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South Dakota Banking Guide

Best Banks for Small Businesses in South Dakota

South Dakota's incredibly business-friendly environment — no personal income tax, no corporate income tax, and favorable banking laws — makes it one of the best states in the country for small businesses. Whether you're running a nonprofit in Sioux Falls, a ranch in the Black Hills, or a tourism business near Mount Rushmore, choosing the right bank account matters.

Updated 2026-03-18 | 8 banks compared

Quick Comparison

Comparison of business bank accounts in South Dakota
Bank Type Monthly Fee APY
Holdings Online $0 1.75%
First Dakota National Bank Business Checking* Regional $8waivable 0.00%
First PREMIER Bank Business Checking* Regional $10waivable 0.00%
FNBO Free Business Checking Regional $0 0.00%
U.S. Bank Silver Business Checking National $0 0.00%
Wells Fargo Initiate Business Checking National $15waivable 0.00%
CorTrust Bank Business Checking* Regional $8waivable 0.00%
Capital One Basic Business Checking National $15waivable 0.00%

Detailed Reviews

1

Holdings

Online | $0/mo | Online only

1.75% APY

Nonprofits and small businesses wanting zero fees and high APY

Key Features

  • Built specifically for nonprofits and small businesses
  • 1.75% APY on all balances — checking and savings
  • Unlimited transactions with no hidden fees
Monthly Fee$0
Min to Open$0
Free TxnsUnlimited
Cash DepositsFree via Allpoint ATMs

Pros

  • Truly $0 — no monthly fees, no minimums, no transaction fees
  • 1.75% APY is among the highest in online banking
  • Purpose-built for nonprofits with donation tracking and reporting tools

Cons

  • No physical branches — online/mobile only
  • Less name recognition than legacy institutions
2

First Dakota National Bank Business Checking

Regional | $8/mo | 25 branches

South Dakota businesses wanting local relationship banking with history

Key Features

  • South Dakota-headquartered bank since 1872
  • Dedicated small business banking team
  • Full commercial lending and treasury management
Monthly Fee$8
Min to Open$100
Free Txns200
Cash DepositsIncluded

Pros

  • Deep South Dakota roots — over 150 years in business
  • Strong commercial lending and ag banking
  • Dedicated business relationship managers

Cons

  • Monthly fee unless minimum balance maintained
  • Limited digital tools compared to national competitors
  • Branch network concentrated in eastern South Dakota
3

First PREMIER Bank Business Checking

Regional | $10/mo | 30 branches

Sioux Falls-area businesses needing full-service commercial banking

Key Features

  • Largest South Dakota-headquartered bank ($3.5B+ in assets)
  • Strong Sioux Falls presence with full commercial services
  • PREMIER Bankcard division is one of the largest credit card issuers
Monthly Fee$10
Min to Open$100
Free Txns250
Cash Deposits$5,000/month

Pros

  • Largest South Dakota bank with strong local reputation
  • Comprehensive commercial banking services
  • Strong business lending programs

Cons

  • Monthly fee unless minimum balance maintained
  • Credit card division is separate from business banking
  • Limited presence outside South Dakota
4

FNBO Free Business Checking

Regional | $0/mo | 10 branches

South Dakota businesses wanting free checking with regional branch access

Key Features

  • Free business checking with no minimum balance
  • Unlimited transactions with no per-item fees
  • Branches in South Dakota, Nebraska, and surrounding states
Monthly Fee$0
Min to Open$0
Free TxnsUnlimited
Cash DepositsIncluded

Pros

  • Truly free — no monthly fees, no minimum balance
  • Unlimited transactions
  • Strong regional bank with $30B+ in assets

Cons

  • Limited South Dakota branch network compared to local banks
  • No interest on business checking
  • Headquartered in Omaha, not South Dakota
5

U.S. Bank Silver Business Checking

National | $0/mo | 30 branches

South Dakota businesses wanting a national bank with no monthly fee

Key Features

  • No monthly maintenance fee
  • 125 free transactions per cycle
  • Strong South Dakota branch presence
Monthly Fee$0
Min to Open$100
Free Txns125
Cash Deposits$2,500/month

Pros

  • No monthly maintenance fee
  • Good South Dakota branch coverage
  • Strong business lending and SBA programs

Cons

  • Only 125 free transactions per cycle
  • $2,500 cash deposit limit before fees
  • No interest on business checking
6

Wells Fargo Initiate Business Checking

National | $15/mo | 20 branches

South Dakota businesses wanting a national bank with extensive services

Key Features

  • Branch presence across South Dakota
  • Low $25 minimum opening deposit
  • Business Online banking with Zelle
Monthly Fee$15
Min to Open$25
Free Txns100
Cash Deposits$5,000/month

Pros

  • Strong South Dakota branch presence
  • Very low $25 minimum to open
  • Strong digital banking platform

Cons

  • $15/month fee unless balance requirements met
  • Only 100 free transactions per cycle
  • Reputation concerns from past scandals
7

CorTrust Bank Business Checking

Regional | $8/mo | 20 branches

Rural South Dakota businesses and agricultural operations

Key Features

  • South Dakota community bank with strong rural presence
  • Agricultural lending expertise
  • Personal relationship-driven banking
Monthly Fee$8
Min to Open$100
Free Txns200
Cash DepositsIncluded

