Onyx Tax, LLC

Who sits at the desk.

For tax and accounting needs in Charleston, SC, Onyx Tax, LLC focuses on Business Tax, Local Service, and return preparation. The location is shown at 6 Gillon St #2, Charleston, SC 29401. Customer feedback averages 5.0 stars across 44 reviews. A phone number and website are available for current service, pricing, and scheduling questions.

Onyx Tax, LLC has a stated focus on Business Tax, Local Service, return preparation, bookkeeping questions, and business filing support as part of its tax and accounting work.

The relevant scope can depend on the requested service, location, timing, and the information supplied before an appointment or estimate. The street address shown for the business is 6 Gillon St #2, Charleston, SC 29401. An average rating of 5.0 is shown from 44 customer reviews. Direct contact is available by phone and through the company website. Review recent terms and contact information directly when timing, travel, documents, property access, or payment details matter. Before arranging service, ask which documents are required, whether business or personal returns are handled, how fees are explained, and how follow-up questions are handled. Legal, tax, or document decisions should be reviewed with a qualified professional who understands the specific matter. Clear written answers make it easier to compare the offering with the specific need.

The four things worth knowing.

Service delivery & credentials.

When the doors are open.

Hours typically extend during January–April filing season. Confirm appointment-only windows when scheduling.

In their own words.