Best LLC Filing › Best for › Lowest three-year cost
Lowest three-year cost: Northwest Registered Agent (2026)
Northwest Registered Agent is lowest three-year cost among the five services we compare ($289 over 3 years). Mainstay Filing remains the best overall pick at $199 a year.
- Prices verified October 2026
Why Northwest Registered Agent
A $39 package with the agent included the first year, then a $125 agent, adds up to the smallest service total over three years. $39 plus the state fee, with its registered agent service included the first year, then $125 a year; annual report filing is an extra $100 plus the state fee.
Mainstay Filing
Our rating: 4.9 out of 5
$199 / year, all-in
- LLC formation, prepared and filed
- Registered agent, all year
- EIN application (with an SSN or ITIN)
- Annual report filed every year it is due where the state requires one
- Compliance reminders and stored documents
Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.
All five on this measure
| Service | 3-year total |
|---|---|
| Mainstay Filing | $597 |
| Northwest Registered Agent | $289 |
| ZenBusiness | $497 |
| Bizee | $298 |
| LegalZoom | $747 |
Sources
- Provider pages, October 2026 (see sources and method), checked October 21, 2026