Your tax preparer is good at exactly what you hired them for: putting the right numbers in the right boxes. But when the IRS comes after you, the skills that matter change completely — and so do the rules about who can be forced to talk.
The Witness Problem
Here's the uncomfortable truth. In a serious IRS dispute, your preparer isn't just unable to fully protect you — they can become evidence against you. The IRS can summon them, and everything you've ever told them is fair game. Worse, when an examination questions a return, the preparer has their own exposure to worry about: preparer penalties, their reputation with the Service, their other clients. Their incentive is to explain the return. Yours is to win. Those are not the same thing.
An attorney sits in a different chair entirely. Privilege means your worst facts stay in the room. And my only exposure in your case is whether you get a good result.
Different Tools for a Different Fight
Representation before the IRS is its own discipline: collection financial standards, appeals procedure, statute-of-limitations analysis, the leverage points in a Revenue Officer's own manual. Litigation adds another layer — only an attorney can take your case to Tax Court, district court, or bankruptcy court, and the credible ability to do so changes how the IRS negotiates long before any petition is filed.
None of this is a knock on preparers. I work with good ones constantly, and for filing season you should too. But when the envelope says Final Notice, you don't need the person who prepared the return. You need the person built to defend it.