About Us
Tax efficient financial planning for business owners.
We help business owners simplify their finances by offering integrated tax and financial planning under one roof. Anton Prokopenko, MBA, CPA, CFP®, EA specializes in retirement planning, business tax strategy, and personalized financial advice designed to reduce taxes and support long-term financial goals. Whether you're a solo entrepreneur, a growing practice, or planning for life after work, we deliver clear, actionable guidance tailored to your goals.
A Certified Public Accountant (CPA) is a licensed tax and accounting professional with verified expertise in financial reporting, taxation, and regulatory compliance.
A CERTIFIED FINANCIAL PLANNER™ professional is trained to deliver comprehensive financial planning across investments, retirement, insurance, and estate strategies, with a focus on fiduciary responsibility and client-centered advice.
A Federally Licensed Enrolled Agent (EA) is a tax professional authorized by the U.S. Department of the Treasury to represent taxpayers before the IRS.
If you're looking for straightforward, experienced guidance from a firm that understands both taxes and long-term planning, we’re here to help. Call us at 815-459-4300 or email info@sansonecpa.com to schedule a consultation.
Anton Prokopenko, MBA, CPA, CFP®, EA
Areas We Serve
At Sansone CPA & Financial, we serve individuals and small business owners throughout McHenry and Kane Counties. Whether you're seeking expert tax preparation, financial planning, or small business accounting, our team is here to provide high-quality, personalized service.
We proudly work with clients in the following communities:
Crystal Lake, IL
As our primary office location, we offer full-service CPA support to residents and business owners in Crystal Lake. From tax planning to business consulting, we're your local partner for long-term financial success.
CPA Crystal Lake IL
Tax preparation Crystal Lake IL
Crystal Lake IL accounting firm
Huntley, IL
Huntley clients rely on us for proactive tax advice and small business accounting. We work with self-employed individuals, growing businesses, and individuals looking for expert CPA services.
CPA Huntley IL
Tax accountant Huntley IL
Huntley IL small business accountant
Algonquin, IL
We support individuals and business owners in Algonquin with accurate tax filings, bookkeeping, and strategic planning to reduce tax liability and maximize growth.
CPA Algonquin IL
Tax preparation Algonquin IL
Algonquin IL bookkeeping services
Lake in the Hills, IL
We provide responsive, year-round support to Lake in the Hills clients, including personal tax returns, business tax prep, and financial planning.
CPA Lake in the Hills IL
Tax services Lake in the Hills IL
Lake in the Hills IL accountant for small business
Lakewood, IL
Many of our clients in Lakewood trust us for their personal and business tax needs. We offer personalized financial guidance with a focus on accuracy and compliance.
CPA near Lakewood IL
Lakewood IL tax professional
Lakewood IL accounting and tax services
Barrington, IL
We assist Barrington residents, retirees, and business owners with a full range of services including advanced tax strategies, investment-related planning, and year-round support.
CPA Barrington IL
Tax planning Barrington IL
Financial advisor and CPA Barrington IL
Looking for a CPA near you?
If you’re located in or near any of the above communities and need experienced tax, accounting, or financial planning services, contact us to schedule a consultation.