State Comparison

Massachusetts LLC vs South Dakota LLC (2026)

Written for owners based in Massachusetts.

Verdict: for most owners, form where the business is based

South Dakota is $150 online to form and $55 a year, with a $15 paper surcharge at every stage that turns the same filings into $165 and $70 by mail. Its annual report deadline changes on January 1, 2027, when the fixed statutory date gives way to a choice between the anniversary month and January 31. Massachusetts surcharges in the opposite direction, $500 by mail against $520 online, then $520 each anniversary, $1,040 through year one. A Massachusetts owner also faces $500 to register a South Dakota LLC back into Massachusetts.

Based in South Dakota? Read South Dakota LLC vs Massachusetts LLC →

Compare Massachusetts LLC vs South Dakota 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: September 23, 2026

If your business is based in Massachusetts, a Massachusetts LLC needs no foreign registration there; a South Dakota LLC run from Massachusetts generally must also register in Massachusetts as a foreign LLC (Massachusetts's $500 filing fee). If your business is based in South Dakota, a South Dakota LLC needs no foreign registration there; a Massachusetts LLC run from South Dakota generally must also register in South Dakota as a foreign LLC (South Dakota's $750 filing fee). An LLC formed in one of these states and run from the other owes whatever filings, fees and taxes each state requires. A Massachusetts LLC runs $1040 in year one and $520/yr after; a South Dakota LLC runs $205 and $55/yr. See the full breakdown below.

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FactorMassachusettsSouth Dakota
Filing Fee$500 by mail, $520 online (mandatory $20 expedite fee)$150
Processing TimeNot published by the stateNot published by the state
Annual Report Fee$500 by mail, $520 online$55
Annual Report DueAnniversary dateAnniversary month
State Income TaxYesNo
Anonymous LLCNoNo
Publication RequirementNoNo
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 South Dakota LLC cost. Owner privacy options for either state: Massachusetts anonymous LLC guide and South Dakota anonymous LLC guide.

Business Climate: Massachusetts vs South Dakota

FactorMassachusettsSouth Dakota
5-year business survival rate52.7% (#18 of 51)52.7% (#19 of 51)
Business application growth (2026 YTD (Jan to Jul) vs 2025 YTD (same months))+11.9% YoY (#21 of 51 by volume)+15.4% YoY (#47 of 51 by volume)

Sources: U.S. Bureau of Labor Statistics, Business Employment Dynamics · U.S. Census Bureau, Business Formation Statistics (BFS)

See the full 50-state survival ranking.

Compare LLC Costs: Massachusetts vs South Dakota

MA

Massachusetts

Formation fee$520
Annual report fee$520
State entity taxNone
Report dueAnniversary date
Processing timeNot published by the state
Late penalty$0
SD

South Dakota

✓ Cheaper Upfront✓ Cheaper Long-Term
Formation fee$150
Annual report fee$55
State entity taxNone
Report dueAnniversary month
Processing timeNot published by the state
Late penalty$55
Total Cost
Massachusetts
South Dakota
1 Year
$1,040
$205
3 Years
$2,080
$315
5 Years
$3,120
$425

A figure shown as "from" is the least the state can charge, not a price. Tennessee's report is $300 for up to six members and $50 for each member above six, its franchise tax is the greater of $100 or 0.25% of Tennessee net worth, Wyoming's report is the greater of $60 or $.0002 per dollar of in-state assets, Kentucky's entity tax is $175 up to $3 million of gross receipts and graduated above it, and New York's annual filing fee is graduated on New York source gross income. A total that contains one of those is shown as "from" for the same reason. 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 the state publishes a rate for it, and any one-time registration charge a state requires before the LLC may trade. Two exclusions follow from that wording. Arizona and Nebraska require publication and publish no rate, so no newspaper cost is carried for either and their totals are not the whole cost. Alaska's $50 annual state business licence is a separate charge from the Secretary of State fees and is not carried here either. 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. 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 $520 to form an LLC, while South Dakota charges $150. South Dakota is $370 cheaper upfront. The cost that usually gets overlooked: if you form in South Dakota but operate in Massachusetts, you must also register as a foreign LLC in Massachusetts (a $500 filing) and maintain a registered agent in South Dakota (typically around $150 per year). That puts the realistic first-year cost of the South Dakota route at roughly $800, versus $520 for simply forming in Massachusetts. Speed isn't a basis for choosing between them: neither Massachusetts nor South Dakota publishes a standard processing time, so any figure comparing the two is guesswork.

Taxes: Massachusetts vs South Dakota

South Dakota has no personal income tax while Massachusetts does, but forming your LLC in South Dakota won't change that. LLC profits pass through to you and are taxed where you live and operate (in Massachusetts), not where the LLC is registered, so a South Dakota LLC offers no income-tax savings for a Massachusetts-based business. 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 South Dakota offers anonymous LLC formation: both states require owner or manager information on public filings. South Dakota's annual report confirms the LLC's ownership/management each year on the public record. 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 ($520, due in the anniversary month), and South Dakota LLCs file an annual report ($55, due in the anniversary month). If you form in South Dakota while operating in Massachusetts, you maintain filings in both states, South Dakota's report plus Massachusetts's equivalent for your foreign registration, and pay a South Dakota registered agent roughly $150 per year. Counting report fees, the agent and any entity-level tax, that brings the South Dakota route to roughly $725 a year, versus about $520 to keep a domestic Massachusetts LLC in good standing. The tax inside those totals: 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 South Dakota Actually Makes Sense

Forming in South Dakota makes sense in a few specific situations: your business genuinely operates in South Dakota, with a real office, employees, or property there, or you're relocating to South Dakota in the near future, which would also move you out of Massachusetts's personal income tax. For a typical small business based in Massachusetts, none of these usually apply. Registering a South Dakota LLC to do business back home means $500 in Massachusetts foreign-registration fees, on top of South Dakota's $150 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.

Frequently Asked Questions

Comparison chart of forming an LLC in Massachusetts versus South Dakota, contrasting filing fees, annual report cost and ongoing obligations across 8 factors.
Massachusetts and South Dakota side by side on the factors that decide where to form. Source: MyStateLLC 50-state cost dataset, verified against each Secretary of State's published fee schedule, July 2026.

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More State Comparisons

Massachusetts vs Tennessee →Massachusetts vs Texas →Massachusetts vs Utah →Massachusetts vs Delaware →South Dakota vs Delaware →
Massachusetts LLC Guide →South Dakota LLC Guide →
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Sources

Each entry below is a document recorded in our verified sources, and each entry says what the document is. Some statutory text is read from an accurate mirror rather than from the state's own host, and those say so.

Edmond Hui

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.