signed explained upfront that ADP will attempt to verify the information that you provided and that a comprehensive background check will be required at the point of offer.
Thank you for taking the time to review ADP on Glassdoor and we wish you success in your career journey.