Insights

Market Growth Strong foothold in Chicagoland middle-market and nonprofit sectors with over 50 years of experience; opportunity to cross-sell mergers and acquisitions advisory, enhanced tax planning, and nonprofit governance services to deepen client relationships and increase wallet share.

Tech Driven Advisory Leverage existing core services with technology-enabled offerings in data analytics, internal controls, ESG reporting for nonprofits, and cybersecurity to broaden engagements with current clients and attract digitally mature mid-market firms.

Personalization Advantage As a smaller, local firm, Dugan + Lopatka can compete with the Big Four on personalized service, flexible engagements, and deep knowledge of mid-market and nonprofit client needs to win clients seeking trust and responsiveness.

Demand Generation Enhance digital marketing to build a steady pipeline of mid-market and nonprofit prospects through targeted content on M&A, tax planning, and governance, supported by CRM integration and marketing automation.

Growth Capacity To scale services, invest in or partner for niche capabilities such as M&A advisory, data analytics, and nonprofit accounting, ensuring capacity aligns with growing demand while maintaining service quality.

Similar companies to Dugan + Lopatka CPAs

Dugan + Lopatka CPAs Tech Stack

Dugan + Lopatka CPAs uses 8 technology products and services including Google Ads Conversion Tracking, Facebook Pixel, RSS, and more. Explore Dugan + Lopatka CPAs's tech stack below.

  • Google Ads Conversion Tracking
    Analytics
  • Facebook Pixel
    Analytics
  • RSS
    Content Management System
  • JSON-LD
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Cloudways
    Platform As A Service
  • Yoast SEO
    Search Engines
  • Gravity Forms
    Web Platform Extensions

Media & News

Dugan + Lopatka CPAs's Email Address Formats

Dugan + Lopatka CPAs uses at least 1 format(s):
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

Where is Dugan + Lopatka CPAs's headquarters located?

Minus sign iconPlus sign icon
Dugan + Lopatka CPAs's main headquarters is located at 4320 Winfield Road Warrenville, Illinois 60555 United States. The company has employees across 1 continents, including North America.

What is Dugan + Lopatka CPAs's phone number?

Minus sign iconPlus sign icon
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?

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

What is Dugan + Lopatka CPAs's NAICS code?

Minus sign iconPlus sign icon
Dugan + Lopatka CPAs's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Dugan + Lopatka CPAs have currently?

Minus sign iconPlus sign icon
As of June 2026, Dugan + Lopatka CPAs has approximately 43 employees across 1 continents, including North America. Key team members include Manager, Firm Administration: N. D.Tax Manager: B. M.Manager Tax Department: C. R.. Explore Dugan + Lopatka CPAs's employee directory with LeadIQ.

What industry does Dugan + Lopatka CPAs belong to?

Minus sign iconPlus sign icon
Dugan + Lopatka CPAs operates in the Accounting industry.

What technology does Dugan + Lopatka CPAs use?

Minus sign iconPlus sign icon
Dugan + Lopatka CPAs's tech stack includes Google Ads Conversion TrackingFacebook PixelRSSJSON-LDjQueryCloudwaysYoast SEOGravity Forms.

What is Dugan + Lopatka CPAs's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
Dugan + Lopatka CPAs was founded in 1974.

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

Headquarters
4320 Winfield Road Warrenville, Illinois 60555 United States
Phone number
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1974
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    Dugan + Lopatka CPAs's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Dugan + Lopatka CPAs's revenue is estimated to be in the range of $25M$50M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.