Accounting Darien, IL

21st State CPA LLC proudly offers expert accounting, bookkeeping, payroll, and tax services to Darien, IL and surrounding Chicagoland communities. Our team provides tailored solutions for individuals, small businesses, and corporations—delivering clarity, compliance, and financial confidence. Request a consultation with our licensed CPAs today.

Transparent Fees

Clear, upfront pricing with no surprises

Easy Scheduling

Book a consultation online or by phone in minutes

Local Specialists

Chicago-area accountants with decades of experience

Streamline your finances and achieve peace of mind with comprehensive accounting services in Darien, IL from 21st State CPA LLC. Our dedicated team delivers accurate bookkeeping, meticulous account management, and reliable financial reporting, helping Darien businesses and individuals make informed decisions every step of the way. Whether you’re launching a new venture or managing an established company, our CPAs ensure your records are complete, compliant, and ready for tax time.

Our bookkeeping services include managing accounts payable, accounts receivable, bank reconciliations, expense tracking, and more. We tailor our approach to suit your operations—offering full-service support or working alongside your in-house staff as needed. For business owners in Darien, accurate books mean fewer surprises and greater control over cash flow.


Payroll Services in Darien, IL

Take the stress out of payroll with our prompt, accurate payroll processing for Darien-area employers. 21st State CPA LLC handles paycheck calculations, direct deposit, federal and state tax filings, and year-end tax forms. We work with both startups and established businesses, ensuring that your team is paid correctly and on time, every time. Our systems stay current with changing payroll laws in Illinois, so you avoid costly fines and stay focused on growth.


Tax Preparation & IRS Representation in Darien, IL

Simplify tax season with personal and corporate tax preparation from expert CPAs serving Darien, IL. We identify all available deductions and credits, minimize liabilities, and help prevent audits. If you receive an IRS notice or face a tax audit, our team provides skilled IRS representation and letter resolution—defending your interests and achieving the best possible outcomes. We make tax compliance easy and stress-free for residents and businesses alike.


Corporate Accounting & Advisory in Darien, IL

For Darien businesses seeking strategic growth, 21st State CPA LLC offers corporate accounting, financial consultation, and management advisory services. Rely on us for budgeting, forecasting, and financial analysis that strengthen your competitive edge. Our experts help with entity selection, IRS compliance, accounting system setup, and year-round support—so you’re ready to seize every opportunity in Darien’s dynamic market.


Contact Your Darien Accounting Experts

From businesses on Cass Avenue to residents near Waterfall Glen, 21st State CPA LLC is dedicated to your success. Visit our office at 1431 Opus Place, Suite 110, Downers Grove, IL or contact us at (312) 574-0085 or yaser@21statecpa.com to schedule your consultation. Discover why Darien clients trust us for proactive, results-driven accounting and tax solutions.

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Leading Certified Public Accountants Serving Downers Grove & Greater Chicago

Our Services

Accounting

Take control of your finances with expert accounting services tailored for your business. We provide...

Corporate Accounting

Gain clarity and control over your business finances with our expert corporate accounting services. ...

Bookkeeping

Keep your business finances organized and accurate with our comprehensive bookkeeping services. We m...

Accounts Payable

Streamline your business with reliable Accounts Payable services that boost accuracy, control costs,...

Accounts Receivable

Maximize your cash flow and reduce payment delays with our expert accounts receivable services tailo...

Payroll

Take the stress out of payroll with fast, accurate, and compliant payroll services from our trusted ...

IRS Representation

Secure peace of mind with our dedicated IRS Representation services. We stand between you and the IR...

Tax Preparation

Maximize your refund and guarantee compliance with professional tax preparation services from local ...

Tax Audit

Confidently navigate IRS or state tax audits with professional representation. Our experienced CPAs ...

IRS Letter Resolution

Take the stress out of IRS letters—get expert guidance and responsive solutions from trusted tax pro...
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Years of Experience

Who We Are

About 21st State CPA LLC

21st State CPA LLC has provided expert accounting and tax solutions to businesses and individuals across the greater Chicago region for years. Our dedicated team blends industry expertise with a client-centered approach, ensuring your finances are in trusted hands every step of the way.
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21st State CPA LLC

Take control of your finances. Call 21st State CPA LLC now for a complimentary, no-obligation consultation.

Contact Us Today!

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21st State CPA LLC
Take control of your finances. Call 21st State CPA LLC now for a complimentary, no-obligation consultation.

Monday – Friday: 8:00 AM – 6:00 PM
Saturday & Sunday: Closed

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