Insights

Growth momentum Mueller Prost is a mid-size accounting firm with a revenue range of 25M to 50M and a workforce of 201-500, indicating a stable client base and capacity for expanding services such as advisory, consulting, and industry-specific solutions.

Expanded leadership Recent partner promotions signal leadership expansion and potential opportunities to cross-sell enhanced services, industry expertise, and advisory offerings to current and prospective clients seeking deeper engagement.

BeSEEN initiative The BeSEEN program aimed at boosting female leadership suggests a culture of diversity and inclusion; this could align with clients prioritizing ESG and inclusive governance, opening conversations around sustainability reporting, governance, and related services.

Tech enablement Adoption of QuickBooks, Google Cloud, HubSpot and other tools indicates openness to technology-driven efficiency, data analytics, and cloud-based collaboration — presenting an opportunity to offer advanced analytics, cloud migrations, and automated workflows.

Talent and culture Being recognized as a top place to work with a strong entrepreneurial culture presents a sales angle around client-ready teams, onboarding accelerators, and talent management consulting for middle-market businesses seeking scalable growth and workforce optimization.

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Mueller Prost Tech Stack

Mueller Prost uses 8 technology products and services including QuickBooks, Google Cloud, jQuery, and more. Explore Mueller Prost's tech stack below.

Mueller Prost's Email Address Formats

Mueller Prost uses at least 4 email formats:
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 and NAICS code?

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Mueller Prost's SIC code is 7389 - Business Services, Not Elsewhere Classified and 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 America, Asia and Europe. Key team members include Owner: C. N., Partner: M. D. and 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 QuickBooks, Google Cloud, jQuery, HubSpot, Microsoft Word, Piwik, Adobe Creative Suite and ShareThis.

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

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