Insights

Growth opportunities Longstanding small to middle market client base in need of advisory services beyond traditional accounting, presenting cross-sell opportunities for mergers and acquisitions, succession planning, organizational structuring, and financial planning.

Tech modernization Client focus on automated accounting systems suggests readiness for cloud-based ERP/automation enhancements, data migration, dashboarding, and internal controls improvements to drive efficiency and accuracy.

Financial health Revenue in the mid single digits to low tens of millions with 11-50 employees signals potential for scale-focused services, including outsourced controller functions, interim CFO support, and cost optimization engagements.

Industries & advis Experience across diverse industries and emphasis on business advisory positions the firm to partner on strategic initiatives like financing, banking relationships, and equity fundraising.

Geographic focus Ellicott City, Maryland base with strong local presence provides a foothold for targeted regional expansions, partnerships with local financial institutions, and referrals within the mid‑Atlantic small business ecosystem.

Source One Business Services, LLC Tech Stack

Source One Business Services, LLC uses 8 technology products and services including Site Kit, gstatic.com, WordPress, and more. Explore Source One Business Services, LLC's tech stack below.

  • Site Kit
    Analytics
  • gstatic.com
    Content Delivery Network
  • WordPress
    Content Management System
  • oEmbed
    Dev Tools
  • jQuery Migrate
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • X-Content-Type-Options
    Web & Portal Technology
  • Microsoft IIS
    Web Servers

Source One Business Services, LLC's Email Address Formats

Source One Business Services, LLC uses at least 1 format(s):
Source One Business Services, LLC Email FormatsExamplePercentage
FLast@s1services.comJDoe@s1services.com
91%
Last@s1services.comDoe@s1services.com
9%

Frequently Asked Questions

What is Source One Business Services, LLC's phone number?

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You can contact Source One Business Services, LLC'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 Source One Business Services, LLC's official website and social media links?

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Source One Business Services, LLC's official website is s1services.com and has social profiles on LinkedIn.

How much revenue does Source One Business Services, LLC generate?

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As of July 2026, Source One Business Services, LLC's annual revenue is estimated to be $1M - $10M.

What is Source One Business Services, LLC's NAICS code?

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Source One Business Services, LLC's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Source One Business Services, LLC have currently?

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As of July 2026, Source One Business Services, LLC has approximately 11 employees across 1 continents, including North America. Key team members include Senior It Consultant - Product Manager: E. M.Associate: M. L.. Explore Source One Business Services, LLC's employee directory with LeadIQ.

What industry does Source One Business Services, LLC belong to?

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Source One Business Services, LLC operates in the Accounting industry.

What technology does Source One Business Services, LLC use?

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Source One Business Services, LLC's tech stack includes Site Kitgstatic.comWordPressoEmbedjQuery MigratejQueryX-Content-Type-OptionsMicrosoft IIS.

What is Source One Business Services, LLC's email format?

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Source One Business Services, LLC's email format typically follows the pattern of FLast@s1services.com. Find more Source One Business Services, LLC email formats with LeadIQ.
Source One Business Services, LLC logo

Source One Business Services, LLC

AccountingMaryland, United States11-50 Employees

Source One Business Services, LLC operates in the accounting sector with a focus on combining traditional accounting and tax services with business advisory work. Based in Ellicott City, Maryland, the firm has grown from its 1986 founding by partners who sought to provide privately owned and middle market clients with access to high-level consulting alongside standard financial services. Its approach centers on helping clients make informed decisions through expert tax guidance and financial planning, while also offering guidance on areas such as mergers and acquisitions, succession planning, organizational structure, human capital, and automated accounting systems. The company positions itself as a full-service adviser that maintains close, personalized relationships with clients to support profitable and prudent business outcomes. The client base is described as small to mid-sized privately owned businesses seeking both accounting support and strategic consulting capabilities.

Section iconCompany Overview

Phone number
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Source One Business Services, LLC's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Source One Business Services, LLC's revenue is estimated to be in the range of $1M - $10M

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