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 prepare taxes for both individuals and businesses?

Yes. DWK Tax & Accounting prepares federal and Illinois state tax returns for individuals, sole proprietors, partnerships, S-corporations, C-corporations, and LLCs. Every return is reviewed by a licensed CPA.

How is DWK different from a national tax chain?

National chains use seasonal staff and volume-based processing. At DWK, David Korzeniowski, CPA personally handles your return and works with you year-round, not just at filing time.

What do I need to bring for my tax appointment?

Prior year returns, all income statements (W-2s, 1099s), expense records, investment statements, and any IRS notices you received. We provide a personalized checklist after your initial consultation.

Do you handle amended returns or back taxes?

Yes. We prepare amended returns (Form 1040-X), catch up on unfiled years, and help clients resolve IRS or Illinois Department of Revenue issues.

Where are you located?

We are based in Wheaton, Illinois, serving clients throughout DuPage County including Naperville, Glen Ellyn, Downers Grove, Lisle, and the greater Chicago suburbs.

Tax Services

Tax Preparation in Wheaton, IL

Accurate, CPA-reviewed tax returns for individuals, small businesses, and entrepreneurs in Wheaton and DuPage County. DWK Tax & Accounting prepares every return with attention to detail and an eye for opportunities to reduce your tax bill legally and strategically.

What We Prepare

Individual federal and Illinois state tax returns

Small business returns: S-corp, C-corp, partnership, LLC

Sole proprietor and Schedule C filings

Amended returns and prior year catch-up

Multi-state returns for business owners

IRS and IDOR notice response and resolution

Trust and estate returns

Foreign income and FBAR compliance

CPA-Prepared, Not Software-Generated

Every return filed through DWK is prepared and reviewed by David Korzeniowski, a licensed Illinois CPA with 8+ years of experience. You are not handed off to a seasonal employee or a DIY software prompt.

We review your prior year returns, identify missed deductions, and flag any planning opportunities before we file. Our goal is not just an accurate return, it is a return that reflects a thoughtful strategy. When your books are already clean through our monthly bookkeeping service, tax season becomes straightforward instead of stressful.

Related Services

Tax Planning & Strategy Small Business Accounting CPA in 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

Ready to Get Started

Take Control of Your Financial Future

Whether you need strategic tax planning, business advisory, or CFO-level financial leadership, DWK Tax & Accounting is ready to serve as a dedicated financial partner for your business.