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

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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

38 Reviews

5

4

3

2

1

View All Reviews

Reviewed by Annonymous

Advised on Past Due Tax Return | Aug 7, 2026

He did a great job, much appreciative

Reviewed by Michael H

Advised on Unpaid Taxes, Tax Lien, Tax Penalties | Jul 18, 2026

Julie expertly handled all communications and negotiations with the IRS on my behalf. Her expert knowledge of the system resulted in a highly satisfactory resolution that reduced the total amount owed - I could never have accomplished that without her taking the lead. I would give her TEN STARS!