AGENCY LIST

Source One Business Services

Ellicott City, Maryland, United States
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CPA, advisory, and IT services for construction and trade industries

Source One Business Services provides CPA, advisory, and information technology services tailored for privately controlled businesses in the construction, trade, and service industries. Founded in 1986 by a group of accountants, the firm has grown to become a respected name in the Mid-Atlantic region, focusing on delivering value through a consultative approach.

Their core services include audit and assurance, tax planning and preparation, business consulting, and technology support. Source One emphasizes understanding the complexities of their clients' industries to offer strategic guidance and support, ensuring compliance and operational efficiency.

With a mission to be the primary source of guidance for their clients, Source One Business Services has built a reputation for integrity and a commitment to solving problems. They continue to expand their team and services to meet the evolving needs of their clients, supporting many well-known names in the region.

40
YEARS IN BUSINESS
1
SERVICES

Capabilities

Category

IT Services and Support

Services

What these services involve

Managed IT Services
Managed IT Services for it services and support buyers. Clear scope, measurable outcomes, and reliable delivery.

Agency details

Team size
51-200 people
Founded
1986 (40 years)

How Source One Business Services scores 43 on Agency List

The Agency List Score rates each listing out of 100 across four equally weighted areas. It measures the strength of the agency's listing and public signals — not the quality of its work.

Presence & Maturity

25 / 25

How complete and how recently maintained this listing is.

  • Has a detailed written overview.
  • Has a tagline summarising what the agency does.
  • 6 of the core profile fields are filled in.
  • Profile details were updated recently.
  • Founding year on record (1986).

Relevance & Capability

9 / 25

How clearly the agency's specialism and services are classified.

  • Assigned to a primary category.
  • No individual services listed.

Credibility & Trust

9 / 25

Contactability and verification signals that show a real business.

  • Listing ownership is not yet verified.
  • A working website is on record.
  • No contact address on record.
  • A phone number is on record.
  • Location is on record.

Authority & Proof

0 / 25

Independent proof of work: reviews, published projects and awards.

  • No published reviews yet.
  • No published project work yet.
  • No awards recorded.

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About this agency on Agency List

Source One Business Services is listed on Agency List as part of our global directory of professional agencies. Profiles are compiled using a combination of agency-submitted information, publicly available data, and Agency List classification systems.

This page reflects the most current information available for Source One Business Services and may evolve as additional data is verified or updated.

Local context

Source One Business Services operates in Ellicott City, Maryland, United States serving clients locally and beyond. Agency List organizes firms by geography to help buyers understand the distribution of agencies across regions and markets.

Service markets

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Country

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Data notes

Profile information is derived from agency submissions and public sources. Some attributes may be estimated and are updated over time as additional data becomes available.