MD Sullivan LLC

About

The MD Sullivan LLC has a combined 206 years of professional tax experience. Their professionals have over 130 years of combined IRS experience. Helping taxpayers since 1983. We have resolved thousands of taxpayer cases. Licensed to practice nationwide

Tax Agencies Serviced

Federal Tax Agencies

Internal Revenue Service

Not Provided

Tax Types Serviced

Corporate Tax Income Tax Employment/Payroll Tax

Taxpayer Types Serviced

Individuals Sole Proprietor Limited Liability Companies C-Corporations S-Corporations

Reviews

5.0

Peer Rating

9 Reviews

5

4

3

2

1

Reviewed by

Aug 10, 2026

Hi, In order to help improve my reputation and attract more business, I am wondering if you could leave a peer review for me. Please include your first and last name and how we know each other. Please note, you need to have a Law, CPA, or EA license in order to leave a peer review. Thank you so much, Peter Salinger

Reviewed by

Sep 26, 2025

Hi, In order to help improve my reputation and attract more business, I am wondering if you could leave a peer review for me. Please include your first and last name and how we know each other. Please note, you need to have a Law, CPA, or EA license in order to leave a peer review. Thank you so much, Peter Salinger

5.0

Customer Rating

39 Reviews

5

4

3

2

1

View All Reviews

Reviewed by Annonymous

Advised on Tax Refund, Tax Penalties, Other Levies, Tax Return Mistake, Tax Lien | Oct 20, 2026

Peter was wonderful to work with and truly went the extra mile to help resolve a very complex tax matter. He was incredibly knowledgeable, responsive, patient, and thorough throughout the entire process. What impressed me most was that he caught issues and details that I had not even identified initially and made sure nothing was overlooked. He stayed on top of every piece of the matter and saw it through to resolution. I really appreciated his diligence, expertise, and willingness to dig into a difficult situation until everything was properly handled. I would absolutely recommend Peter to anyone dealing with a complicated IRS issue.