Best Banks for Small Businesses in Illinois
Illinois is a business powerhouse — home to Chicago's massive financial sector, a diverse manufacturing base, and a thriving startup ecosystem. Whether you're running a nonprofit on the South Side, a restaurant in the suburbs, or a tech company in the Loop, choosing the right bank account matters.
Updated 2026-03-18 | 8 banks compared
Quick Comparison
| Bank | Type | Monthly Fee | APY |
|---|---|---|---|
| Holdings | Online | $0 | 1.75% |
| Chase Business Complete Banking | National | $15waivable | 0.00% |
| Wintrust Business Checking | Regional | $0 | 0.00% |
| BMO Business Checking* | National | $10waivable | 0.00% |
| Bank of America Business Advantage Fundamentals | National | $16waivable | 0.00% |
| Alliant Credit Union Business Checking* | Credit Union | $0 | 0.25% |
| Fifth Third Bank Business Checking* | Regional | $15waivable | 0.00% |
| Capital One Basic Business Checking | National | $15waivable | 0.00% |
Detailed Reviews
Holdings
Online | $0/mo | Online only
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
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
Chase Business Complete Banking
National | $15/mo | 300 branches
Established businesses needing full-service branch banking and merchant services
Key Features
- •Built-in payment acceptance via Chase QuickAccept
- •Integrated invoicing and cash flow tools
- •Same-day deposits with QuickAccept
Pros
- ✓Massive branch and ATM network — Illinois is Chase's home market
- ✓Excellent mobile app and digital tools
- ✓Integrated payment acceptance and invoicing
Cons
- ✗$15/month fee unless $2,000 balance maintained
- ✗Only 100 free transactions per cycle
- ✗No interest earned on business checking
Wintrust Business Checking
Regional | $0/mo | 170 branches
Illinois small businesses with moderate transaction volumes
Key Features
- •Illinois-headquartered bank with 170+ community bank locations
- •No monthly fee or minimum balance for low-transaction accounts
- •Dedicated community business bankers
Pros
- ✓No monthly fee for accounts with under 75 transactions
- ✓Largest Illinois-headquartered bank holding company
- ✓Deep Chicago and suburban Illinois roots — true community banking
Cons
- ✗$20/month fee kicks in at 76+ transactions if $1,500 balance not maintained
- ✗$0.40 per item over 150 transactions
- ✗Limited presence outside Illinois
BMO Business Checking
National | $10/mo | 150 branches
Midwest businesses wanting a bank with deep Illinois roots and national reach
Key Features
- •Strong Midwest presence — BMO Tower is a Chicago landmark
- •200 free transactions per cycle
- •Digital and mobile banking with Zelle integration
Pros
- ✓Major Illinois/Chicago presence — historic Midwest bank
- ✓200 free transactions per cycle
- ✓Strong business lending and commercial banking
Cons
- ✗Higher minimum balance to waive fee ($5,000)
- ✗Monthly fee if balance not maintained
- ✗Digital tools improving but still behind Chase
Bank of America Business Advantage Fundamentals
National | $16/mo | 120 branches
Businesses that qualify for Preferred Rewards tier benefits
Key Features
- •200 free transactions per statement cycle
- •No monthly fee for first 12 statement cycles
- •Preferred Rewards for Business program for rate discounts
Pros
- ✓200 free transactions (more than Chase)
- ✓First year free (no monthly fee for 12 cycles)
- ✓Strong integration with Zelle and digital payment tools
Cons
- ✗$16/month fee after first year
- ✗Higher minimum balance to waive fees permanently
- ✗Not as many Illinois branches as Chase or Wintrust
Alliant Credit Union Business Checking
Credit Union | $0/mo | 1 branches
Illinois businesses wanting high yields and no fees from a credit union
Key Features
- •Illinois-chartered credit union available nationwide
- •High-yield savings rates
- •No monthly fees on checking
Pros
- ✓No monthly fees
- ✓Higher-than-average APY on savings
- ✓Illinois-chartered but available nationwide
Cons
- ✗Essentially online-only (one physical location)
- ✗Must qualify for membership
- ✗Limited business-specific features
Fifth Third Bank Business Checking
Regional | $15/mo | 80 branches
Growing businesses needing a full-service regional bank
Key Features
- •Regional Midwest bank with strong Illinois presence
- •Fifth Third Momentum Banking for startups
- •Integrated merchant services
Pros
- ✓Strong Midwest regional presence
- ✓Good business lending options
- ✓Momentum Banking program for startups
Cons
- ✗$15/month fee unless $2,500 maintained
- ✗Fewer branches than Chase in Illinois
- ✗Digital experience not best-in-class
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
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 Illinois
- ✗$15/month unless $2,000 balance maintained
