Insights

Growth Opportunity Mid-market accounting firm with multiple offices and revenue in the 25–50 million range presents a target for advisory services expansion, including outsourced finance functions, cloud accounting enablement, and scalable audit offerings for growing private and nonprofit clients.

Technology Adoption Current tech stack indicates standard web and analytics use; potential upsell of modern cloud ERP integration, cybersecurity assessments, data analytics for audits, and workflow automation to increase efficiency for clients with complex regulatory needs.

Diverse Client Base Experience with privately held, public companies, local governments, and nonprofits creates cross-sell opportunities in tax planning, government compliance, grant accounting, and nonprofit fundraising audits across multiple sectors.

Geographic Footprint Five Chicago-area offices plus Sarasota offer a platform to expand geographically within Midwest markets and Florida, targeting regional growth sectors and multi-office entities needing coordinated audit and advisory services.

Competitive Positioning As a PKF-affiliated firm in a space with giants and mid-tier firms, there is an opportunity to differentiate with personalized service, industry specialization, and value-added advisory for growth companies seeking hands-on partner engagement.

Similar companies to Mueller & Co., LLP

Mueller & Co., LLP Tech Stack

Mueller & Co., LLP uses 8 technology products and services including WordPress, Google Fonts API, Twemoji, and more. Explore Mueller & Co., LLP's tech stack below.

  • Content Management System
  • Google Fonts API
    Font Scripts
  • Twemoji
    Font Scripts
  • jQuery UI
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • PHP
    Programming Languages
  • Google Analytics
    Web Analytics
  • Nginx
    Web Servers

Mueller & Co., LLP's Email Address Formats

Mueller & Co., LLP uses at least 3 email formats:
Mueller & Co., LLP Email FormatsExamplePercentage
FLast@muellercpa.comJDoe@muellercpa.com
95%
First.Last@muellercpa.comJohn.Doe@muellercpa.com
4%
Last@muellercpa.comDoe@muellercpa.com
1%

Frequently Asked Questions

What is Mueller & Co., LLP's phone number?

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You can contact Mueller & Co., LLP'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 Mueller & Co., LLP's official website and social media links?

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Mueller & Co., LLP's official website is muellercpa.com and has social profiles on LinkedIn.

How much revenue does Mueller & Co., LLP generate?

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As of July 2026, Mueller & Co., LLP's annual revenue is estimated to be $25M - $50M.

What is Mueller & Co., LLP's SIC code and NAICS code?

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Mueller & Co., LLP's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Mueller & Co., LLP have currently?

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As of July 2026, Mueller & Co., LLP has approximately 201 employees across 3 continents, including North America, Asia and Europe. Key team members include Partner: B. K., Managing Director: D. R. and Partner: L. P. Explore Mueller & Co., LLP's employee directory with LeadIQ.

What industry does Mueller & Co., LLP belong to?

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Mueller & Co., LLP operates in the Accounting industry.

What technology does Mueller & Co., LLP use?

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Mueller & Co., LLP's tech stack includes WordPress, Google Fonts API, Twemoji, jQuery UI, Modernizr, PHP, Google Analytics and Nginx.

What is Mueller & Co., LLP's email format?

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Mueller & Co., LLP's email format typically follows the pattern of FLast@muellercpa.com. Find more Mueller & Co., LLP email formats with LeadIQ.

When was Mueller & Co., LLP founded?

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Mueller & Co., LLP was founded in 1968.
Mueller & Co., LLP logo

Mueller & Co., LLP

AccountingIllinois, United States201-500 Employees

Mueller & Co., LLP operates as a full-service accounting and business advisory firm, providing accounting, auditing, tax, consulting, and advisory services. Headquartered in Elgin, Illinois, the firm maintains five offices in the Chicago area and an additional office in Sarasota, serving clients both domestically and internationally. Founded in 1968, the practice emphasizes close attention to detail and personal involvement as core elements of its work. Its client base includes privately held and publicly traded companies, local governments, and nonprofit organizations across a variety of industries. Through a separate affiliated firm, Mueller Financial Services, the organization offers comprehensive financial planning, investment advisory, and insurance-related solutions.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1968
Employees
201-500

Section iconFunding & Financials

  • $25M - $50M

    Mueller & Co., LLP's revenue is estimated to be in the range of $25M - $50M

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