How does expertpay work for employers? By simplifying and streamlining old, cumbersome processes, ExpertPay dramatically reduces time, errors and costs versus traditional, manual methods of making and managing child support payments. For employers, payroll providers, state agencies and non-custodial parents.How do i create a payment profile in expertpay? Payment Profiles After logging in to ExpertPaySM, click on “Payment Profiles” and the following screen will appear: The “Payment Profiles” option allows you to name your profile (for example, weekly, biweekly, monthly, etc.). Once you name the profile you will choose the bank account from which the payment will be deducted.Where can i find expertpay in ohio? ExpertPay. Payment Processing Services. Business Profile. ExpertPay. 470 Olde Worthington Rd Ste 200. Westerville, OH 43082-9127. http://www.expertpay.com. (800) 403-0879.