- ✗Limited in-person support
Illinois Banking Landscape
765
FDIC-Insured Institutions
3+
Major Regional Banks
3+
Major Credit Unions
Top Regional Banks
- Wintrust Financial — $60B+
- BMO Financial Group (US operations) — $275B+
- Old Second Bancorp — $6B+
Top Credit Unions
- Alliant Credit Union — 800,000+ members
- Baxter Credit Union — 180,000+ members
- Illinois Credit Union — 50,000+ members
State Banking Programs
- •Illinois Small Business Development Center (SBDC) — free counseling and training
- •Illinois Department of Commerce and Economic Opportunity (DCEO) — Advantage Illinois
- •Illinois Finance Authority — small business loan programs
- •SBA Illinois District Office — government-backed loan programs
Regulator: Illinois Department of Financial and Professional Regulation (IDFPR)
Starting a Business in Illinois
| Secretary of State | Illinois Secretary of State |
| LLC Fee | $150 (Articles of Organization filing fee) |
| Corp Fee | $150 (Articles of Incorporation filing fee) |
| Income Tax | Flat 4.95% personal income tax. Corporate income tax: 9.5% (7% income + 2.5% replacement tax). |
| Sales Tax | 6.25% state + up to 4.75% local (11% max combined in some areas) |
| Franchise Tax | LLCs exempt. Corporations: 0.1% of paid-in capital (first $100,000 exempt; $25 minimum) — being phased out |
Business Incentives
- •Advantage Illinois — loan participation and venture capital programs
- •Enterprise Zone Program — tax incentives for businesses in designated zones
- •Illinois Angel Investment Tax Credit
- •Small Business Development Center network — free consulting
- •High Impact Business Program — tax credits for major investments
Nonprofit Banking in Illinois
Registration
File Articles of Incorporation (nonprofit) with Illinois Secretary of State. Filing fee: $50.
Charitable Solicitation
Register with the Illinois Attorney General's office before soliciting. File Annual Financial Report (Form AG990-IL).
Tax Exemption
Apply to Illinois Department of Revenue for sales tax exemption (Form STAX-1). Illinois recognizes federal 501(c)(3) status for income tax purposes.
AG Reporting
Annual financial report (AG990-IL) to Illinois Attorney General. Due within 6 months of fiscal year end.
Resources
- Forefront (Illinois nonprofit alliance) →
- Illinois Attorney General — Charitable Trust →
- Illinois Secretary of State — Nonprofit Filing →
Best Bank for Illinois Nonprofits
Holdings offers /bin/sh fees, 1.75% APY, and tools built for 501(c)(3) organizations.
Learn more →Find Fee-Free ATMs in Illinois
Holdings cardholders get free access to 55,000+ Allpoint ATMs nationwide, including locations throughout Illinois.
Find ATMs near you →Frequently Asked Questions
What is the best bank for a small business in Illinois?
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, Wintrust and BMO have strong Illinois presence. For the lowest-cost option with high APY, Bluevine offers free checking with up to 1.30% APY.
Can I open a business bank account online in Illinois?
Yes. Several banks allow online account opening for Illinois businesses, including Holdings (fully online, no branch visit required), Chase, Bank of America, Bluevine, and Capital One. Credit unions like Alliant typically offer online applications as well.
What do I need to open a business bank account in Illinois?
You'll typically need your EIN (Employer Identification Number), Articles of Organization filed with the Illinois Secretary of State, a government-issued photo ID, and your business license. Some banks also require an initial deposit.
Are credit unions better than banks for small businesses in Illinois?
Credit unions often offer lower fees and better rates, but may have fewer branches. Illinois credit unions like Alliant Credit Union (available nationwide) and Illinois Credit Union offer competitive rates and lower fees, while national banks offer broader ATM networks and more advanced business tools.
What are the cheapest business checking accounts in Illinois?
Holdings offers completely free business checking with no monthly fees, no minimum balance, and no transaction limits. Wintrust also offers no-fee business checking for accounts under 75 transactions. Among national banks, Chase and BMO offer fee waivers with minimum balances.
Do Illinois 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.
What taxes do small businesses pay in Illinois?
Illinois has a flat personal income tax of 4.95% and a corporate income tax of 9.5% (7% income tax + 2.5% replacement tax). LLCs are generally exempt from franchise tax. Sales tax is 6.25% state plus local rates.
Ready to open a business bank account?
Holdings offers free banking with 1.75% APY for Illinois businesses and nonprofits.