Local Accounting Services in Illinois
Get help with your business finances in Illinois from qualified CPAs and tax professionals. Our accounting services cover taxes, bookkeeping, payroll, and more.
Local Tax Expertise
Ongoing Bookkeeping
Payroll Support
Year-Round Advisory
Local Tax Expertise
Ongoing Bookkeeping

Year-Round Advisory
Payroll Support

Illinois Corporate Tax Rates and Brackets
| Corporate Tax Rate | Corporate Tax Bracket |
|---|---|
| 9.5% | $0 |
LLC Renewal Dates and Fees in Illinois
| How Often Do You Renew Your LLC? | LLC Formation Filing Fee | LLC Yearly/Biennial Filing Fee |
|---|---|---|
| Annually | $150 | $75 |
When Do You Have to File Business Tax Returns in Illinois?
| Partnerships Due Date - Annual Returns | C-Corp Tax Due Date - Annual Returns | S-Corp Tax Due Date - Annual Returns |
|---|---|---|
| March 15, or same as federal return | April 15, or same as federal return | March 15, or same as federal return |
Single Filers - Illinois Tax Rates and Brackets
| Single Filer Rates | Single Filer Brackets |
|---|---|
| 4.95% | $0 |
Married Filing Jointly - Illinois Tax Rates and Brackets
| Married Filing Jointly Rates | Married Filing Jointly Brackets |
|---|---|
| 4.95% | $0 |
Single Filers - Illinois Exemptions and Deductions
| Standard Deduction (Single) | Personal Exemption (Single) |
|---|---|
| n.a. | $2,775 |
Married Filing Jointly - Illinois Exemptions and Deductions
| Standard Deduction (Couple) | Personal Exemption (Couple) |
|---|---|
| n.a. | $5,550 |

Good accountants answer questions. Great ones prevent them.
See the difference proactive accounting makes when you're not scrambling for answers at tax time.
What to Look for in Illinois Accounting and Bookkeeping Services
Business Tax Preparation +
Get your taxes expertly prepared and filed by a CPA experienced in your industry so you always feel secure about your business tax situation. Our CPAs, with more than 17 years of experience on average, can save your business thousands annually when you entrust the complexities of Illinois tax preparation to them!
Bookkeeping +
Strengthen your financial foundation and manage cash flow with meticulous, error-free bookkeeping done for you. This detailed approach saves time and provides critical data-driven business insights. It offers the best tools for interpreting data with easy-to-understand reporting, enabling your accountant to develop essential financial models.
Tax Advisory +
Business tax considerations don't end in April. Through our affordable tax advisory service, you can receive the guidance you need when you need it year-round from a dedicated small business CPA. Strategic planning helps minimize your business tax liability in Illinois throughout the year while ensuring compliance.
Payroll +
Save numerous hours each pay period with our comprehensive payroll service handled for you with regular tax submissions to the state of Illinois, ensuring accuracy and allowing you to focus on other vital areas of your business.
Business Formation +
Experience the benefits of officially establishing your business in Illinois with our complimentary incorporation service. You only cover the state fees, and we manage the rest. This puts you on a path to hire employees, open a business bank account, and enjoy an optimized business tax structure and maximum tax savings.
Choosing the Right Accountant
When selecting an accountant or bookkeeper for your Illinois small business, you should consider these factors:
Expertise in Illinois Tax Laws
Look for a professional well-versed in Illinois-specific tax regulations, such as state income tax, sales tax, and property taxes, to ensure compliance and maximize tax savings.
Familiarity with Local Business Incentives
Choose an accountant who is knowledgeable about Illinois economic development programs, such as the EDGE (Economic Development for a Growing Economy) Tax Credit, which can offer significant benefits for your business.
Experience with Diverse Industries
Given Illinois' diverse economy, including manufacturing, agriculture, and financial services, consider an accountant with experience across these sectors who can provide tailored financial strategies.
Understanding of Chicago's Business Landscape
If your business operates in or near Chicago, opt for a professional who understands the unique economic and regulatory environment of the city, including local tax ordinances and business licenses.
Capability to Manage Multi-State Operations
If your business operates across state lines, particularly those in the Chicago area that might regularly conduct business in Indiana and Wisconsin, ensure your accountant can effectively handle multi-state taxation and regulatory compliance.
