Georgia requires domestic and foreign business entities to keep a registered office and registered agent on the public record. For a Georgia LLC, O.C.G.A. Section 14-11-209 requires a registered office in the state and a registered agent for service of process. The registered agent's business office address must match the registered office address, so this is not a throwaway mailing field on the formation form.
The registered office should be a real Georgia street address where service of process can be delivered to the agent. Georgia's registered-office rule does not treat a plain post office box, mail drop, or rural route as enough unless it is paired with the exact physical location where the registered agent can personally be served. That is why a cheap mailbox product is not the same thing as a Georgia registered agent service.
A Georgia registered agent can be an individual resident of Georgia, a domestic corporation or LLC, or a foreign corporation or foreign LLC authorized to transact business in Georgia. The Secretary of State also explains the role in plain terms: the registered agent is the official recipient for service of process, documents, and other official communications. An entity should not treat itself as its own agent; the agent is the person or service designated to receive notices on the entity's behalf.
The Georgia trap many new LLC owners miss is the annual registration window. Georgia entities must file annual registration each calendar year, generally between January 1 and April 1. The registered agent and registered office are part of the state record, so a stale agent address, missed annual registration, or ignored notice can become a compliance problem even when the business itself is active and operating.