Can Illinois attorneys practice law through an LLC?

Yes, Illinois attorneys can practice law through an LLC, but with important restrictions. Your LLC must comply with Illinois Rules of Professional Conduct, specifically Rule 5.4, which prohibits non-lawyers from owning or controlling the firm. You'll need to file your LLC Articles of Organization with the Illinois Secretary of State, paying a $150 filing fee, and file an annual report each anniversary month. Most critically, you must maintain an active Illinois Bar License issued by the Illinois Supreme Court Commission on Admissions. This licensing board regulates attorney conduct and requires proof of malpractice insurance coverage, typically $100,000 minimum per claim. The practical implication: while an LLC structure offers liability protection and potential tax benefits, you remain personally liable for professional negligence and ethics violations. Your license can be suspended or revoked regardless of your LLC status. Next step: consult with a business attorney or your state bar about malpractice insurance requirements before filing your LLC formation documents.

How does forming an LLC affect my malpractice insurance requirements?

Forming an LLC in Illinois doesn't eliminate your malpractice insurance obligation. You must maintain professional liability coverage as mandated by the Illinois Supreme Court Commission on Admissions. This requirement applies regardless of your business structure. However, the LLC provides a critical additional layer of protection by separating your personal assets from business liabilities, meaning malpractice claims typically target only LLC assets rather than your personal property. Practically speaking, this means you'll need both coverages: your mandatory Bar License professional liability insurance protects clients, while your LLC structure protects your personal wealth. Your malpractice policy premiums may slightly decrease since the LLC limits exposure, though many insurers require notification of your LLC formation (filed with Illinois at $150). Illinois requires your annual report in your LLC's anniversary month. Contact the Illinois Supreme Court Commission on Admissions immediately to confirm current malpractice insurance minimums, then notify your insurance carrier of your LLC structure to ensure continuous, compliant coverage.

Can I maintain IOLTA trust accounts with an LLC structure?

Yes, Illinois attorneys operating through an LLC can maintain IOLTA (Interest on Lawyer Trust Accounts) under the Illinois Supreme Court Commission on Admissions requirements. The LLC structure can simplify banking relationships while ensuring full compliance with trust account rules established by the Illinois State Bar. As an LLC owner-attorney in Illinois, maintaining IOLTA accounts is essential for client funds, and your LLC structure doesn't prevent this. It actually streamlines the process. Your bank will require documentation showing your Illinois Bar License and LLC formation papers (filed with the Secretary of State for the $150 filing fee). The practical benefit is that IOLTA accounts protect client money separately from your business operating account, reducing liability exposure and ensuring regulatory compliance. However, your LLC must still adhere to all trust accounting rules: segregating client funds, maintaining detailed records, and filing annual reports with the Commission on Admissions during your anniversary month. Next step: Contact your bank's business account department and provide your bar license number, LLC formation certificate, and written authorization from the Illinois Supreme Court Commission on Admissions to establish your IOLTA account.

What are the annual requirements for attorney LLCs in Illinois?

Illinois attorney LLCs must file an annual report during their anniversary month and maintain an active Illinois Bar License through the Illinois Supreme Court Commission on Admissions. The annual report filing fee is $75, separate from the initial $150 LLC formation fee. You must also maintain a registered agent with a physical Illinois address and comply with all Illinois Supreme Court professional conduct rules. For practicing attorneys, this means your LLC can't operate without current bar admission, the licensing board continuously monitors compliance with ethical standards, trust account requirements, and continuing legal education. Failure to maintain these requirements results in automatic LLC dissolution and loss of practice privileges. Additionally, the Illinois Supreme Court Commission on Admissions requires disclosure of all LLC ownership changes, so any partner additions or transfers must be reported promptly. Your next step is to confirm your bar license status and set a calendar reminder for your anniversary month filing deadline to avoid administrative suspension and penalties.

How does LLC taxation work for solo attorneys in Illinois?

