Insights

Mid-market footprint Target the Annapolis-Baltimore-Washington corridor and Eastern Shore as the core market, leveraging the firm’s regional focus and long-standing listing in public accounting services to propose scalable audits, tax, and advisory offerings tailored to mid-size clients.

Growing revenue With annual revenue in the 25 to 50 million range, pursue upsell opportunities in tax planning, consulting, and accounting systems, presenting efficiency gains and compliance risk reduction to similar- or larger-scale local firms expanding their finance function.

Service breadth Emphasize cross-sell potential across auditing, tax planning and preparation, bookkeeping, and management advisory services to replace fragmented suppliers and create a unified trusted advisor for clients navigating regulatory changes and growth.

Technology stack Leverage the firm’s existing tech usage (Microsoft Office/Outlook, security primitives, web tools) to position modern cloud-based solutions, workflow automation, and client portals as value adds for efficiency and data security in mid-market engagements.

Relationship depth Highlight the firm’s 50+ year history and regional reputation to win business from growth-stage companies and organizations prioritizing continuity, personalized service, and local knowledge in compliance-heavy industries.

Similar companies to Mullen, Sondberg, Wimbish & Stone, P.A.

Mullen, Sondberg, Wimbish & Stone, P.A. Tech Stack

Mullen, Sondberg, Wimbish & Stone, P.A. uses 8 technology products and services including gstatic.com, CookieYes, Microsoft Outlook, and more. Explore Mullen, Sondberg, Wimbish & Stone, P.A.'s tech stack below.

  • gstatic.com
    Content Delivery Network
  • CookieYes
    Cookie Compliance
  • Microsoft Outlook
    Email
  • Floating UI
    Javascript Libraries
  • Microsoft
    Miscellaneous
  • Google
    Search Engines
  • reCAPTCHA
    Security
  • HSTS
    Security

Mullen, Sondberg, Wimbish & Stone, P.A.'s Email Address Formats

Mullen, Sondberg, Wimbish & Stone, P.A. uses at least 1 format(s):
Mullen, Sondberg, Wimbish & Stone, P.A. Email FormatsExamplePercentage
FLast@mswspa.comJDoe@mswspa.com
98%
F.Last@mswspa.comJ.Doe@mswspa.com
2%

Frequently Asked Questions

What is Mullen, Sondberg, Wimbish & Stone, P.A.'s phone number?

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You can contact Mullen, Sondberg, Wimbish & Stone, P.A.'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 Mullen, Sondberg, Wimbish & Stone, P.A.'s official website and social media links?

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Mullen, Sondberg, Wimbish & Stone, P.A.'s official website is mswspa.com and has social profiles on LinkedIn.

How much revenue does Mullen, Sondberg, Wimbish & Stone, P.A. generate?

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As of July 2026, Mullen, Sondberg, Wimbish & Stone, P.A.'s annual revenue is estimated to be $25M - $50M.

What is Mullen, Sondberg, Wimbish & Stone, P.A.'s SIC code NAICS code?

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Mullen, Sondberg, Wimbish & Stone, P.A.'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 Mullen, Sondberg, Wimbish & Stone, P.A. have currently?

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As of July 2026, Mullen, Sondberg, Wimbish & Stone, P.A. has approximately 31 employees across 2 continents, including North AmericaEurope. Key team members include Partner: E. M.Partner: J. K.Staff Accountant: A. G.. Explore Mullen, Sondberg, Wimbish & Stone, P.A.'s employee directory with LeadIQ.

What industry does Mullen, Sondberg, Wimbish & Stone, P.A. belong to?

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Mullen, Sondberg, Wimbish & Stone, P.A. operates in the Accounting industry.

What technology does Mullen, Sondberg, Wimbish & Stone, P.A. use?

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Mullen, Sondberg, Wimbish & Stone, P.A.'s tech stack includes gstatic.comCookieYesMicrosoft OutlookFloating UIMicrosoftGooglereCAPTCHAHSTS.

What is Mullen, Sondberg, Wimbish & Stone, P.A.'s email format?

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Mullen, Sondberg, Wimbish & Stone, P.A.'s email format typically follows the pattern of FLast@mswspa.com. Find more Mullen, Sondberg, Wimbish & Stone, P.A. email formats with LeadIQ.

When was Mullen, Sondberg, Wimbish & Stone, P.A. founded?

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Mullen, Sondberg, Wimbish & Stone, P.A. was founded in 1955.
Mullen, Sondberg, Wimbish & Stone, P.A. logo

Mullen, Sondberg, Wimbish & Stone, P.A.

AccountingMaryland, United States11-50 Employees

Mullen, Sondberg, Wimbish & Stone, P.A. is a public accounting firm founded in 1955 and based in Annapolis, Maryland, serving the broader Annapolis–Baltimore–Washington metropolitan area and the Eastern Shore. The firm provides a range of services typical of its industry, including auditing, tax planning and preparation, accounting systems and bookkeeping, and management advisory and other business consulting assistance. Its client base spans a variety of organizations in need of financial scrutiny, compliance support, and strategic guidance, addressing issues related to financial reporting, tax optimization, and operational efficiency. With a long-standing presence in the region and a focus on professional accounting services, the practice positions itself as a local partner for businesses seeking reliability and breadth in financial services.

Section iconCompany Overview

Phone number
Website
mswspa.com
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1955
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Mullen, Sondberg, Wimbish & Stone, P.A.'s revenue is estimated to be in the range of $25M - $50M

Section iconFunding & Financials

  • $25M - $50M

    Mullen, Sondberg, Wimbish & Stone, P.A.'s revenue is estimated to be in the range of $25M - $50M

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