Registered agent price index · Connecticut
3 Best Registered Agents in Connecticut (2026): Price Index
Index basis: Index of five columns: three-year cost (38%), coverage per dollar (32%), renewal step, crossover year and price transparency. Basis explained
Quick tally
The indexed ledger
1. Mainstay Filing: best for companies in several states
Index leaderMainstay Filing holds the first line: $149 a year here and wherever the company registers next.
CT Registered Agent.org saves $150 across three years and leaves more filings with you.
Line includes
- A real address in the state
- Three government mailings a year, scanned at no cost
- Serves nonprofits, corporations, LPs and LLPs along with LLCs
Credits
- $149, every year
- Goes wherever the company goes
Debits
- A yearly gap of $50
- Report filing requires the formation package
2. CT Registered Agent.org: best for companies with one state to cover
Local providerCT Registered Agent.org fills line 2: a single-state agent priced at $99 a year.
Line includes
- A local registered office
- Online copies of anything served
Credits
- $99 annually, no increase
- Undercuts Mainstay Filing per year
Debits
- Covers Connecticut only
- Annual report stays with you
3. Connecticut Registered Agent.co: best for keeping everything local
Local providerConnecticut Registered Agent.co fills line 3: a single-state agent priced at $99 a year.
Same year-one and renewal prices as CT Registered Agent.org.
Line includes
- A local registered office
- Online copies of anything served
Credits
- Undercuts Mainstay Filing per year
- $99 annually, no increase
Debits
- Covers Connecticut only
- Annual report stays with you
Subtotals after 1, 2, 3 and 5 years
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $149 | $298 | $447 | $745 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | CT Registered Agent.org | $99 | $198 | $297 | $495 | Visit CT Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Connecticut Registered Agent.co | $99 | $198 | $297 | $495 | Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy. |
Crossover check
The Connecticut fee schedule
| Entry | Amount | Cited from |
|---|---|---|
| Cost to form | $120 | business.ct.gov (read October 2026) per the state |
| Annual report | $80 every year | business.ct.gov (read October 2026) per the state |
| 3-year state cost | $280 | Filing + reports + any tax |
How the index came out
The deciding column for Connecticut was coverage per dollar (32% of the index), where Mainstay Filing led.
CT Registered Agent.org costs less here; fifty-state coverage carried more weight.
Official Connecticut registered agent requirements (Connecticut Secretary of State)
Every LLC must name a registered agent with an in-state street address.
A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment. Law: Conn. Gen. Stat. § 34-243n.
The address has to be a Connecticut street address that is not a P.O. box, plus a Connecticut mailing address, which can be a P.O. box.
Citation: cga.ct.gov (read October 2026) per the state
The no-service line
A qualifying owner can name themselves and pay no agent fee; the state's own charges stay the same. The service lines above bill $99 to $149 a year for a Connecticut address and someone to accept legal papers.
Common questions
How much does a Connecticut registered agent charge each year?
Our lines charge $99 to $149 per year.
What do three years of agent service cost?
$297 to $447 in service fees, state charges excluded.
Does Connecticut require a registered agent for every LLC?
Yes. Every LLC must name a registered agent with an in-state street address.
May I serve as my own registered agent?
Yes, as long as you meet the eligibility and address rules on this page.
What does the state collect from the LLC every year?
Annual report: $80 per year, due on or before March 31.
When does one line pass another in total cost?
The lines do not cross in the first ten years.
Which registered agent indexes best in Connecticut?
Mainstay Filing: line one on coverage per dollar. Then CT Registered Agent.org and Connecticut Registered Agent.co.
Source lines
- Connecticut Secretary of the State. Source business.ct.gov; confirmed August 2026.
- Connecticut Secretary of the State. Source business.ct.gov; confirmed August 2026.
- Connecticut yearly filing: Annual report. Source business.ct.gov; confirmed October 2026.
- Connecticut report due date. Source cga.ct.gov; confirmed August 2026.
- Connecticut formation fee: Filing fee. Source business.ct.gov; confirmed October 2026.
- Connecticut formation fee: Filing fee. Source business.ct.gov; confirmed October 2026.
- Price input, Mainstay Filing Connecticut service page, taken November 13, 2026
- Price input, CT Registered Agent.org pricing page, taken November 13, 2026
- Price input, Connecticut Registered Agent.co pricing page, taken November 13, 2026