Solo attorney LLCs in Illinois are taxed as sole proprietorships by default, with all practice income passing directly to your personal tax return. However, you can elect S-Corporation taxation by filing Form 2553 with the IRS, which may reduce self-employment taxes on your net practice income. For Illinois attorneys, this distinction matters significantly. While you'll pay the Illinois Secretary of State's $150 LLC filing fee and file annual reports in your anniversary month, your tax structure determines how much you owe in self-employment taxes on top of income tax. As a sole proprietor, you pay approximately 15.3% in self-employment taxes on net earnings. Electing S-Corp status allows you to pay yourself a reasonable salary and take remaining profits as distributions, potentially saving thousands annually on self-employment taxes. Remember, regardless of your LLC's tax classification, you must maintain active Illinois Bar License status through the Illinois Supreme Court Commission on Admissions to legally practice. Consult a CPA specializing in professional services to determine whether S-Corp election makes financial sense for your practice's income level.

Should I use my law firm LLC name on all professional communications?

Yes, you should use your LLC name consistently on letterhead, business cards, and client communications to maintain your liability protection. In Illinois, the Illinois Supreme Court Commission on Admissions requires that all attorney communications comply with professional responsibility rules under the Illinois Rules of Professional Conduct. Using your registered LLC name, the one you filed with the state for your $150 filing fee, demonstrates proper business structure to clients and courts. This practice protects your personal assets by showing you operate through a formal entity rather than as a sole practitioner. However, you must also display your individual bar license information and comply with advertising restrictions set by the Illinois Supreme Court. Your annual report, due each anniversary month, helps maintain your LLC's good standing, which supports your liability shield. As a practical matter, inconsistent naming between your LLC registration, bar admission records, and client communications can create confusion and potentially weaken your liability protection. Your next step is to file your LLC formation documents with the Illinois Secretary of State and ensure all professional materials reflect both your LLC name and your personal bar license credentials.

LLC Guide

Form an LLC for Your Illinois Law Practice

Protect your personal assets, optimize taxes, and streamline trust account management while maintaining professional compliance in Illinois. Year one in Illinois costs $225 in mandatory state charges, then $75 a year.

By Edmond Hui · Last updated: July 2026

Yes, forming an LLC is highly beneficial for attorneys in private practice in Illinois. See the full breakdown below.

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.

Read this guide for another state:

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Step diagram for forming a professional LLC for Attorneys in Private Practice in Illinois, showing each formation step and the Illinois Bar License (Bar Admission) the state requires first. — The formation steps for Attorneys in Private Practice in Illinois, plus whether Illinois requires a professional licence first. Source: Illinois Secretary of State.

Yes, forming an LLC is highly beneficial for attorneys in private practice in Illinois.

Beyond malpractice insurance, an LLC provides real liability protection for business debts and contracts while offering tax flexibility through pass-through taxation. Illinois attorneys can also benefit from enhanced credibility with clients and simplified business banking for IOLTA trust account management.

Illinois has 140,212 solo professional, scientific, and technical services businesses with no employees, averaging $53,211 in annual receipts. Most are unincorporated sole proprietors, and an LLC could give them liability protection. (Source: U.S. Census Bureau, Nonemployer Statistics (NES), 2023.)

Key Benefits of an LLC for Illinois

Business Liability Protection Beyond Malpractice

Shields personal assets from business debts, vendor claims, and lease obligations that malpractice insurance doesn't cover. Critical for attorneys who sign office leases or employ staff.

Tax Optimization for Legal Practice Income

Pass-through taxation allows legal fees to flow directly to your personal return, potentially reducing self-employment taxes through strategic profit distributions and salary allocations.

Professional IOLTA Trust Account Management

Simplifies banking relationships for client trust accounts while maintaining Illinois State Bar compliance. Banks often prefer working with formal business entities for trust account oversight.

Enhanced Client Credibility and Professional Image

Operating as Smith Law LLC rather than a sole proprietorship projects stability and professionalism, particularly important when competing for corporate clients or high-value cases.

Simplified Business Expense Tracking

Clear separation between personal and business expenses makes tax preparation easier and maximizes deductions for legal research tools, CLE courses, and professional development.

