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 Downers Grove?

Yes. DWK Tax & Accounting serves clients throughout DuPage County, including Downers Grove. We offer virtual and in-person consultations to accommodate clients across the area.

What accounting services are available to Downers Grove businesses?

We provide tax preparation, tax planning, bookkeeping, small business accounting, QuickBooks cleanup, payroll processing, business advisory, and fractional CFO services to Downers Grove businesses.

How is DWK different from a large accounting firm?

At DWK, you work directly with David Korzeniowski, CPA, not a rotating cast of staff accountants. You get the expertise of a senior CPA with the personal attention of a boutique local firm.

Do I need to visit an office in person?

No. Many of our Downers Grove clients work with us virtually. We offer secure document sharing and video consultations. In-person meetings are available for clients who prefer them.

Is there a minimum revenue requirement for your accounting services?

No minimum revenue requirement. We work with startups, solo professionals, and established businesses. Pricing is scoped to the services your business actually needs.

Downers Grove, Illinois

CPA Serving Downers Grove, IL

DWK Tax & Accounting provides CPA services to individuals and small businesses in Downers Grove, Illinois. Based in nearby Wheaton, David Korzeniowski, CPA brings tax preparation, bookkeeping, and business accounting expertise to one of DuPage County's most active business communities, with the personal service that larger regional firms simply cannot match.

Services for Downers Grove Clients

Federal and Illinois state tax preparation

Proactive tax planning to reduce your liability

Monthly bookkeeping for small businesses

Small business accounting and financial reporting

QuickBooks cleanup and catch-up bookkeeping

Payroll processing and compliance

Business advisory and growth planning

Fractional CFO services for scaling companies

Explore Our Services

Tax Preparation Tax Planning Bookkeeping Small Business Accounting QuickBooks Cleanup

Serving Downers Grove from Wheaton

Downers Grove has a strong mix of established businesses, growing startups, and individual professionals who deserve better than a national tax chain. DWK Tax & Accounting brings a CPA-level advisory relationship to businesses in this community.

We offer virtual engagements for clients who prefer remote collaboration, as well as in-person consultations at our Wheaton office. Either way, you work directly with David, not a rotating staff accountant.

Ready to Talk?

(708) 369-0044Serving Downers Grove 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

Also serving: Wheaton, Naperville, Glen Ellyn, Lisle, Carol Stream, Lombard, and throughout DuPage County.