Is it cheaper to form an LLC in Rhode Island or South Dakota?

Formation fees are identical: $150 in both states. The year-over-year cost is where they differ. Rhode Island runs $550 per year after formation, South Dakota runs $155.

Can I form an LLC in Rhode Island if I live in South Dakota?

Yes, but your South Dakota business will almost certainly need to register as a foreign LLC in South Dakota too, which means paying South Dakota's foreign registration fee and any ongoing South Dakota obligations on top of the Rhode Island ones. The "form elsewhere to save" math usually doesn't work for operating businesses; it only works when you have no physical operations tied to any specific state.

How long does it take to form an LLC in Rhode Island vs South Dakota?

Rhode Island online: 2 business days; South Dakota online: 1 business day. Rhode Island does not offer paid expedite. South Dakota offers paid expedite from $50.

Which state has lower taxes for an LLC, Rhode Island or South Dakota?

Rhode Island: state income tax applies to member-level pass-through income, plus a $400 minimum entity-level tax. South Dakota: no state income tax, no entity-level franchise or LLC tax.

Do both states require a registered agent?

Yes. Every US state (and DC) requires every LLC to maintain a registered agent with a physical street address in the state. Rhode Island and South Dakota both have this requirement. You can serve as your own agent if you live in the state; most out-of-state filers use a commercial agent for $50 to $125 per year.

Which state should I pick if I run an online business from home?

Form in the state you actually live in. Your home state's Department of Revenue treats your residence as nexus regardless of where the LLC is filed, which means you owe state income tax there anyway. Forming in Rhode Island or South Dakota to escape your home state's tax doesn't work; it adds paperwork. The non-resident filings make sense when you genuinely operate nowhere in particular: international founders, purely passive holding entities, or real-estate LLCs owning property in other states.

Rhode Island vs South Dakota LLC comparison

Rhode Island charges $150 to form an LLC; South Dakota charges $150. Day-one sticker price is only part of the story, since most of the real cost comes from the annual obligations that stack up each year you keep the LLC open.

Over a rolling three-year window, South Dakota runs about $1,185 less in total state fees than Rhode Island. Whether that gap matters depends on whether you actually operate in one of these states or are weighing a non-resident filing.

Rhode Island imposes an entity-level annual tax on every LLC ($400 minimum). South Dakota does not. For pass-through LLCs that would otherwise owe nothing at the state level, that minimum is the deciding line.

On speed, South Dakota typically clears standard online filings faster than Rhode Island. Both states offer expedited tiers at an additional cost for filers on tight timelines.

For most small operators the choice is not really between these two states at all. It is between forming where the business actually operates and trying to route through a non-resident filing. The data below shows what each option actually costs.

Formation filing fee

Rhode Island $150

South Dakota $150

Tied

Year 1 total estimate

Rhode Island $700

South Dakota $305

South Dakota saves $395

Ongoing per year

Rhode Island $550

South Dakota $155

South Dakota saves $395

3-year total

Rhode Island $1,800

South Dakota $615

South Dakota saves $1,185

Key differences at a glance

South Dakota is $395 per year cheaper to maintain ($155 vs $550).
South Dakota has no state individual income tax; pass-through LLC income flows to members without a state layer. The other state does tax at the member level.
Rhode Island imposes an entity-level franchise or LLC tax that applies to pass-through LLCs. South Dakota does not.

Where each state fits

For most filers, forming in the state you actually operate from is the right call. The side-by-side below shows where the two states meaningfully diverge.

What each state offers that the other does not

Only South Dakota

Paid expedited tier
No state income tax
No entity-level franchise or LLC tax

Both states

Online filing
No publication requirement
Operating agreement not statutorily required

Three-year cost, side by side

Rough estimate of the state-facing cost to form and keep an LLC through three years. Both totals include a $100 per year registered-agent estimate.

Rhode Island South Dakota

Year 1

$700

$305

Year 2

$1,250

$460

Year 3

$1,800

$615

Running total includes the one-time filing fee and annual ongoing costs (report fee or franchise tax plus a $100/year registered agent estimate).

What it costs under your specific situation

The table below runs the same LLC through four common scenarios. "Non-resident" rows assume a typical home-state foreign LLC registration adds about $200 per year of stacked cost; the real number depends on which state you live in and ranges from $50 to over $800 depending on jurisdiction.