How to Form Your LLC

1
Choose Your Law Firm's LLC Name
Select a name ending in 'LLC' or 'Limited Liability Company' that complies with Illinois attorney advertising rules. Avoid misleading terms and ensure the name doesn't imply services you don't provide. Check availability on the Illinois Secretary of State website.
2
Designate a Registered Agent
Choose someone to receive legal documents at an Illinois address during business hours. Many attorneys serve as their own registered agent, but a professional service ensures privacy and reliable document receipt when you're in court.
3
File Articles of Organization
Submit Form LLC-5.5 to the Illinois Secretary of State with the $150 filing fee. Include your practice address, registered agent information, and specify if you'll have managers or member-managed structure. The Illinois Secretary of State publishes no standard processing time for this filing.
4
Create an Operating Agreement
Draft an operating agreement that addresses profit sharing, decision-making authority, and procedures for adding partners. Include provisions for client confidentiality and conflict of interest procedures required for legal practice.
5
Obtain Required Licenses and Set Up Banking
Ensure your Illinois attorney license covers LLC practice. Open separate business banking accounts, including IOLTA trust accounts if handling client funds. Obtain an EIN from the IRS for tax purposes and business banking requirements.

Tax Considerations

Self Employment Tax

Illinois attorney LLCs can elect S-Corp taxation to potentially reduce self-employment taxes by paying reasonable salaries and taking additional profits as distributions, which aren't subject to SE tax.

Deductions

Maximize deductions for malpractice insurance premiums, Illinois State Bar dues, CLE course fees, legal research subscriptions (Westlaw, LexisNexis), office rent, marketing expenses, client development costs, and retirement plan contributions for solo and small firm attorneys.

State Taxes

Illinois LLCs face an annual report fee of $75 and the personal property replacement income tax of 1.5% on net income, paid at the entity level. Illinois also has a flat 4.95% individual income tax that applies to pass-through earnings. Chicago businesses face additional city taxes. There's no franchise tax at the state level, but total tax burden for Illinois LLCs is above the national average.

Illinois Licensing Requirements for Attorneys

In Illinois, Attorneys are regulated by the Illinois Supreme Court Commission on Admissions. A Illinois Bar License (Bar Admission) is required to practice legally. Illinois attorneys may use a standard LLC to practice law without requiring a separate PLLC designation; however, all attorney-members must be licensed by the Illinois Supreme Court. The LLC entity itself isn't separately licensed as a law firm, but must comply with Illinois Rules of Professional Conduct on firm names and structure.

Regulated by: Illinois Supreme Court Commission on AdmissionsLicense: Illinois Bar License (Bar Admission)

