Your Business Deserves a CPA That Delivers
Downers Grove CPA firm serving over 2,000 clients since 1974. Audit, tax, and business advisory services for privately-owned businesses and public sector organizations.
Practice Areas
Audit, tax, and business advisory services tailored for privately-owned businesses and public sector organizations.
Audit & Assurance
Independent, thorough financial audits that give stakeholders confidence. Public and private sector expertise.
fact_checkTax Planning & Preparation
Proactive tax strategies that minimize your liability. Individual and business returns prepared with precision.
Estate Planning
Protect your legacy with smart estate and succession planning. We help business owners transition with confidence.
Business Valuation & Advisory
Know what your business is worth. Valuation services for M&A, succession, litigation support, and strategic planning.
50+
Years in Practice
2000+
Clients Served
50 Years Serving Downers Grove Businesses
Kenneth J. Kolnicki, CPA
Founding partner since 1974. University of Illinois graduate with deep expertise in privately-owned business accounting and tax strategy.
AICPA & Illinois CPA Society
All partners hold active memberships in the American Institute of CPAs and Illinois CPA Society.
Consistent Growth
Over 10% annual fee growth driven by client referrals and quality service — not aggressive sales tactics.
Trusted Since 1974
Over 2,000 clients trust KPW with their most critical financial decisions.
"KPW has handled our company's books for over 15 years. They're proactive, responsive, and always find ways to save us money on taxes."
Business Owner
Downers Grove, IL
"Their audit work is thorough and professional. They understand the unique requirements of public sector organizations and nonprofits."
Nonprofit Director
Naperville, IL
"Switching to KPW was the best financial decision we made. They found deductions our previous CPA missed and their advisory services are top-notch."
Restaurant Owner
Oak Brook, IL
Book Your Free Consultation
Pick a time that works. We'll call you to discuss your needs.
Or call us directly at 630-390-1140
Get a CPA firm that actually knows your business.
Schedule a free consultation. We'll review your situation and show you how we can help.