What services does DWK Tax & Accounting offer?

DWK Tax & Accounting offers tax preparation and planning, bookkeeping, accounting, business advisory, and outsourced CFO services for individuals and small businesses in Wheaton, IL and DuPage County.

Where is DWK Tax & Accounting located?

DWK Tax & Accounting is based in Wheaton, Illinois, serving clients throughout DuPage County including Naperville, Glen Ellyn, Lisle, Downers Grove, and the greater Chicago suburbs.

Do you work with small businesses?

Yes. DWK Tax & Accounting specializes in serving small business owners, entrepreneurs, and growing companies who need more than basic tax compliance, including strategic advisory and fractional CFO support.

How do I schedule a consultation?

You can schedule a consultation by visiting https://dwkcpa.com/contact, calling (708) 369-0044, or emailing david@dwktaxaccounting.com.

Do you serve businesses and residents in St. Charles?

Yes. DWK Tax & Accounting serves St. Charles businesses and individuals throughout the Fox Valley area. David Korzeniowski, CPA provides tax preparation, bookkeeping, payroll, and advisory services to the St. Charles community year-round.

What types of St. Charles businesses do you work with?

We work with a range of St. Charles businesses, the restaurants and shops along the historic downtown corridor, service companies, professional practices, and contractors. Each has unique accounting needs, and we tailor our services accordingly.

Can you help my St. Charles business with bookkeeping and payroll?

Absolutely. We provide monthly bookkeeping, payroll processing, financial reporting, and tax preparation for St. Charles businesses. We handle the financial side so you can focus on your customers and operations.

Do you provide individual tax preparation for St. Charles residents?

Yes. We prepare individual tax returns for St. Charles residents, handling all income types and tax situations with the expertise of a licensed CPA. From simple W-2 returns to complex investment and business income, we ensure accuracy and capture every deduction.

How do I get started?

Call (708) 369-0044 or use our contact form to schedule a free consultation. We will discuss your needs and recommend the right services for your business or personal tax situation.

St. Charles, Illinois

CPA in St. Charles, IL

St. Charles is a charming Fox River community with a historic downtown, thriving small businesses, and a strong residential base. DWK Tax & Accounting provides CPA services to St. Charles businesses and residents, offering tax preparation, bookkeeping, payroll, and financial advisory. David Korzeniowski, CPA delivers the expertise of a licensed professional with the personal attention that St. Charles's community-oriented character demands.

CPA Services for St. Charles

Individual and business tax preparation

Monthly bookkeeping and financial reporting

Payroll processing and compliance

Tax planning and strategy

QuickBooks setup, cleanup, and training

Business advisory and consulting

Sales tax registration and filing

IRS representation and resolution

Our Services

Tax Preparation Monthly Bookkeeping Payroll Services Small Business Accounting

A Trusted Financial Partner

St. Charles businesses value relationships and community. David Korzeniowski, CPA brings that same community-focused approach to financial services, building long-term partnerships with clients who know their CPA is available whenever they need guidance, not just during tax season.

From the downtown corridor to the residential neighborhoods, St. Charles clients get the same direct CPA access, proactive planning, and personalized service that defines DWK Tax & Accounting.

Schedule a Free Consultation

(708) 369-0044Serving St. Charles, Illinois

Why Choose DWK

A CPA Partner Who Invests in Your Success

Business owners choose DWK Tax & Accounting because they get direct access to a licensed CPA who understands their industry, their goals, and their numbers, not a revolving door of staff.

Licensed Illinois CPA

David Korzeniowski is a licensed Certified Public Accountant in the State of Illinois, not a seasonal tax preparer or a software dashboard. Every return is prepared and reviewed by a CPA who is accountable for accuracy and compliance.

Small Business Experience

8+ years working with contractors, restaurants, medical practices, law firms, e-commerce, real estate investors, and consultants across DuPage County. Industry-specific knowledge means better deductions and fewer surprises.

Year-Round Support

Tax strategy doesn't stop in April. David is available throughout the year for questions, planning conversations, and proactive adjustments, not just at filing season.

Proactive Tax Strategy

We plan ahead. Entity structure, timing, retirement contributions, and quarterly estimates are reviewed continuously so you keep more of what you earn, legally and strategically.

Personalized Planning

Every business is different. Recommendations are built around your specific circumstances, goals, and growth plans, never a generic template or a one-size-fits-all checklist.

Local & Accessible

Based in Wheaton, serving DuPage County and the western suburbs. You can call, email, or meet in person. No call centers, no overseas outsourcing, no account handoffs.

Meet David Korzeniowski, CPA Read Client Reviews View Success Stories

Frequently Asked Questions

Also serving: Wheaton, Geneva, Batavia, Bartlett, and communities throughout the Fox Valley and DuPage County.