Pros

  • Strong presence in rural South Dakota communities
  • Excellent agricultural lending programs
  • Personalized service with local decision-making

Cons

  • Monthly fee unless minimum balance maintained
  • Smaller and less tech-forward than national competitors
  • Limited digital banking features
8

Capital One Basic Business Checking

National | $15/mo | Online only

Digital-first businesses with occasional cash deposit needs

Key Features

  • Unlimited fee-free digital transactions
  • $5,000/month free cash deposits
  • Cash deposits at select Allpoint ATMs
Monthly Fee$15
Min to Open$0
Free TxnsUnlimited
Cash Deposits$5,000/month

Pros

  • Unlimited digital transactions (no per-transaction fees)
  • Strong mobile and online banking
  • $5,000 free cash deposits monthly

Cons

  • No Capital One branch locations in South Dakota
  • $15/month unless $2,000 balance maintained
  • Limited in-person support

South Dakota Banking Landscape

108

FDIC-Insured Institutions

3+

Major Regional Banks

3+

Major Credit Unions

Top Regional Banks

  • First PREMIER Bank — $3.5B
  • First Dakota National Bank — $2.8B
  • Great Plains Bank — $1.2B

Top Credit Unions

  • Sioux Falls Federal Credit Union — 25,000+ members
  • Black Hills Federal Credit Union — 80,000+ members
  • Dakotaland Federal Credit Union — 30,000+ members

State Banking Programs

  • South Dakota Small Business Development Center (SBDC) — free counseling and training
  • Governor's Office of Economic Development (GOED) — tax incentives and workforce programs
  • South Dakota REDI Fund — revolving economic development loans
  • SBA South Dakota District Office — government-backed loan programs

Regulator: South Dakota Division of Banking

Starting a Business in South Dakota

Secretary of StateSouth Dakota Secretary of State
LLC Fee$150
Corp Fee$150
Income TaxNo personal income tax. No corporate income tax.
Sales Tax4.5% state + up to 2% local (6.5% max combined)
Franchise TaxNone

Business Incentives

  • No personal income tax — significant advantage for business owners
  • No corporate income tax — profits stay in the business
  • No personal property tax on business assets
  • Revolving Economic Development Initiative (REDI) Fund — low-interest loans
  • South Dakota Small Business Development Center — free consulting

Nonprofit Banking in South Dakota

Registration

File Articles of Incorporation (nonprofit) with South Dakota Secretary of State

Charitable Solicitation

South Dakota does not require charitable solicitation registration.

Tax Exemption

South Dakota has no income tax, so no state income tax exemption is needed. Nonprofits may apply for state sales tax exemption through the Department of Revenue.

AG Reporting

Annual report to South Dakota Secretary of State required. Due by the first day of the anniversary month of incorporation.

Resources

Best Bank for South Dakota Nonprofits

Holdings offers /bin/sh fees, 1.75% APY, and tools built for 501(c)(3) organizations.

Learn more →

Find Fee-Free ATMs in South Dakota

Holdings cardholders get free access to 55,000+ Allpoint ATMs nationwide, including locations throughout South Dakota.

Find ATMs near you →

Frequently Asked Questions

What is the best bank for a small business in South Dakota?

The best bank depends on your needs. For nonprofits and small orgs wanting zero fees, Holdings offers $0 monthly fees with 1.75% APY. For businesses needing branch access, First Dakota National Bank and First PREMIER Bank both have strong South Dakota networks. For free checking with a national bank, FNBO offers a strong option.

Can I open a business bank account online in South Dakota?

Yes. Several banks allow online account opening for South Dakota businesses, including Holdings (fully online, no branch visit required), FNBO, Chase, and Capital One. Local banks like First Dakota National and CorTrust Bank typically prefer an in-person visit.

What do I need to open a business bank account in South Dakota?

You'll typically need your EIN (Employer Identification Number), Articles of Organization filed with the South Dakota Secretary of State, a government-issued photo ID, and your business license. Some banks also require an initial deposit.

Does South Dakota have a state income tax?

No. South Dakota has no personal income tax and no corporate income tax, making it one of the most business-friendly states in the country. The state relies on a 4.5% sales tax (plus local additions) for revenue.

What are the cheapest business checking accounts in South Dakota?

Holdings offers completely free business checking with no monthly fees, no minimum balance, and no transaction limits. FNBO also offers free business checking with no minimum balance and unlimited transactions. U.S. Bank's Silver Business Checking has no monthly fee with 125 free transactions.

Do South Dakota nonprofits need a special bank account?

While not legally required, a dedicated nonprofit bank account helps with IRS compliance, transparency, and donor confidence. Holdings specializes in nonprofit banking with $0 fees, 1.75% APY, and tools built specifically for 501(c)(3) organizations.

Why are so many banks headquartered in South Dakota?

South Dakota's favorable banking laws — including no cap on interest rates (usury laws repealed in 1980), no corporate income tax, and a business-friendly regulatory environment — attracted major financial institutions like Citibank and Wells Fargo to charter banks in the state.

Ready to open a business bank account?

Holdings offers free banking with 1.75% APY for South Dakota businesses and nonprofits.