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Gathering insights about Dugan + Lopatka CPAs

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, AdRoll CMP System, MySQL, and more. Explore Dugan + Lopatka CPAs's tech stack below.

  • Google Ads Conversion Tracking
    Analytics
  • AdRoll CMP System
    Consent Management
  • MySQL
    Database
  • jQuery Migrate
    Javascript Libraries
  • PHP
    Programming Languages
  • Yoast SEO
    Search Engines
  • YouTube
    Video Players
  • 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
46%
Last@duganlopatka.comDoe@duganlopatka.com
7%
FirLast@duganlopatka.comJohDoe@duganlopatka.com
1%
First.Last@duganlopatka.comJohn.Doe@duganlopatka.com
46%

Frequently Asked Questions

Where is Dugan + Lopatka CPAs's headquarters located?

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Dugan + Lopatka CPAs's main headquarters is located at 4320 Winfield Rd, Warrenville, Illinois 60555, US. The company has employees across 1 continents, including North America.

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 October 2025, Dugan + Lopatka CPAs's annual revenue is estimated to be $4M.

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

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Dugan + Lopatka CPAs's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services 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 October 2025, Dugan + Lopatka CPAs has approximately 51 employees across 1 continents, including North America. Key team members include Tax Manager: B. M.Manager Tax Department: C. R.Tax Senior: D. K.. 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 Google Ads Conversion TrackingAdRoll CMP SystemMySQLjQuery MigratePHPYoast SEOYouTubeGravity Forms.

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

AccountingUnited States51-200 Employees

Dugan + Lopatka is a full-service Public Accounting Firm in Chicagoland, specializing in middle-market, private companies and nonprofit organizations. For over 50 years, our team of financial experts has brought together a wide range of skills and technologies to provide comprehensive service for our clients.  

While our work is tailored to the individual needs of clients, our core services include accounting, auditing, tax compliance & planning, and mergers & acquisitions.

At D+L, we believe that the success of a business and its finances are inseparable. That’s why we take a comprehensive approach to each client’s business—going beyond the traditional role of an accounting firm to deliver personal service, reliable outcomes and genuine peace of mind. 

That’s Accounting for What Matters.

Section iconCompany Overview

Headquarters
4320 Winfield Rd, Warrenville, Illinois 60555, US
Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1974
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $50M$100M

    Dugan + Lopatka CPAs's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Dugan + Lopatka CPAs's revenue is estimated to be in the range of $50M$100M

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