Frequently Asked Questions

: Yes, Illinois attorneys can practice law through an LLC, but with important restrictions. Your LLC must comply with Illinois Rules of Professional Conduct, specifically Rule 5.4, which prohibits non-lawyers from owning or controlling the firm. You'll need to file your LLC Articles of Organization with the Illinois Secretary of State, paying a $150 filing fee, and file an annual report each anniversary month. Most critically, you must maintain an active Illinois Bar License issued by the Illinois Supreme Court Commission on Admissions. This licensing board regulates attorney conduct and requires proof of malpractice insurance coverage, typically $100,000 minimum per claim. The practical implication: while an LLC structure offers liability protection and potential tax benefits, you remain personally liable for professional negligence and ethics violations. Your license can be suspended or revoked regardless of your LLC status. Next step: consult with a business attorney or your state bar about malpractice insurance requirements before filing your LLC formation documents.
: Forming an LLC in Illinois doesn't eliminate your malpractice insurance obligation. You must maintain professional liability coverage as mandated by the Illinois Supreme Court Commission on Admissions. This requirement applies regardless of your business structure. However, the LLC provides a critical additional layer of protection by separating your personal assets from business liabilities, meaning malpractice claims typically target only LLC assets rather than your personal property. Practically speaking, this means you'll need both coverages: your mandatory Bar License professional liability insurance protects clients, while your LLC structure protects your personal wealth. Your malpractice policy premiums may slightly decrease since the LLC limits exposure, though many insurers require notification of your LLC formation (filed with Illinois at $150). Illinois requires your annual report in your LLC's anniversary month. Contact the Illinois Supreme Court Commission on Admissions immediately to confirm current malpractice insurance minimums, then notify your insurance carrier of your LLC structure to ensure continuous, compliant coverage.
: Yes, Illinois attorneys operating through an LLC can maintain IOLTA (Interest on Lawyer Trust Accounts) under the Illinois Supreme Court Commission on Admissions requirements. The LLC structure can simplify banking relationships while ensuring full compliance with trust account rules established by the Illinois State Bar. As an LLC owner-attorney in Illinois, maintaining IOLTA accounts is essential for client funds, and your LLC structure doesn't prevent this. It actually streamlines the process. Your bank will require documentation showing your Illinois Bar License and LLC formation papers (filed with the Secretary of State for the $150 filing fee). The practical benefit is that IOLTA accounts protect client money separately from your business operating account, reducing liability exposure and ensuring regulatory compliance. However, your LLC must still adhere to all trust accounting rules: segregating client funds, maintaining detailed records, and filing annual reports with the Commission on Admissions during your anniversary month. Next step: Contact your bank's business account department and provide your bar license number, LLC formation certificate, and written authorization from the Illinois Supreme Court Commission on Admissions to establish your IOLTA account.
: Illinois attorney LLCs must file an annual report during their anniversary month and maintain an active Illinois Bar License through the Illinois Supreme Court Commission on Admissions. The annual report filing fee is $75, separate from the initial $150 LLC formation fee. You must also maintain a registered agent with a physical Illinois address and comply with all Illinois Supreme Court professional conduct rules. For practicing attorneys, this means your LLC can't operate without current bar admission, the licensing board continuously monitors compliance with ethical standards, trust account requirements, and continuing legal education. Failure to maintain these requirements results in automatic LLC dissolution and loss of practice privileges. Additionally, the Illinois Supreme Court Commission on Admissions requires disclosure of all LLC ownership changes, so any partner additions or transfers must be reported promptly. Your next step is to confirm your bar license status and set a calendar reminder for your anniversary month filing deadline to avoid administrative suspension and penalties.
: Solo attorney LLCs in Illinois are taxed as sole proprietorships by default, with all practice income passing directly to your personal tax return. However, you can elect S-Corporation taxation by filing Form 2553 with the IRS, which may reduce self-employment taxes on your net practice income. For Illinois attorneys, this distinction matters significantly. While you'll pay the Illinois Secretary of State's $150 LLC filing fee and file annual reports in your anniversary month, your tax structure determines how much you owe in self-employment taxes on top of income tax. As a sole proprietor, you pay approximately 15.3% in self-employment taxes on net earnings. Electing S-Corp status allows you to pay yourself a reasonable salary and take remaining profits as distributions, potentially saving thousands annually on self-employment taxes. Remember, regardless of your LLC's tax classification, you must maintain active Illinois Bar License status through the Illinois Supreme Court Commission on Admissions to legally practice. Consult a CPA specializing in professional services to determine whether S-Corp election makes financial sense for your practice's income level.
: Yes, you should use your LLC name consistently on letterhead, business cards, and client communications to maintain your liability protection. In Illinois, the Illinois Supreme Court Commission on Admissions requires that all attorney communications comply with professional responsibility rules under the Illinois Rules of Professional Conduct. Using your registered LLC name, the one you filed with the state for your $150 filing fee, demonstrates proper business structure to clients and courts. This practice protects your personal assets by showing you operate through a formal entity rather than as a sole practitioner. However, you must also display your individual bar license information and comply with advertising restrictions set by the Illinois Supreme Court. Your annual report, due each anniversary month, helps maintain your LLC's good standing, which supports your liability shield. As a practical matter, inconsistent naming between your LLC registration, bar admission records, and client communications can create confusion and potentially weaken your liability protection. Your next step is to file your LLC formation documents with the Illinois Secretary of State and ensure all professional materials reflect both your LLC name and your personal bar license credentials.

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