Insights

Growth potential Mid-sized accounting firm with revenue between 10 and 25 million and a client focus on not-for-profits, closely held businesses, and sophisticated personal tax issues presents opportunities for expanded outsourcing, advisory services, and wealth planning solutions to scale alongside their client base.

Technology modernization Current tech stack includes QuickBooks, AWS, Microsoft 365, and analytics tools; position to offer cloud migration, ERP integration, data analytics, and security/compliance enhancements to improve efficiency and financial reporting accuracy.

Talent and training Regular client training and education programs indicate interest in knowledge transfer; propose scalable training platforms, CPA/EA credential support, and blended learning services to deepen client relationships and create recurring revenue streams.

Regulatory focus Expertise in IRS problem resolution and complex tax issues suggests a need for proactive tax planning services, year-round compliance programs, and estate/succession planning offerings to expand advisory revenue.

Growth avenues Competitive landscape with large firms nearby; emphasize niche specialization in not-for-profits and sophisticated asset management to differentiate, while exploring partnerships for expanded services in tax, valuation, and business advisory.

Similar companies to Hayes & Slunaker, LLP.

Hayes & Slunaker, LLP. Tech Stack

Hayes & Slunaker, LLP. uses 8 technology products and services including QuickBooks, Matomo, iCIMS, and more. Explore Hayes & Slunaker, LLP.'s tech stack below.

Hayes & Slunaker, LLP.'s Email Address Formats

Hayes & Slunaker, LLP. uses at least 2 email formats:
Hayes & Slunaker, LLP. Email FormatsExamplePercentage
Last@mwstlcpa.comDoe@mwstlcpa.com
92%
F.Last@mwstlcpa.comJ.Doe@mwstlcpa.com
8%

Frequently Asked Questions

What is Hayes & Slunaker, LLP.'s phone number?

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

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Hayes & Slunaker, LLP.'s official website is mwstlcpa.com and has social profiles on LinkedIn.

How much revenue does Hayes & Slunaker, LLP. generate?

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As of September 2026, Hayes & Slunaker, LLP.'s annual revenue is estimated to be $10M - $25M.

What is Hayes & Slunaker, LLP.'s SIC code and NAICS code?

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Hayes & Slunaker, 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 Hayes & Slunaker, LLP. have currently?

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As of September 2026, Hayes & Slunaker, LLP. has approximately 13 employees across 1 continents, including North America. Key team members include Firm Administrator: J. W. and Accountant: J. M. Explore Hayes & Slunaker, LLP.'s employee directory with LeadIQ.

What industry does Hayes & Slunaker, LLP. belong to?

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Hayes & Slunaker, LLP. operates in the Accounting industry.

What technology does Hayes & Slunaker, LLP. use?

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Hayes & Slunaker, LLP.'s tech stack includes QuickBooks, Matomo, iCIMS, Amazon Web Services, Microsoft 365, AOS, Lua and Piwik PRO Core.

What is Hayes & Slunaker, LLP.'s email format?

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Hayes & Slunaker, LLP.'s email format typically follows the pattern of Last@mwstlcpa.com. Find more Hayes & Slunaker, LLP. email formats with LeadIQ.

When was Hayes & Slunaker, LLP. founded?

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Hayes & Slunaker, LLP. was founded in 2002.
Hayes & Slunaker, LLP. logo

Hayes & Slunaker, LLP.

AccountingMissouri, United States11-50 Employees

Hayes & Slunaker, LLP, formerly Martz & Wilson, LLP, is an accounting firm founded in 2002 and based in Saint Louis, Missouri. The firm provides a broad range of accounting and tax services, including IRS problem resolution, estates and trusts, business formation, financial planning, real estate and business sales, and business valuation, with a particular emphasis on servicing not-for-profit organizations, closely held businesses, and individuals with complex tax needs. Clients are supported by experienced partners and senior management who aim to deliver accurate, consistent financial reporting and strategic planning to address both business and personal financial requirements. The practice focuses on combining technical expertise with personalized service to help clients navigate evolving tax laws and industry regulations. Hayes & Slunaker operates from its location in Brentwood, Missouri, and serves a diverse client base within the accounting sector.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
2002
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Hayes & Slunaker, LLP.'s revenue is estimated to be in the range of $10M - $25M

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