Dugan + Lopatka CPAs is a CPA firm serving businesses and nonprofits in Lisle, Illinois and the broader Chicagoland market. The firm focuses on accounting services, tax planning, and tax services for organizations that need support with financial management and compliance.

Its listed service areas include accounting and advisory, outsourced accounting, audit services, reviews and compilations, tax advisory, planning and compliance, and mergers and acquisitions. Source material also describes work with mid-sized businesses, nonprofits, and industries such as professional services, education, finance and insurance, and administrative and support services.

The profile facts identify the firm as a CPA provider in the Taxpros category, with English listed as a language. The available source text emphasizes business and nonprofit support rather than individual-only tax preparation.