Massachusetts LLC vs Connecticut LLC (2026)
Compare Massachusetts LLC vs Connecticut LLC on filing fees, taxes, privacy laws, and annual costs. Find out which state is actually better for your business.
By Edmond Hui · Last updated: August 4, 2026
Verdict: Massachusetts wins for most businesses
For most Massachusetts-based businesses, forming locally in Massachusetts is the smarter choice. You avoid paying fees in two states and managing compliance in both. Connecticut only makes sense if your business genuinely operates there, and even then the total costs deserve a hard look.
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| Factor | Massachusetts | Connecticut |
|---|---|---|
| Filing Fee | $500 | $120 |
| Processing Time | Not published by the state | Not published by the state |
| Annual Report Fee | $500 | $80 |
| Annual Report Due | Anniversary date | March 31 |
| State Income Tax | Yes | Yes |
| Anonymous LLC | No | No |
| Publication Requirement | No | No |
| Foreign LLC Cost (if forming out-of-state) | N/A, you're in your home state | $500 + registered agent ~$150/yr |
Full fee breakdown for either state: Massachusetts LLC cost and Connecticut LLC cost.
Business Climate: Massachusetts vs Connecticut
| Factor | Massachusetts | Connecticut |
|---|---|---|
| 5-year business survival rate | 52.7% (#18 of 51) | 51.1% (#25 of 51) |
| Business application growth (2026 YTD (Jan to Jul) vs 2025 YTD (same months)) | +11.9% YoY (#21 of 51 by volume) | +15.6% YoY (#34 of 51 by volume) |
Sources: U.S. Bureau of Labor Statistics, Business Employment Dynamics · U.S. Census Bureau, Business Formation Statistics (BFS)
Compare LLC Costs: Massachusetts vs Connecticut
Massachusetts
Connecticut
Costs include every mandatory state charge: the filing fee, the report fee (annualised where a state files biennially), any state entity-level tax shown in its own row above, a one-time publication cost where a state requires publication, and any one-time registration charge a state requires before the LLC may trade. Annualising makes the 1, 3 and 5 year rows a cost of ownership rather than a payment schedule: a biennial state charges its whole report fee in the years it falls due and nothing in between. Entity-level taxes that only apply after a corporate election, or above an owner or income threshold, are excluded and flagged on the state's own cost page. New York's publication cost is carried at a $250 floor, roughly $200 of newspaper cost in a low-cost county plus the $50 Certificate of Publication fee. No county-clerk-designated New York City newspaper publishes a rate card, so the four-figure NYC estimates in wide circulation cannot be traced to a primary source and are not asserted here; budget for materially more than the floor if you file in a NYC county. Montana's annual report is free when filed by April 15 and $35 after, a waiver the Secretary of State applies at its discretion. Every fee was verified against the state's own fee schedule, statute, or revenue authority on 29 July 2026. Excludes registered agent and legal fees. For informational purposes only, not legal or tax advice.
Filing Fees & Formation Costs
Massachusetts charges $500 to form an LLC, while Connecticut charges $120. Connecticut is $380 cheaper upfront. The cost that usually gets overlooked: if you form in Connecticut but operate in Massachusetts, you must also register as a foreign LLC in Massachusetts (a $500 filing) and maintain a registered agent in Connecticut (typically around $150 per year). That puts the realistic first-year cost of the Connecticut route at roughly $770, versus $500 for simply forming in Massachusetts. Speed isn't a basis for choosing between them: neither Massachusetts nor Connecticut publishes a standard processing time, so any figure comparing the two is guesswork.
Taxes: Massachusetts vs Connecticut
Both Massachusetts and Connecticut levy a personal income tax on pass-through business income, and your LLC's profits will be taxed where you live and operate. Forming in Connecticut doesn't change what a Massachusetts-based owner pays. Massachusetts taxes wage and pass-through income at 5.0%, plus a 4% surtax on taxable income above the inflation-adjusted threshold ($1,107,750 for tax year 2026). No separate franchise or excise tax on LLCs taxed as partnerships/disregarded entities, but the mandatory $500 annual report fee is among the highest in the nation.
Privacy & Asset Protection
Neither Massachusetts nor Connecticut offers anonymous LLC formation: both states require owner or manager information on public filings. Connecticut's annual report discloses the LLC's members or managers, a public filing. Business owners who prioritize privacy typically form a holding company in a state like Wyoming or New Mexico instead. Both states provide charging-order protection for LLC members, and for most small businesses the practical difference in asset protection between the two is minimal.
Annual Maintenance Costs
Massachusetts LLCs file an annual report ($500, due in the anniversary month), and Connecticut LLCs file an annual report ($80, due March 31). If you form in Connecticut while operating in Massachusetts, you maintain filings in both states, Connecticut's report plus Massachusetts's equivalent for your foreign registration, and pay a Connecticut registered agent roughly $150 per year. That brings ongoing costs of the Connecticut route to roughly $730 per year, versus about $500 to keep a domestic Massachusetts LLC in good standing. One more recurring cost to budget for: No separate franchise or excise tax on LLCs taxed as partnerships/disregarded entities, but the mandatory $500 annual report fee is among the highest in the nation.
When Connecticut Actually Makes Sense
Forming in Connecticut makes sense in a few specific situations: your business genuinely operates in Connecticut, with a real office, employees, or property there, or you're relocating to Connecticut in the near future. For a typical small business based in Massachusetts, none of these usually apply. Registering a Connecticut LLC to do business back home means $500 in Massachusetts foreign-registration fees, on top of Connecticut's $120 formation fee, while Massachusetts's own annual report runs $520 a year and is due in the anniversary month. When in doubt, form where you actually do business.
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<iframe src="https://www.mystatellc.com/tools/compare-states?embed=1&stateA=MA&stateB=CT" width="100%" height="720" frameborder="0" style="border:0;max-width:900px;display:block;margin:0 auto;" title="Massachusetts vs Connecticut LLC Cost Comparison" loading="lazy"></iframe> <p style="text-align:center;font-size:.8125rem;color:#6b7280">Source: <a href="https://www.mystatellc.com/llc/compare/massachusetts-llc-vs-connecticut-llc">MyStateLLC, Massachusetts vs Connecticut LLC Comparison</a></p>