All Services Administrative & Secretarial Accounting Specialist/ Admin Assistant $8/hr · Starting at $25 Billing and invoicing, verifying payments and charges, payment processing and refunds, managing billing disputes and refunds, created modules and SOPs for VAs in this specific department. About $8/hr · Ongoing Download Resume Billing and invoicing, verifying payments and charges, payment processing and refunds, managing billing disputes and refunds, created modules and SOPs for VAs in this specific department. Skills & Expertise AccountingAdministrative AssistantBillingInvoicingManagementModule DesignOrder ProcessingPayment Gateway Integration 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Management ExpertsLead Generation ServicesReal Estate ExpertsAppointment Setting ServicesInbound Marketing ServicesOrder Processing ServicesLegal AdvisorsMotivational SpeakersOutbound Sales RepsAccountantsPayment Gateway Integration ServicesBilling ServicesInterviewersModule DesignersSocial Media MarketersInvoicing ExpertsCold CallersProcess Designers