One of the Top Accounting Firms in Lisle, IL

For nearly 50 years, Dugan + Lopatka has served a diverse range of businesses and nonprofit organizations in Lisle and across the Chicagoland market. Tapping into our deep understanding of the regional market and the challenges local businesses face, we work directly with your management team. Our trusted CPAs help you maximize tax savings, make data-driven decisions, prepare for the future, and navigate key decisions with clarity and confidence.

Serving Businesses from Lisle’s Top Industries

Home to more than 22,000 residents and a collaborative business community, Lisle is both a great place to raise a family and a prime spot to grow a business.

From our nearby offices in Wheaton, D+L serves mid-sized businesses and nonprofits from Lisle’s leading industries. That includes professional services, management of companies & enterprises, education, finance and insurance, and administrative & support services. Learn more about the industries D+L serves.

What makes D+L different?

As a local business, our team brings a true understanding of the market to the table, while providing the full range of financial management services you would expect from a larger firm.

Whether you’re looking to grow your business, reduce your tax burden, or use your data to make smarter business decisions, our team is here to help.

Accounting and Tax Services in Lisle, IL

We provide a comprehensive range of financial management solutions customized to your business, including:

Employing Talent from the Lisle Community

We’re proud to employ talented people from the communities we serve. We have employed graduates of Benedictine University, as well as other institutions in nearby communities.

Are you looking for a workplace with competitive benefits, flexible scheduling, and an environment that puts your health and well-being first? Learn more about our team and explore current job openings on our careers page.

Service area map for Lisle

At D+L, we serve communities across Chicagoland and beyond. That includes the Lisle zip codes 60532, 60563, 60572, as well as all others in the area.

Connect with Us.

Want to see how we can help your business navigate today’s challenges and prepare for tomorrow? Connect with D+L today.