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Adele K. Peterson, CPA

"Precision Accounting. Trusted Results."

About Us

At Adele K. Peterson, CPA, we believe that financial clarity is the foundation for success. Since opening our doors in 2017, our mission has been simple: to provide individuals and businesses with expert accounting services that go beyond the numbers.

Located in Antioch, IL, and proudly serving Lake, McHenry, Cook, DuPage, and Kane counties in Illinois and Kenosha, Racine, and Walworth Counties in Wisconsin, we’ve built a reputation for precision, professionalism, and personalized care. Whether you’re a small business owner seeking reliable bookkeeping or an individual navigating complex tax returns, we’re here to make the process seamless and stress-free.

Our comprehensive services include audits, bookkeeping, business accounting, compilations, payroll, reviews, and tax preparation. But what truly sets us apart is our commitment to understanding your unique goals and crafting strategies that help you achieve them.

At Adele K. Peterson, CPA, we’re more than accountants—we’re your trusted financial partners. Let us help you plan, grow, and succeed with confidence.


Areas Served

McHenry County, IL | Lake County, IL | Antioch, IL | Richmond, IL | Spring Grove, IL | Wilmot, WI | Twin Lakes, IL | Cook County, IL | Kenosha, WI | DuPage County, IL | Kane County, IL | Kenosha County, WI | Racine County, WI | Walworth County, WI

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What We Offer

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Testimonials

On 2/5/2025 Margaret Fox had this to say:
Awesome CPA knows her stuff helped me tremendously. Thank you.!!!


Contact Us

Adele K. Peterson, CPA
777 Tiffany Farms Rd Antioch, IL 60002
Phone: (847) 395-1128
Fax: (847) 395-9077
Email: adele@adelepetersoncpa.com

Look out for the grey-sided house with a blue minivan in the driveaway!

Where To Find Us

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Payment Types Accepted

Personal Checks, ACH

Our Hours

Monday: 10:00 AM - 6:00 PM
Tuesday: 10:00 AM - 6:00 PM
Wednesday: 10:00 AM - 6:00 PM
Thursday: 10:00 AM - 6:00 PM
Friday: 10:00 AM - 6:00 PM
Saturday: 1:00 PM - 5:00 PM


News

❓ FAQ: What do I need to prepare for tax season?
Getting organized early makes all the difference.
Here’s what to gather:
📄 All income statements
📄 Records of deductions
📁 Any relevant financial documents
Our team will walk you through each step to ensure a seamless, stress-free filing experience. At Adele K. Peterson, CPA, we’re here to make tax season easier — and more efficient — than ever.

🧾✨ Tax Season Made Simple ✨🧾
Tax season doesn’t have to be stressful. At Adele K. Peterson, CPA, we make the process smooth, accurate, and tailored to your unique financial situation.
Our tax preparation services help you:
✔ Maximize deductions
✔ Stay compliant
✔ Avoid costly mistakes
✔ File confidently and on time
Whether you’re an individual or a business owner, our team brings the expertise and attention to detail you deserve. Let us handle the numbers so you can focus on what matters most.
Book your tax appointment today — spots fill quickly this time of year.

✨ New Year, New Hours at Adele K. Peterson, CPA! ✨
We’re committed to serving you with convenience and care — and that starts with expanded availability.
📅 January Hours:
Monday–Friday: 10 AM – 6 PM
📅 Starting February:
We’re adding Saturdays!
Saturday: 1 PM – 5 PM
Whether you need help with bookkeeping, tax prep, or business accounting, our team is here to support your financial success.
Let’s make 2026 your most organized year yet.


Info

Client Portal
2025 CPA Peer Review

FAQ

What Attestation services do you offer?
- Audit: Ensure transparency and accuracy in your finances with our comprehensive audit services, providing the highest level of assurance.

- Review: Our review services enhance the credibility of your financial statements through careful evaluation, offering a limited but reliable assurance.

- Compilations: Organize your financial data into clear, compiled financial statements that offer a straightforward view of your financial performance.

What Business Accounting services do you offer?
- Write Up / Bookkeeping: Keep your finances organized and clear with our bookkeeping services, providing the foundation for your business's financial success.

- Payroll: Professional payroll management ensures your business is staying compliant with Payroll Tax Return filings and the latest regulations.
What Tax Preparation services do you offer?
- Individuals including sole proprietorships: Maximize deductions and achieve compliance with ease using our thorough tax preparation services, ensuring stress‑free filing.

- C Corporations and S Corporations: Maximize deductions and ensure compliance with business‑specific tax filing requirements.

- Partnerships: Comprehensive support to manage partnership tax filings with accuracy and efficiency.

- Limited Liability Companies: Navigate LLC tax obligations with confidence through our preparation services.

- Nonprofits: Maintain compliance and accuracy for nonprofit tax filings with our specialized guidance.

- Trusts: Ensure proper reporting and compliance for trust tax returns with attentive and attentive preparation.

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