Scenario	Year 1	Each year after	3-year total
You live in Rhode Island, business operates there No foreign LLC registration needed. You pay Rhode Island fees only.	$700	$550	$1,800
You live in South Dakota, business operates there No foreign LLC registration needed. You pay South Dakota fees only.	$305	$155	$615
Non-resident forming in Rhode Island with operations elsewhere You pay Rhode Island's fees plus a typical home-state foreign LLC registration of about $200 per year.	$900	$750	$2,400
Non-resident forming in South Dakota with operations elsewhere You pay South Dakota's fees plus a typical home-state foreign LLC registration of about $200 per year.	$505	$355	$1,215

Rhode Island vs South Dakota: full comparison

Dimension	Rhode Island	South Dakota
Online filing Can you file the formation document online?	Yes	Yes
Online approval time Standard, non-expedited	2 business days	1 business day
Expedited option Paid fast-track filing	Not offered	$50
Annual report Required in addition to tax	Required, $50	Required, $55
State-imposed annual tax Franchise, privilege, or LLC tax minimum	$400 minimum	None
State income tax On pass-through LLC income at member level	Yes	No
Publication requirement Newspaper publication after formation	No	No
Operating agreement Required by state statute	Recommended, not required	Recommended, not required
Foreign LLC fee Cost to register as a foreign LLC in this state	$150	$750
State sales tax General statewide rate	7.0%	4.2%

Taxes in Rhode Island and South Dakota

How each state handles entity-level tax on LLCs. Pass-through classification means member-level income tax also applies at each member's residence state.

Rhode Island tax

$400 minimum annual tax (flat basis). State income tax applies to member-level pass-through income. Corporate rate 7.0%.

South Dakota tax

No entity-level franchise tax on LLCs. No state income tax.

Ongoing compliance

The recurring filings each state requires after formation.

Rhode Island

Annual report $50, due 05/01 each year. Registered agent required in Rhode Island.

South Dakota

Annual report $55, due on your anniversary month. Registered agent required in South Dakota.

Formation process, side by side

What actually happens from the moment you start filing to the moment you're in good standing. Use this as a checklist.

Rhode Island

Check business-name availability on the Rhode Island entity search.
Appoint a registered agent with a physical Rhode Island street address.
File Articles of Organization (Form 400) for $150.
Wait for approval. Online typically 2 business days. No paid expedite offered.
Adopt an operating agreement (recommended, not required by Rhode Island statute).
Apply for a federal EIN (free from the IRS).
Open a business bank account to separate personal and business finances.
File your first annual report and pay $50 when it comes due.

South Dakota

Check business-name availability on the South Dakota entity search.
Appoint a registered agent with a physical South Dakota street address.
File Articles of Organization (Domestic Limited Liability Company) for $150.
Wait for approval. Online typically 1 business days. Paid expedite from $50.
Adopt an operating agreement (recommended, not required by South Dakota statute).
Apply for a federal EIN (free from the IRS).
Open a business bank account to separate personal and business finances.
File your first annual report and pay $55 when it comes due.

Before you pick either state

A few things that apply no matter which state you choose. These trip up enough first-time filers that they're worth stating explicitly.

Registered agent is non-negotiable. Both Rhode Island and South Dakota (and every other US state) require every LLC to designate a registered agent with a physical street address in the state of formation. You can serve as your own agent if you live in the state; otherwise a commercial agent runs $50 to $125 per year. Using your own home address makes it part of the public record.

Forming elsewhere does not escape your home state's tax. If you live and operate a business from your home state, forming the LLC in Rhode Island or South Dakota does not avoid your home state's income tax. The moment you transact business at home, your home state requires a foreign LLC registration, and state tax liability follows your residence regardless of where the entity sits on paper.

EIN applications are free. The IRS issues Employer Identification Numbers directly at no cost. Any service charging you to "get your EIN" is reselling a free form submission. Single-member LLCs with no employees technically don't need one for federal tax, but nearly every bank requires an EIN to open a business account.

Operating agreement matters more than the state you pick. A well-drafted operating agreement governs member ownership, management, profit splits, buy-sell terms, and dissolution. Without one, your LLC runs on the state's default rules, which are rarely what you want. California, Maine, Missouri, and New York require a written one by statute; every other state treats it as strongly recommended.

