Registered Agent Reviewed › Reviews › Mainstay Filing
Is Mainstay Filing legit?
We cannot certify any company, including our pick. What Mainstay Filing publishes meets all five criteria: a price ($149 a year for registered agent only), a renewal price (the same), what it includes, and its price terms. It renews at $199 a year, with no rate that jumps at renewal and no new line items.
| Provider | Price published | Renewal price published | Price stays the same | Inclusions listed | Price terms spelled out | Review |
|---|---|---|---|---|---|---|
| Mainstay Filing | Yes | Yes | Yes | Yes | Yes | Review |
What its pages say
- $199 a year covers formation prepared and filed, the registered agent all year, the annual report prepared and filed, and the EIN application; the price is the same for every entity type and state.
- A registered agent alone, for a company that is already formed, is $149 a year. That plan does not include the annual report.
- Service of process is scanned and uploaded the same business day at no fee.
- The first three government mailings a year are scanned free; after that a per-piece fee applies.
- Tell Mainstay Filing before renewal and it will not renew. A filing already submitted that year cannot be refunded.
What it does not offer
It does not file DBAs and does not offer mail forwarding or a virtual office. The registered agent address is not a business mailing address and cannot stand in for one, for example for bank verification.
Mainstay Filing pricing, FAQ and services pages, read October 25, 2026.