# Conceptos Contables LLC Conceptos Contables LLC is an ITIN acceptance agent in Rosedale, Maryland, United States. ## Details - Address: 8223 Philadelphia Road, Rosedale, Maryland, 21237, United States - Phone: [410-675-0200]() - Also trading as: Portillo Tax Group - Source note: IRS Acceptance Agent Program list for Maryland (page last reviewed 20-Aug-2026; retrieved 2026-10-02). US federal public domain (17 U.S.C. 105). ## Questions ### Where is Conceptos Contables LLC? Conceptos Contables LLC is at 8223 Philadelphia Road, Rosedale, Maryland, 21237, United States. ### How do I contact Conceptos Contables LLC? To contact Conceptos Contables LLC, call 410-675-0200. ## Source From [U.S. Internal Revenue Service](https://www.irs.gov/individuals/international-taxpayers/acceptance-agents-maryland), license Public domain (17 U.S.C. 105; irs.gov content use terms request credit), checked 2026-10-03. Last updated October 3, 2026. ## Links - This ITIN acceptance agent on the [web page]() - [Certifying acceptance agents in Rosedale]() - [IRS acceptance agents in Rosedale]() - [More ITIN acceptance agents in Rosedale]()