Agency contacts

Rhode Island Department of State, Business Services Division

Website: www.sos.ri.gov/divisions/business-services
Phone: (401) 222-3040
Email: corporations@sos.ri.gov
Mail: 148 W. River Street, Providence, RI 02904-2615
Hours: 8:30 AM to 4:30 PM Eastern, Monday to Friday

South Dakota Secretary of State - Business Services

Website: sdsos.gov
Phone: (605) 773-4845
Email: corpinfo@state.sd.us
Mail: Capitol Building, 500 East Capitol Avenue, Suite 204, Pierre, SD 57501-5070
Office: 215 E. Prospect Avenue, Pierre, SD 57501
Hours: 8:00 AM to 5:00 PM Central, Monday to Friday

Rhode Island Division of Taxation

Website: tax.ri.gov
Phone: (401) 574-8829
Email: Tax.Corporate@tax.ri.gov
Mail: One Capitol Hill, Providence, RI 02908
Hours: 8:30 AM to 3:30 PM Eastern, Monday to Friday

South Dakota Department of Revenue

Website: dor.sd.gov
Phone: (605) 773-3311
Mail: 445 E Capitol Avenue, Pierre, SD 57501
Hours: 8:00 AM to 5:00 PM Central, Monday to Friday

Frequently Asked Questions

Is it cheaper to form an LLC in Rhode Island or South Dakota?

Formation fees are identical: $150 in both states. The year-over-year cost is where they differ. Rhode Island runs $550 per year after formation, South Dakota runs $155.
Can I form an LLC in Rhode Island if I live in South Dakota?

Yes, but your South Dakota business will almost certainly need to register as a foreign LLC in South Dakota too, which means paying South Dakota's foreign registration fee and any ongoing South Dakota obligations on top of the Rhode Island ones. The "form elsewhere to save" math usually doesn't work for operating businesses; it only works when you have no physical operations tied to any specific state.
How long does it take to form an LLC in Rhode Island vs South Dakota?

Rhode Island online: 2 business days; South Dakota online: 1 business day. Rhode Island does not offer paid expedite. South Dakota offers paid expedite from $50.
Which state has lower taxes for an LLC, Rhode Island or South Dakota?

Rhode Island: state income tax applies to member-level pass-through income, plus a $400 minimum entity-level tax. South Dakota: no state income tax, no entity-level franchise or LLC tax.
Do both states require a registered agent?

Yes. Every US state (and DC) requires every LLC to maintain a registered agent with a physical street address in the state. Rhode Island and South Dakota both have this requirement. You can serve as your own agent if you live in the state; most out-of-state filers use a commercial agent for $50 to $125 per year.
Which state should I pick if I run an online business from home?

Form in the state you actually live in. Your home state's Department of Revenue treats your residence as nexus regardless of where the LLC is filed, which means you owe state income tax there anyway. Forming in Rhode Island or South Dakota to escape your home state's tax doesn't work; it adds paperwork. The non-resident filings make sense when you genuinely operate nowhere in particular: international founders, purely passive holding entities, or real-estate LLCs owning property in other states.

Full state guides

Rhode IslandOpen Rhode Island LLC guide →
South DakotaOpen South Dakota LLC guide →

More Rhode Island and South Dakota comparisons

More Rhode Island vs ...

More South Dakota vs ...

