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.

What tax form does a C corporation file?

A C corporation files Form 1120, the U.S. Corporation Income Tax Return. The corporation pays tax on its profits at the corporate tax rate. When profits are distributed to shareholders as dividends, those dividends are taxed again on the shareholders' personal returns, this is known as double taxation, and managing it is a core part of corporate tax strategy.

How is a C corporation taxed in Illinois?

Illinois imposes a corporate income tax and a personal property replacement tax on C corporations. The combined Illinois corporate tax rate is among the factors to consider when choosing entity type. We prepare both the federal Form 1120 and the Illinois corporate return, ensuring all state requirements are met and the replacement tax is calculated correctly.

How do I minimize double taxation in a C corporation?

Double taxation can be managed through strategic salary planning (paying owner-employees a deductible salary rather than distributing taxable dividends), retaining earnings for business growth, providing deductible fringe benefits, and timing dividend distributions. A CPA structures these strategies to minimize the total tax paid at both the corporate and personal levels.

Should my business be a C corporation?

C corp status is less common for small businesses since the 2017 tax law changes, but it can still be advantageous for businesses that need to retain significant earnings, have many shareholders, offer robust fringe benefits, or plan to seek venture capital. We analyze your specific situation to determine whether a C corp, S corp, or LLC is the right structure.

What records do I need for corporate tax preparation?

You need a complete set of financial statements (profit and loss, balance sheet), general ledger, payroll records, shareholder information, dividend records, depreciation schedules, and documentation of all deductible expenses. If your books are not current, our bookkeeping and QuickBooks cleanup services can get them ready for tax preparation.

Corporate Tax Preparation

Corporate Tax Preparation in Wheaton, IL

C corporations face a unique tax landscape, corporate-level taxation, the potential for double taxation on dividends, and complex compliance requirements at both the federal and Illinois state level. DWK Tax & Accounting prepares corporate tax returns for C corporations across Wheaton and DuPage County, managing Form 1120 compliance while implementing strategies that minimize the total tax burden across both the corporation and its shareholders.

Corporate Tax Services

Federal Form 1120 corporate tax return

Illinois corporate income and replacement tax

Owner salary and dividend distribution planning

Double taxation mitigation strategies

Accumulated earnings tax analysis

Corporate fringe benefit optimization

Depreciation and Section 179 planning

Shareholder basis tracking

Multi-state corporate tax nexus review

Corporate estimated tax payment planning

Managing Corporate Tax Complexity

The defining challenge of C corporation taxation is double taxation, profits are taxed at the corporate level, and dividends are taxed again on shareholder returns. Without proactive planning, this can result in a combined effective rate that significantly exceeds what an S corp or LLC owner would pay.

David Korzeniowski, CPA manages this complexity through strategic salary planning, deductible fringe benefits, retained earnings analysis, and careful timing of distributions. Every strategy is designed to minimize total tax, not just the corporate return, but the combined corporate and personal tax picture.

Related Services

Business Tax Preparation S Corp Tax Preparation Partnership Tax Preparation Tax Planning & Strategy Financial Reporting

Serving DuPage County

CPA in Wheaton, IL CPA Serving Downers Grove, IL CPA Serving Glen Ellyn, 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 Year-End Tax Planning Checklist

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.