Insights

Mid-market focus Target growth-oriented middle-market and private companies in Chicagoland and nonprofits that require scalable accounting, auditing, tax planning, and M&A support aligned with a firm that combines personalized service with technology.

Comprehensive services Leverage the full range of services including accounting, auditing, tax compliance and planning, and mergers & acquisitions to cross-sell integrated solutions to existing clients and win new engagements from organizations needing end-to-end financial support.

Tech-enabled delivery Highlight technology stack and modern processes (WordPress, Google Ads, Mailchimp, Microsoft 365) to position as a digitally capable CPA partner; propose efficiency improvements, data security improvements, and targeted marketing analytics as value-adds.

Local credibility Emphasize regional expertise in Chicagoland with 50+ years of experience to win referrals from nonprofits and private companies seeking trusted relationships, stable stewardship, and proactive financial guidance.

Growth opportunities With revenue in the lower-mid market range and a defined niche in nonprofits and private firms, pursue expansions into allied services for growth, cross-sell to existing clients, and marketing initiatives to increase client acquisition and retention.

Similar companies to Dugan + Lopatka CPAs

Dugan + Lopatka CPAs Tech Stack

Dugan + Lopatka CPAs uses 8 technology products and services including AdRoll, Google Ads, gstatic.com, and more. Explore Dugan + Lopatka CPAs's tech stack below.

Dugan + Lopatka CPAs's Email Address Formats

Dugan + Lopatka CPAs uses at least 3 email formats:
Dugan + Lopatka CPAs Email FormatsExamplePercentage
First.Last@duganlopatka.comJohn.Doe@duganlopatka.com
87%
Last@duganlopatka.comDoe@duganlopatka.com
11%
FirLast@duganlopatka.comJohDoe@duganlopatka.com
2%

Frequently Asked Questions

What is Dugan + Lopatka CPAs's phone number?

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You can contact Dugan + Lopatka CPAs's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Dugan + Lopatka CPAs's official website and social media links?

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Dugan + Lopatka CPAs's official website is duganlopatka.com and has social profiles on LinkedIn.

How much revenue does Dugan + Lopatka CPAs generate?

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As of August 2026, Dugan + Lopatka CPAs's annual revenue is estimated to be $10M - $25M.

What is Dugan + Lopatka CPAs's SIC code and NAICS code?

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Dugan + Lopatka CPAs's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Dugan + Lopatka CPAs have currently?

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As of August 2026, Dugan + Lopatka CPAs has approximately 43 employees across 1 continents, including North America. Key team members include Tax Manager: B. M., Manager Tax Department: C. R. and Staff Accountant, Tax Department: G. S. Explore Dugan + Lopatka CPAs's employee directory with LeadIQ.

What industry does Dugan + Lopatka CPAs belong to?

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Dugan + Lopatka CPAs operates in the Accounting industry.

What technology does Dugan + Lopatka CPAs use?

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Dugan + Lopatka CPAs's tech stack includes AdRoll, Google Ads, gstatic.com, WordPress, Mailchimp, Microsoft 365, HSTS and Nginx.

What is Dugan + Lopatka CPAs's email format?

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Dugan + Lopatka CPAs's email format typically follows the pattern of First.Last@duganlopatka.com. Find more Dugan + Lopatka CPAs email formats with LeadIQ.

When was Dugan + Lopatka CPAs founded?

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Dugan + Lopatka CPAs was founded in 1974.
Dugan + Lopatka CPAs logo

Dugan + Lopatka CPAs

AccountingIllinois, United States11-50 Employees

Dugan + Lopatka CPAs is a full-service public accounting firm based in Chicagoland, with a focus on middle-market and private companies as well as nonprofit organizations. For more than five decades, the firm has offered core services including accounting, auditing, tax compliance and planning, and mergers and acquisitions, integrating a broad set of skills to serve client needs. The firm positions itself as taking a comprehensive, personalized approach to client finances, aiming to provide reliable outcomes and peace of mind beyond traditional accounting services. Located in Warrenville, Illinois, Dugan + Lopatka serves organizations seeking financial accuracy and guidance across a range of sizes and sectors within the accounting industry.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1974
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Dugan + Lopatka CPAs's revenue is estimated to be in the range of $10M - $25M

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