History

John C O'Brien formed O'Brien Tax Service in 2008. The business started as an  IRS Authorized Electronic Return Originator (e-file) and was part of his insurance business until it was sold in 2011. Since then, the business has operated as a sole proprietorship.

John received his Enrolled Agent designation from the Internal Revenue Service in November 2016 and is valid until renewal March 31, 2023.

An Enrolled Agent has passed three exams covering Individual, Business, Trust, and Non-Profit also called Exempt Organizations along with the rules of practice.  An Enrolled Agent can represent any taxpayer before the IRS on any tax matter.