Our 2026 national entries, ranked: Mainstay Filing ($149 a year), Texas Registered Agent.ai ($99 a year) and MO Registered Agent.org ($99 a year). Mainstay Filing opens the list, since a single $149 agent plan that goes wherever the company registers.
Each service price was taken from the company's own pages on November 12, 2026. State fees come on top and differ by state.
What the state adds
Across the 50 states, yearly state fees for an LLC range from $0 (10 states) to $810. Those fees are identical whichever service you hire; the 50-state table gives each one.
Why Mainstay Filing is first
Three-year service fees and the state paperwork a price covers carry the most weight. On a national list, coverage settles it: one pick works in every state at a single price. For companies in Texas or Missouri, Texas Registered Agent.ai and MO Registered Agent.org are the lower-cost route.
We would use Mainstay Filing, Texas Registered Agent.ai and MO Registered Agent.org, in that order.
How much does a registered agent cost?
The picks charge $99 to $149 a year.
How much do state fees vary?
Across the 50 states, yearly state fees for an LLC range from $0 (10 states) to $810.
Can one service cover every state?
Mainstay Filing works in all fifty states at one price; the two state services each cover one state.
Why are single-state services on a national list?
On price, in their home states they undercut the national pick. Texas Registered Agent.ai is our pick for Texas businesses; MO Registered Agent.org for Missouri businesses.