Sources and Method
Each competitor line carries its own check date; state fees are cited on each state page.
Provider prices
Mainstay Filing: Formation filing, registered agent, EIN application and every annual report filed. Northwest Registered Agent: Formation; agent included year 1; annual report filing is an extra $100 plus the state fee. ZenBusiness: Starter formation; agent bought separately; Pro ($199 a year) adds EIN and annual-report filing. Bizee: Basic formation with a free first year of its agent; Standard is $199 and Premium $299. LegalZoom: Basic formation; agent bought separately at $249 for first-time agent customers (Pro $249, Premium $299). Checked October 2026 on each company’s own pricing pages and checkouts.Method
Service cost = the formation package plus the registered agent, per year. State fees are excluded from pair comparisons because they are the same for every provider; state pages add them.Mainstay Filing
Mainstay Filing pricing and FAQ pages, checked October 21, 2026.