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Gathering insights about Dufek & Company, LLC

Dufek & Company, LLC Tech Stack

Dufek & Company, LLC uses 8 technology products and services including Google Hosted Libraries, ProSites, Sentry, and more. Explore Dufek & Company, LLC's tech stack below.

  • Google Hosted Libraries
    Content Delivery Network
  • ProSites
    Healthcare Marketing
  • Sentry
    Issue Trackers
  • YUI
    Javascript Libraries
  • PHP
    Programming Languages
  • Piwik
    System Analytics & Monitoring
  • Animate.css
    UI Frameworks
  • Google Analytics
    Web Analytics

Media & News

Dufek & Company, LLC's Email Address Formats

Dufek & Company, LLC uses at least 1 format(s):
Dufek & Company, LLC Email FormatsExamplePercentage
First@5500audit.comJohn@5500audit.com
50%
First@5500audit.comJohn@5500audit.com
50%

Frequently Asked Questions

Where is Dufek & Company, LLC's headquarters located?

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Dufek & Company, LLC's main headquarters is located at 55 E Monroe St, Chicago, Illinois 60603, US. The company has employees across 1 continents, including North America.

What is Dufek & Company, LLC's phone number?

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You can contact Dufek & Company, LLC'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 Dufek & Company, LLC's official website and social media links?

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Dufek & Company, LLC's official website is 5500audit.com and has social profiles on LinkedIn.

What is Dufek & Company, LLC's SIC code NAICS code?

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Dufek & Company, LLC'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 Dufek & Company, LLC have currently?

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As of October 2025, Dufek & Company, LLC has approximately 2 employees across 1 continents, including North America. Key team members include Partner: N. C. D.Senior Project Coordinator: F. F.: E. C.. Explore Dufek & Company, LLC's employee directory with LeadIQ.

What industry does Dufek & Company, LLC belong to?

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Dufek & Company, LLC operates in the Accounting industry.

What technology does Dufek & Company, LLC use?

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Dufek & Company, LLC's tech stack includes Google Hosted LibrariesProSitesSentryYUIPHPPiwikAnimate.cssGoogle Analytics.

What is Dufek & Company, LLC's email format?

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Dufek & Company, LLC's email format typically follows the pattern of First@5500audit.com. Find more Dufek & Company, LLC email formats with LeadIQ.

When was Dufek & Company, LLC founded?

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Dufek & Company, LLC was founded in 2009.

Dufek & Company, LLC

AccountingUnited States2-10 Employees

Dufek & Company is a unique CPA firm in that we only audit employee benefit plans (EBPs).  Our offices are located in SE Wisconsin and Chicago.  

Through our experience, specialization and low overhead costs, Dufek & Company offers a cost-efficient approach that is designed to keep the cost of your EBP audit to a minimum.  The partners of Dufek & Company have performed hundreds of employee benefit plan audits and are fully versed in the unique requirements of Employee Retirement Income Security Act (ERISA) audits.

Other firms handle tax work, due diligence projects, merger & acquisitions, consulting, etc.  At Dufek & Company we do one thing – audit employee benefit plans.  We devote all of our time to learning the Department of Labor and Internal Revenue Service expectations for the administration and auditing of EBPs.  Our specialization allows us to know the intricacies of EBPs, and we have developed an audit model that is unmatched in efficiency.

Visit www.5500audit.com for more

Section iconCompany Overview

Headquarters
55 E Monroe St, Chicago, Illinois 60603, US
Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
2009
Employees
2-10

Section iconMedia & News

Section iconFunding & Financials

  • $1M

    Dufek & Company, LLC's revenue is estimated to be in the range of $1M

Section iconFunding & Financials

  • $1M

    Dufek & Company, LLC's revenue is estimated to be in the range of $1M

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