I’m Mary K. Coughlin, founder of Marlin Tax Consulting LLC in Norcross, Georgia. I provide professional Notary Public services alongside practical tax support for individuals and businesses. My work is grounded in careful attention to detail, clear communication, and a commitment to helping clients handle important documents and financial matters with confidence.

In addition to notary services, my firm offers tax preparation, tax planning, and IRS representation. I also support clients in a retail setting, making it easier to access reliable assistance for both document-related needs and tax questions. Whether you need a notarization or help navigating a tax matter, I aim to provide friendly, organized, and dependable service.