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.

Does DWK Tax & Accounting serve clients in Naperville?

Yes. While our office is in Wheaton, we serve many Naperville clients across DuPage County. Naperville is one of the largest business communities in the western suburbs, and we offer both virtual consultations and in-person meetings to accommodate Naperville residents and business owners.

What services do you offer Naperville small businesses?

Naperville businesses receive business tax preparation, S corp and partnership returns, monthly bookkeeping, payroll services, QuickBooks cleanup, tax planning, IRS tax resolution, and fractional CFO services, all from a licensed CPA who knows your business.

Can you help a growing Naperville company with fractional CFO services?

Absolutely. Naperville is home to many scaling businesses that need financial leadership but are not ready for a full-time CFO. Our fractional CFO engagement delivers cash flow forecasting, KPI dashboards, and strategic planning at a fraction of the cost of a salaried executive.

Do you prepare individual tax returns for Naperville residents?

Yes. We prepare personal tax returns for Naperville residents, including W-2s, 1099 income, investments, rental properties, and K-1s. Many Naperville professionals have complex compensation or equity situations that benefit from CPA-level preparation.

How do I get started as a Naperville client?

Call (708) 369-0044, email david@dwktaxaccounting.com, or visit dwkcpa.com/contact. We offer a free initial consultation and can meet virtually or at our Wheaton office, just a short trip from Naperville.

Naperville, Illinois

CPA Serving Naperville, IL

Naperville is one of the largest and most dynamic business communities in the western suburbs, home to technology firms, professional services, healthcare, and a thriving small-business sector. DWK Tax & Accounting serves Naperville clients from our Wheaton office, delivering CPA-level tax preparation, bookkeeping, payroll, and fractional CFO services scaled to the needs of a city where businesses grow quickly and financial complexity follows.

CPA Services for Naperville Clients

Individual and business tax preparation

S corp, partnership, and corporate tax returns

IRS tax resolution and back taxes help

Monthly bookkeeping and financial reporting

Payroll processing and payroll tax filings

QuickBooks setup, training, and cleanup

Tax planning and year-end strategy

Fractional CFO for growing companies

Explore Our Services

Individual Tax Preparation Business Tax Preparation S Corp Tax Preparation Tax Planning Bookkeeping Small Business Accounting Fractional CFO & Advisory Payroll Services

Built for Naperville's Growth

Naperville businesses often outgrow basic bookkeeping faster than they can hire for it. David Korzeniowski, CPA provides the financial infrastructure, accurate books, clean tax returns, and forward-looking planning, that scaling companies need to make confident decisions.

From solo professionals to companies approaching eight-figure revenue, Naperville clients get a CPA who understands both the compliance requirements and the strategic questions that come with growth.

Start With a Free Consultation

(708) 369-0044Serving Naperville from Wheaton, IL

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

S Corp vs LLC in Illinois When to Elect S Corp Status

Also serving: Wheaton, Downers Grove, Lombard, Glen Ellyn, Winfield, Carol Stream, and throughout DuPage County.