Sources and Method
Each figure carries its source and check date. Mainstay Filing is the best overall pick; it is named, never linked, like every other service.
Three-year total
Service and registered agent charges for years 1 to 3 + the state filing fee + state report fees due after year 1 (annual states: two; two-year states: one; 6 states: none). Per-year prices: Mainstay Filing $199 / $199 / $199; Northwest Registered Agent $39 / $125 / $125; ZenBusiness $99 / $199 / $199; Bizee $0 / $149 / $149; LegalZoom $249 / $249 / $249.Provider prices
Read from each company’s own pages and checkout screens, checked October 2026. Mainstay Filing: Mainstay Filing pricing page (October 21, 2026); Mainstay Filing FAQ (October 21, 2026); Mainstay Filing registered agent page and Florida checkout (October 20, 2026).State fees
Filing and report fees come from each state’s statutes, fee schedules and forms, re-read from official pages in October 2026. Citations are on each state page. Other state taxes (for example California’s minimum LLC tax) are listed on state pages but not added to the totals.