Best Banks for Small Businesses in Illinois
But Illinois businesses face unique challenges: high property taxes, complex city/county licensing, and a competitive market that demands efficiency. The right bank saves you money and time. We compared 8 options for Illinois businesses on what actually matters — fees, APY, features, and whether they help you run your business or just hold your money.
Updated March 18, 2026 · 8 banks compared
Looking for a nationwide comparison? See our national ranking of the best banks for small business.
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% |
Business banking in Illinois
Illinois' 1.2 million small businesses anchor the Midwest economy, with Chicago serving as the commercial hub for a six-state region. The state offers a flat 4.95% income tax (lower than many coastal states) and a deep bench of banking institutions — from the big nationals to strong regionals like Wintrust and First Midwest.
Still paying monthly bank fees?
1,000+ organizations stopped. Here’s what they got:
- ✓$0 monthly fees—actually $0, not "waivable"^
- ✓1.75% Annual Percentage Yield (APY)† on every dollar
- ✓Full accounting for $25/mo — auto-reconciles your banking & invoicing (vs. QuickBooks)
- ✓Switch in ~30 minutes. Run both banks in parallel.
*Holdings is a financial technology company, not a bank. Banking services provided by i3 Bank, Member FDIC. ^No account or domestic transaction fees. \u2020Annual Percentage Yield (APY) is variable and subject to change. Deposits insured up to $3M through i3 Bank and program banks.
Detailed Reviews
Holdings
Online | $0/mo | Online only
Businesses wanting free banking + optional accounting from $25/mo
Key Features
- •Free: 62 free tools + $0 banking + 1.75% APY
- •Software ($25/mo): Full double-entry accounting, invoicing, P&L reports
- •Nonprofits: fund accounting at $25/mo + free verified profile & directory listing
Pros
- ✓$0 banking — no monthly fees, no minimums, no transaction fees
- ✓1.75% APY on every dollar — among the highest in business banking
- ✓62 free tools: invoices, estimates, payroll calculator, receipt scanner
- ✓Full accounting from $25/mo replaces QuickBooks
- ✓Free verified nonprofit profile + directory listing for 501(c)(3)s
Cons
- ✗No physical branches
- ✗Less name recognition than legacy banks
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
Why businesses switch to Holdings:
- ✓$0 monthly fees — not "waivable," just zero
- ✓1.75% APY on every dollar — no minimum balance tricks
- ✓Accounting from $25/mo built in — stop paying for QuickBooks
- ✓FDIC insured up to $3M — not just $250K
- ✓Open in 10 minutes, fully online
Thinking about switching banks?
Get the free switching checklist — every step, nothing forgotten.
Free PDF — no spam, unsubscribe anytime.
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.
What is the best online bank for Illinois businesses?
For Illinois businesses comfortable banking online, Holdings offers $0 fees, 1.75% APY, and 62 free tools. Alliant Credit Union, also Illinois-chartered, offers high-yield savings at 2.10% APY. Both are strong online-first options.
How do I switch business banks in Illinois?
Most businesses can switch banks in under 30 minutes. Open your new account, redirect deposits, update automatic payments, and run both accounts in parallel for 30–60 days. Holdings offers a free switching guide with a step-by-step checklist.
Can I get free accounting with my Illinois business bank account?
Holdings includes full accounting in its Software plan ($25/mo) — smart categorization, reconciliation, and financial reports — with free banking (no fees, 1.75% APY) underneath. No other Illinois business bank bundles accounting with banking at this level.
What's the best bank for Chicago small businesses?
For branch access in Chicago, Chase dominates with 300 Illinois branches — it's their home market. Wintrust (170 locations) is the largest Illinois-headquartered bank. For zero fees and highest APY, Holdings offers $0 fees with 1.75% APY without requiring branches.
What's the best bank for Illinois nonprofits?
Holdings specializes in nonprofit banking with $0 fees, 1.75% APY, and tools built for 501(c)(3) organizations. For nonprofits wanting branch access in Chicago, Wintrust and BMO both offer strong community banking with dedicated nonprofit services.
More than a bank account — your whole back office
Free business checking with 1.75% APY, unlimited invoicing, and 62+ free tools for Illinois businesses and nonprofits. Add full accounting ($25/mo) when you want your books to run themselves.
Not switching banks today? Use a free tool now
Built by Holdings \u2014 the banking + accounting platform that keeps businesses and nonprofits audit-ready. Free forever, no account needed. Connect banking and let your books run themselves when you\u2019re ready.
Explore More
Best Banks for Small Business (National)
All Comparisons
Best Banks in Indiana
Best Banks in Wisconsin
Best Banks in Iowa
Best Banks in Missouri
Banking by Org Type
Free Business Checking
Free Business Banking
Zero-fee checking with 1.75% APY, FDIC insured to $3M.
Bookkeeping That Runs Itself
Professional bookkeepers manage your books monthly.
Small Business Financing Guide
Calculate Your Savings
See how much you could save by switching to Holdings.