Insights

Diversified client base Kolnicki, Peterson & Wirth serves both private sector and public sector clients with over 2000 clients and has demonstrated growth in fees, indicating ongoing demand for audit, tax, and advisory services across sectors.

Growth opportunity Annual receipts around 2.5 million and recent fee growth of over 10 percent suggest capacity to scale services; potential upsell in audit, tax planning, and advisory for expanding privately owned businesses.

SME focus Specialization in privately owned businesses with a long track record and tailored services such as estate planning and financial consulting positions the firm to cross-sell governance, succession planning, and cash flow optimization for owners.

Regional expertise Located in Downers Grove with a local footprint and membership in AICPA and Illinois CPA Society signals credibility and opportunities to win state and local government or nonprofit engagements beyond existing public sector work.

Tech and service expansion Existing tech stack and emphasis on proactive, quality services open doors for digital transformation projects, recurring advisory retainer models, and remote audit/tax workflows for clients seeking efficiency improvements.

Kolnicki, Peterson & Wirth, LLC Tech Stack

Kolnicki, Peterson & Wirth, LLC uses 8 technology products and services including Duda, IONOS Email, jQuery, and more. Explore Kolnicki, Peterson & Wirth, LLC's tech stack below.

  • Duda
    Content Management System
  • IONOS Email
    Email Hosting
  • jQuery
    Javascript Libraries
  • Leaflet
    Maps
  • MyWebsite
    Page Builders
  • MyWebsite Creator
    Page Builders
  • Java
    Programming Languages
  • HSTS
    Security

Kolnicki, Peterson & Wirth, LLC's Email Address Formats

Kolnicki, Peterson & Wirth, LLC uses at least 1 format(s):
Kolnicki, Peterson & Wirth, LLC Email FormatsExamplePercentage
FLast@kpwcpa.comJDoe@kpwcpa.com
83%
Last@kpwcpa.comDoe@kpwcpa.com
17%

Frequently Asked Questions

What is Kolnicki, Peterson & Wirth, LLC's phone number?

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You can contact Kolnicki, Peterson & Wirth, 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 Kolnicki, Peterson & Wirth, LLC's official website and social media links?

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Kolnicki, Peterson & Wirth, LLC's official website is kpwcpa.com and has social profiles on LinkedIn.

How much revenue does Kolnicki, Peterson & Wirth, LLC generate?

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As of August 2026, Kolnicki, Peterson & Wirth, LLC's annual revenue is estimated to be $10M - $25M.

What is Kolnicki, Peterson & Wirth, LLC's SIC code NAICS code?

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Kolnicki, Peterson & Wirth, 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 Kolnicki, Peterson & Wirth, LLC have currently?

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As of August 2026, Kolnicki, Peterson & Wirth, LLC has approximately 15 employees across 1 continents, including North America. Key team members include Realtor: K. K.. Explore Kolnicki, Peterson & Wirth, LLC's employee directory with LeadIQ.

What industry does Kolnicki, Peterson & Wirth, LLC belong to?

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Kolnicki, Peterson & Wirth, LLC operates in the Accounting industry.

What technology does Kolnicki, Peterson & Wirth, LLC use?

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Kolnicki, Peterson & Wirth, LLC's tech stack includes DudaIONOS EmailjQueryLeafletMyWebsiteMyWebsite CreatorJavaHSTS.

What is Kolnicki, Peterson & Wirth, LLC's email format?

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Kolnicki, Peterson & Wirth, LLC's email format typically follows the pattern of FLast@kpwcpa.com. Find more Kolnicki, Peterson & Wirth, LLC email formats with LeadIQ.

When was Kolnicki, Peterson & Wirth, LLC founded?

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Kolnicki, Peterson & Wirth, LLC was founded in 1974.
Kolnicki, Peterson & Wirth, LLC logo

Kolnicki, Peterson & Wirth, LLC

AccountingIllinois, United States11-50 Employees

Kolnicki, Peterson & Wirth, LLC is an accounting firm based in Downers Grove, Illinois, founded in 1974. The practice provides audit, tax, and business advisory services to organizations in both the private and public sectors, aiming to deliver quality work at reasonable fees and to respond proactively to client needs. It focuses on privately owned businesses and their owners, offering a range of accounting and financial planning services. The client base is diverse, and the firm maintains memberships with the American Institute of Certified Public Accountants and the Illinois CPA Society. In addition to estate planning and financial consulting, the firm conducts income tax return preparation for individuals and businesses.

Section iconCompany Overview

Phone number
Website
kpwcpa.com
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1974
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Kolnicki, Peterson & Wirth, LLC's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Kolnicki, Peterson & Wirth, LLC's revenue is estimated to be in the range of $10M - $25M

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