A Trusted + Experienced Addison Accounting Firm

Dugan + Lopatka is an innovative accounting firm serving businesses and nonprofits in Addison, IL. Leveraging our expertise in key industries, we work directly with business owners to solve challenges and achieve your goals.


Personalized Services that Make Your Business Stronger

At D+L, we provide a full range of tax and accounting solutions tailored to your needs and goals.

Our services include tax preparation & compliance; auditing, reviews and compilations; and other accounting and business advisory solutions. We also guide businesses through mergers and acquisitions, perform certain specialized services, and provide outsourced accounting for Addison businesses.


Accountants Who Understand Your Industry

We believe that the best financial guidance comes from accountants who truly understand your business and your industry. D+L’s team of Certified Public Accountants have specialized knowledge and decades of experience in key industries. We leverage this experience to help our clients achieve their goals and overcome complex challenges.

Some of our key industry specialties include wholesale trade, construction, manufacturing, transportation and warehousing. We are also experienced in the administrative and support sector, as well as waste management services.


Service Area Map: CPA in Addison, IL

Our CPA firm provides services for clients in the Addison area, including the local zip codes 60101 and 60191. Specializing in mid-sized and small businesses and nonprofit organizations, we serve clients across the Chicagoland region. Contact our team today to learn more.


Discover How It All Adds Up

Looking for CPA services in Addison? From tax management to business advisory, D+L provides personalized solutions that make your business smarter and more proactive. Connect with our team to get started.