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Minimize Your Tax Burden. Maximize Your Success.

Simic Irwin CPA is a full-service accounting firm providing audit, tax, and advisory solutions to individuals, businesses, and organizations nationwide. From complex audits to forward-looking financial strategies, our team of professionals delivers the insight and accuracy you need to make confident decisions.

Simic Irwin CPA specializes in tax consulting, accounting, auditing and financial advisory services for individuals and businesses of all sizes, with offices in DuPage and Henry counties, and serving clients in all 50 states. Our competent, experienced staff strives to provide quality, individualized financial services to our varied clientele. Whether you need a simple tax return preparation, payroll services for your business, outsourced CFO services, or anything in between, we have the tools and the expertise to fit your needs. 

Taking Your Business to the Next Level

We Offer
Colleagues at Work

Audit and Assurance

We deliver thorough audit and assurance services - including audits, reviews, compilations, and

agreed-upon procedures - for corporate, governmental, pension plan, and non-profit organisations. Our seasoned professionals combine meticulous attention to detail with deep technical expertise, ensuring compliance and stakeholder confidence. You receive personalized service backed by the comprehensive capabilities typically found only at larger firms.

WE OFFER

Accounting and Payroll

Our full-service accounting solutions - including bookkeeping, payroll processing, estate planning, financial planning, business setup, and QuickBooks support - keep your operations efficient and

forward-focused. We partner with you to build lasting relationships grounded in transparency

and trust, providing clear financial insights that drive measurable

results and support sustainable growth.

Tax

Planning

From personal and business tax preparation to trust returns, strategic tax planning, and IRS/international representation, we bring decades of specialized experience to every engagement. Our team serves diverse clients - corporations, high-net-worth individuals, municipalities, school districts, and non-profits delivering customized tax strategies that minimize liability while

ensuring full regulatory compliance across all sectors.

Stay informed. Stay in control.

Use our Refund Tracker to check the status of your federal or state tax refund — fast, accurate, and secure. This demo tool is just one of the helpful resources we’ve built to make tax time easier for you.

Disclaimer:
For your convenience, this tool connects directly to official IRS and state tax websites. Simic Irwin CPA does not collect, store, or process any personal data entered on external platforms.

Need more details?

Every financial situation is unique. Browse our specialized services, from tax planning and IRS representation to audits, business consulting, and estate planning. To discover how Simic Irwin CPA creates customized solutions for your personal and business needs.

Simic Irwin CPA is a certified public accounting firm licensed to practice in all states. Professional services are provided in accordance with applicable state regulations and professional standards.

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Contact

Henry County Office
222 N Main, St Kewanee, IL 61443
309-852-5515


DuPage County Office
275 N Indiana St, Elmhurst, IL 60126
630-800-8885

Services

Business Tax Preparation Tax Planning
IRS Representation
Audits & Reviews
Business Consulting
Estate Planning
Financial Planning

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Ready to take control of your finances?

Let's talk.

Copyright © 2025 Simic Irwin CPA. All rights reserved.

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