Insights

Growth trajectory Mueller Prost is a mid-market accounting firm in St. Louis with 201-500 employees and revenue in the 25M-50M range, indicating a solid regional presence with potential needs for scalable services such as ERP integration, advanced analytics, and cybersecurity for growing client portfolios.

Leadership expansion Recent partner promotions and a cultural emphasis on leadership development (BeSEEN program for female leadership) suggest opportunities to discuss succession planning, governance improvements, and advisory services around firm growth, talent management, and partner-level client coverage models.

Tech and analytics Current tech stack includes QuickBooks, analytics tools (Google Analytics, Piwik), and collaboration platforms, signaling potential upsell to advanced data analytics, cloud migrations, internal process automation, and enhanced cybersecurity and data governance for client operations.

Be seen partnerships BeSEEN initiative indicates a brand and culture focus with openness to external programs; this can be leveraged to offer diversity and inclusion consulting, leadership development, and targeted marketing analytics services to attract and retain talent and clients.

Market positioning Competition from large firms is evident, but Mueller Prost’s emphasis on high-touch client service and lifecycle advisory presents an opportunity to offer bespoke industry-specific offerings, managed services, and scalable outsourcing solutions to mid-sized enterprises seeking personalized attention.

Mueller Prost Tech Stack

Mueller Prost uses 8 technology products and services including QuickBooks, Microsoft Outlook, Modernizr, and more. Explore Mueller Prost's tech stack below.

  • QuickBooks
    Accounting And Finance
  • Microsoft Outlook
    Email
  • Modernizr
    Javascript Libraries
  • Microsoft Word
    Office Suites
  • Piwik
    System Analytics & Monitoring
  • Google Analytics
    Web Analytics
  • Facebook
    Widgets
  • ShareThis
    Widgets

Mueller Prost's Email Address Formats

Mueller Prost uses at least 1 format(s):
Mueller Prost Email FormatsExamplePercentage
FLast@muellerprost.comJDoe@muellerprost.com
75%
First.Last@muellerprost.comJohn.Doe@muellerprost.com
23%
FirstL@muellerprost.comJohnD@muellerprost.com
1%
FirstLast@muellerprost.comJohnDoe@muellerprost.com
1%

Frequently Asked Questions

What is Mueller Prost's phone number?

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You can contact Mueller Prost'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 Prost's official website and social media links?

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Mueller Prost's official website is muellerprost.com and has social profiles on LinkedIn.

How much revenue does Mueller Prost generate?

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

What is Mueller Prost's SIC code NAICS code?

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Mueller Prost's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Mueller Prost have currently?

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As of July 2026, Mueller Prost has approximately 211 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Owner: C. N.Partner: M. D.Partner And Director Of Health Care Services: T. E.. Explore Mueller Prost's employee directory with LeadIQ.

What industry does Mueller Prost belong to?

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Mueller Prost operates in the Accounting industry.

What technology does Mueller Prost use?

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Mueller Prost's tech stack includes QuickBooksMicrosoft OutlookModernizrMicrosoft WordPiwikGoogle AnalyticsFacebookShareThis.

What is Mueller Prost's email format?

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Mueller Prost's email format typically follows the pattern of FLast@muellerprost.com. Find more Mueller Prost email formats with LeadIQ.

When was Mueller Prost founded?

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Mueller Prost was founded in 1983.
Mueller Prost logo

Mueller Prost

AccountingMissouri, United States201-500 Employees

Mueller Prost is a mid-sized accounting firm based in St. Louis, Missouri, offering a full range of professional tax, audit, accounting, and consulting services. The firm emphasizes a proactive approach, seeking out business opportunities to help clients maintain a competitive edge across the business life cycle. It provides high-touch service to both corporate clients and business owners, drawing on practical experience in addition to formal knowledge.

In the accounting industry, Mueller Prost is positioned as a comprehensive service provider with a focus on long-term client relationships and advisory support. The firm has pursued leadership initiatives such as BeSEEN to boost female leadership and announced partner promotions in 2019. The company is based in St. Louis, Missouri, and participates in the local business community with a track record of developing leadership.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1983
Employees
201-500

Section iconFunding & Financials

  • $25M - $50M

    Mueller Prost's revenue is estimated to be in the range of $25M - $50M

Section iconFunding & Financials

  • $25M - $50M

    Mueller Prost's revenue is estimated to be in the range of $25M - $50M

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