Insights

SMB advisory focus Target formerly underserved privately-owned small to mid-market businesses that need access to high-level business consulting alongside traditional accounting and tax services, highlighting Source One’s strength in M&A, succession planning, organizational structuring, and financing guidance.

Cross-sell advisory Leverage existing client relationships to cross-sell business advisory services such as automated accounting system implementation, human capital strategy, and bank and equity financing support, expanding revenue per client.

Growth readiness Position Source One as a partner for growth-oriented firms undergoing ownership transitions, strategic reorganizations, or financing events, aligning services with client needs during acquisitions, restructurings, or capital raises.

Tech-enabled efficiency Emphasize capabilities in automated accounting systems and data-driven decision support, appealing to mid-market clients seeking scalable technology stacks, improved reporting, and better financial planning.

Local footprint advantage Highlight personalized service, long-standing client relationships, and a nimble, lower-volume model to win clients who value close advisor access and tailored solutions over large firm scalability.

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Source One Business Services, LLC Tech Stack

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

  • gstatic.com
    Content Delivery Network
  • Content Management System
  • MySQL
    Database
  • Font Awesome
    Font Scripts
  • jQuery Migrate
    Javascript Libraries
  • Office Suites
  • Google Analytics
    Web Analytics
  • Apache
    Web Servers

Source One Business Services, LLC's Email Address Formats

Source One Business Services, LLC uses at least 2 email formats:
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. and 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 gstatic.com, WordPress, MySQL, Font Awesome, jQuery Migrate, Office 365, Google Analytics and Apache.

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

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