Illinois · Accounting Firms
Illinois Accounting Firms
Premier accounting firms across America — serving clients in Illinois. Chicago anchors Illinois's deep bench of CPAs serving manufacturing, logistics, professional services, and finance.
About Illinois
Accounting Firms in Illinois
Chicago anchors Illinois's deep bench of CPAs serving manufacturing, logistics, professional services, and finance.
Illinois is home to a growing community of accounting professionals who serve businesses, families, and high-net-worth individuals across the region. Whether you're looking for tax preparation, monthly bookkeeping, or strategic CFO-level guidance, the right firms in Illinois can save you time, reduce risk, and uncover opportunities most owners miss.
Discover full-service accounting firms ranging from boutique practices to national networks, organized by city, specialty, and industry.
Illinois tax climate
The local tax environment
State tax overview
Illinois has a flat 4.95% personal income tax and a 9.5% combined corporate income tax (including the personal property replacement tax). Chicago adds local employer-side payroll considerations. The state's PTET election is commonly used for partnerships and S-corps.
Tax rates and rules change frequently. Verify current figures with a licensed professional before acting.
What this means for you
- A local firms understands Illinois-specific filing requirements.
- Multi-state nexus and remote-worker rules vary — ask about your exposure.
- Entity election and pass-through tax options are state-specific.
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Verified firms serving Illinois
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Industries served
Illinois firms work across Illinois's economy
Map
Accounting Firms on the map
Browse firms in and around Illinois.
Reviews
What clients say about Illinois firms
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FAQ
Accounting Firms in Illinois
How do I choose the right accounting firm?
Match firm size and specialty to your business stage, industry, and complexity. Most firms offer a discovery call so both sides can confirm fit.
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