Contact Us If you have any unanswered questions, please let us know. There are five easy ways to contact us. Simply call, email, fax, write or just stop by. A-G Accounting & Business Services Inc info@sinexaccounting.com Phone: (610)285-1990   Fill out the form below to e-mail us. Name * E-Mail * Phone Number Best time to call Comments   P.O Box 310 Old Zionsville, PA 18068-0310 Phone: (855) 817-3405  info@a-gaccounting.com