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Curt John Karas, CPA, MBA, PC

"Your Partner In Business And Accounting"

About Us

Curt John Karas, CPA, MBA, PC has been a trusted accounting partner in Sugar Grove, Illinois since 1993, proudly serving clients throughout Sugar Grove, Elburn, Hinckley, and Big Rock.
Built on a foundation of accuracy, transparency, and personalized service, our firm provides comprehensive tax preparation and tailored small business accounting solutions designed to meet your unique financial needs.
Our experienced team is dedicated to helping you achieve financial clarity and confidence, offering expert guidance and reliable support every step of the way.
For professional, dependable accounting services you can count on, contact Curt John Karas, CPA, MBA, PC in Sugar Grove—your partner in simplifying the financial journey.

Areas Served

Nationwide - North America

Our Professional Associations

Chamber of Commerce
Illinois CPA Society

Our Certifications

Illinois Certified Public Accountant
Masters Degree Business Administration
Licensed by Illinois Department of Insurance

What We Offer

Our Specialties include:

Yearly Tax Preparation
Full-Service Accounting
Investment Services

Our Services include:

New Business Startups: Starting a new business? We guide you through entity selection, registrations, and financial setup so you can launch with confidence and a solid foundation.
Software Training: Get the most out of your accounting software with personalized training designed to streamline your bookkeeping and improve accuracy.
Business and Individual Taxes: Comprehensive tax preparation for both individuals and businesses, ensuring compliance while maximizing deductions and savings.
Business Consulting: Strategic guidance to help your business grow, improve efficiency, and make informed financial decisions at every stage.
Full Payroll Services: End-to-end payroll solutions including processing, tax filings, and compliance—so you can focus on running your business.
Income Tax Planning: Proactive planning strategies to minimize tax liability and keep more of what you earn throughout the year.
Evening and Weekend Appointments Available: Flexible scheduling options to fit your busy lifestyle, making it easy to get expert help when you need it.

Testimonials

On 12/30/2025 Eric Honea had this to say:
Curt has been my accountant for business and personal for over 20 years...honest, accessible, and reasonably priced!

On 7/8/2025 Tyson Goken had this to say:
My taxes became more complicated this year and I didn’t feel capable of filing myself. Curt was recommended to me by a friend. He is very knowledgeable, professional, and quick. I highly recommend him and will be back next year!

On 3/2/2025 Lasse Sinisalo had this to say:
Best possible accounting firm.

On 8/10/2024 Rachel Moore had this to say:
Honest and Reliable. Thank you . For all the great service

On 12/1/2021 Shereen Venning had this to say:
Seems to be a competent CPA and does taxes. Been in practice a long time. No complaints.

Contact Us

Curt John Karas, CPA, MBA, PC
1930 Annettes Cir. Sugar Grove, IL 60554
Phone: (630) 466-1857
Fax: (630) 466-1699
Email: curtkaras@gmail.com

Conveniently Located Near the Corner of Dugan Road and Route 30

Where To Find Us

Payment Types Accepted

Visa, MasterCard, American Express, Discover, Personal Checks, Debit Cards, Business Checks

Our Hours

Monday: 9:00 AM - 6:00 PM
Tuesday: 9:00 AM - 6:00 PM
Wednesday: 9:00 AM - 6:00 PM
Thursday: 9:00 AM - 6:00 PM
Friday: 9:00 AM - 6:00 PM

News

Curt John Karas, CPA, MBA, PC – Trusted Since 1993

Serving Sugar Grove, Elburn, Hinckley & Big Rock, we offer expert tax prep and small business accounting tailored to your needs. Precision, transparency, and decades of experience—your financial clarity starts here.

📍 Located in Sugar Grove, IL 📞 Contact us today to simplify your financial journey.

FAQ

What services do you offer for new business startups?

We provide comprehensive business consulting, software training, and full payroll services to help your new business thrive.

Do you assist with tax preparation for businesses and individuals?

Yes, we handle both business and individual tax preparation, ensuring accurate and timely filings.

Can you help with income tax planning?

Absolutely, our services include strategic income tax planning to optimize your tax position and financial outcomes.

Are your services flexible for evening and weekend appointments?

Yes, we offer evening and weekend appointments to accommodate your busy schedule and ensure you receive the assistance you need.

How can your business consulting services benefit my startup?

Our consulting services provide guidance on strategic planning, operational efficiency, and financial management to set your startup on the path to success.

What is the best business structure for minimizing taxes in Illinois?

Choosing between an LLC, S-Corp, or C-Corp can significantly impact your tax liability. We evaluate your income, growth plans, and risk level to recommend the most tax-efficient structure for your situation.

At what income level should I consider electing S-Corp status?

If your business is consistently profitable, electing S-Corp status may help reduce self-employment taxes. We analyze your numbers to determine the right timing and ensure it benefits you financially.

How can I reduce my tax liability before year-end?

We provide proactive strategies such as accelerating expenses, deferring income, maximizing retirement contributions, and utilizing available credits—so there are no surprises at tax time.

What accounting software is best for my business, and do you help set it up?

We recommend and train clients on platforms like QuickBooks based on their business type, ensuring systems are properly set up for accurate reporting and easier tax preparation.

What do I need to prepare before starting payroll for my employees?

Before running payroll, you need proper federal and state registrations, employee documentation, and a compliance setup. We handle the entire process to ensure accuracy and avoid costly penalties.