Sources

Filing fee: www.sos.ri.gov/divisions/business-services/ri-business/start-your-rhod… · verified April 21, 2026
RI Department of State, Start Your Rhode Island Business page. Business Structure table lists Limited Liability Company (R.I. Gen. Laws Chapter 7-16) filing fee at $150 (paper or online). Online filings add a $6 enhanced access fee for a total of $156.
Filing fee: docs.sos.ri.gov/documents/BusinessServices/400-articles-of-organizatio… · verified April 21, 2026
RI Form 400 Articles of Organization for a Domestic Limited Liability Company (Revised 03/2026). States Filing Fee: $150.00. Instructions cite Section 7-16-6 of the General Laws of Rhode Island.
Expedited filing: www.sos.ri.gov/divisions/business-services/ri-business/start-your-rhod… · verified April 21, 2026
Rhode Island does not publish a paid expedited service tier for LLC Articles of Organization. Standard online filings are generally processed within 1 to 3 business days; in-person submissions at 148 W. River Street can be processed same day. Recorded as offered: false.
Annual report fee: www.sos.ri.gov/divisions/business-services/ri-business/file-your-annua… · verified April 21, 2026
RI Department of State Annual Report page. LLCs file Form 632 between February 1 and May 1 each year (starting the year after registration). Base filing fee $50, plus $2.50 enhanced access fee if filed online. $25 late penalty applied June 1 (plus $3 online filing fee).
Franchise tax: www.sos.ri.gov/divisions/business-services/business-basics/costs-and-f… · verified April 21, 2026
RI Department of State Costs and Fees page confirms every Legal Business Entity (Corporation, LLC, Limited Partnership) owes a $400 minimum corporate tax annually to the RI Division of Taxation, regardless of whether business was conducted or profit was made, and the amount is not pro-rated.
Franchise tax: tax.ri.gov/tax-sections/corporate-tax/tax-filing-requirements · verified April 21, 2026
RI Division of Taxation Tax Filing Requirements. LLCs not treated as corporations federally (including single-member LLCs) file Form RI-1065 and owe the $400 minimum tax under R.I. Gen. Laws 44-11-2(e). LLCs taxed as C corporations owe the greater of $400 or 7% of apportioned net income.
Operating agreement requirement: webserver.rilegislature.gov/Statutes/TITLE7/7-16/7-16-2.HTM · verified April 21, 2026
R.I. Gen. Laws section 7-16-2 defines operating agreement as any agreement, written or oral, of the members. Rhode Island does not require LLCs to adopt a written operating agreement. Recorded as operatingAgreementRequired: false.
Foreign LLC registration fee: docs.sos.ri.gov/documents/BusinessServices/450-application-for-registr… · verified April 21, 2026
RI Form 450 Application for Registration of a Foreign Limited Liability Company. Filing fee $150. Requires a Certificate of Good Standing (dated within 60 days) from the home state.
Publication requirement: www.sos.ri.gov/divisions/business-services/ri-business/start-your-rhod… · verified April 21, 2026
Rhode Island does not require newspaper publication for LLC formation. Not addressed in R.I. Gen. Laws Chapter 7-16 or the Department of State start-a-business guide.
Business name search: business.sos.ri.gov/corpweb/corpsearch/corpsearch.aspx · verified April 21, 2026
RI Corporate Database entity search. Use to confirm name availability before filing Form 400.
Sales tax rate: tax.ri.gov/tax-sections/sales-excise-taxes/sales-use-tax · verified April 21, 2026
Rhode Island statewide sales and use tax is 7%. No local option; the 7% rate applies uniformly across the state.
Corporate income tax rate: tax.ri.gov/tax-sections/corporate-tax · verified April 21, 2026
Rhode Island C corporation income tax is a flat 7% of apportioned net income, with a $400 minimum. Rate has been 7% since January 1, 2015.
Filing fee: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
SD SoS filing fee schedule: Domestic LLC Articles of Organization filed electronically online is $150; filed via paper is $165 (includes the $15 paper filing fee). Online is the default; filingFee captures the online amount.
Expedited filing: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
SD SoS offers expedited processing for any filing at an additional $50 flat fee, defined as completion sooner than the normal course of business on request. Typical expedited turnaround is 24 hours.
Foreign LLC registration fee: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
Foreign LLC Certificate of Authority online filing fee is $750; paper is $765 (includes $15 paper filing fee). This is materially higher than the $150 domestic fee; South Dakota is one of the most expensive states for foreign LLC registration.
Operating agreement requirement: sdlegislature.gov/Statutes/47-34A · verified April 21, 2026
SDCL 47-34A (Uniform Limited Liability Company Act) defines an operating agreement under 47-34A-103 as any valid agreement, written or oral, governing relations among members, managers, and the LLC. The statute does not require the operating agreement to be in writing.
Publication requirement: sdlegislature.gov/Statutes/47-34A · verified April 21, 2026
SDCL 47-34A contains no newspaper publication requirement for LLC formation. Only NY, AZ, and NE require publication.
Annual report fee: sdsos.gov/general-information/filing-fees.aspx · verified April 21, 2026
SD SoS filing fee schedule: LLC Annual Report filed electronically online is $55; filed via paper is $70 (includes the $15 paper filing surcharge). Due first day of the anniversary month each year.
Franchise tax: dor.sd.gov/businesses/taxes/ · verified April 21, 2026
SD Department of Revenue confirms South Dakota does not impose a general corporate income tax or franchise tax. A narrow bank franchise tax applies only to financial institutions under SDCL 10-43.
Corporate income tax rate: dor.sd.gov/businesses/taxes/ · verified April 21, 2026
South Dakota has no corporate income tax. Field set to null.
Sales tax rate: dor.sd.gov/businesses/taxes/sales-use-tax/ · verified April 21, 2026
SD Department of Revenue: the state sales and use tax rate is 4.2%. Municipalities may impose up to 2% additional general sales tax.
Business name search: sosenterprise.sd.gov/BusinessServices/Business/FilingSearch.aspx · verified April 21, 2026
SD SoS Enterprise business information search. Use before filing Articles of Organization to confirm name availability.
Online filing portal: sosenterprise.sd.gov/BusinessServices/Business/RegistrationInstr.aspx · verified April 21, 2026
SD SoS Enterprise online business registration portal. Online LLC filings are typically approved immediately or within one business day; paper filings take about 3-5 business days plus mail transit.
Certificate of Formation form: sdsos.gov/docs/business/llc-domestic-articlesoforganization.pdf · verified April 21, 2026
Official Domestic LLC Articles of Organization fillable PDF published by the SD SoS, used for paper filings.

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