Nebraska business filings require a registered agent and registered office so service of process and state communications have a reliable recipient. The Secretary of State's registered agent resources explain that a registered office is part of the public entity record and that changes should be filed with the state rather than handled only as a private mailing-address update.
For a Nebraska owner, the important distinction is legal notice handling versus ordinary mail. A registered agent should be reachable at the listed Nebraska office for service of process. A mailbox or informal forwarding setup may help with business mail, but it is not the same as a dependable registered-agent workflow.
Nebraska also matters because many searchers are not only forming a new LLC; they are comparing whether to appoint themselves, use a local Nebraska service, or use a national provider that can support other states later. That makes notice speed, address privacy, cancellation path, and renewal pricing more important than a one-year discount alone.
If you switch Nebraska registered agents, keep the old agent active until the state record shows the new appointment. Letting coverage lapse creates a bigger problem than paying for a few overlapping days, because the registered agent is the legal contact point for formal notices.