Top Business Service Companies in Maryland

Between them, the 14 business service companies on this page cover government (3), accounting (3), reporting (3) and big data (2). They also list work in Baltimore. 14 of them have written a profile you can read before you get in touch.

1. 1

   

   Antietam Call Center

   Antietam Call Center is an answering service in Hagerstown, Maryland. It has provided telecommunications services to clients since 1976.

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   Why #1: Based in Hagerstown, Maryland, USA · Founded 1976, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Abrams, Foster, Nole & Williams, P.A.

   Big Data · Government · Accounting

   Abrams, Foster, Nole & Williams, P.A. is a certified public accounting firm headquartered in Baltimore, Maryland.

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   Why #2: Based in Baltimore, Maryland · Founded 1983, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Beacon

   Medical

   Beacon Services is a collection agency based in Timonium, Maryland. It recovers overdue consumer debts on behalf of businesses and works with clients across the United States.

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   Why #3: Based in Timonium, Maryland · Founded 1995, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

4. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
5. –

   

   Kennedy Services

   Also in Baltimore

   Kennedy Services is a staffing agency in Maryland, certified as a woman-owned minority business enterprise.

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   On record: In business 40+ years, as stated on its own website, read 9 Oct 2026

6. –

   

   Human Advantage

   Baltimore training firm delivering customised corporate courses and seminars with diverse, certified trainers since 1987

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   On record: Founded 1987, as stated on its own website, read 9 Oct 2026

7. –

   

   A Corner Office

   A Corner Office, LLC rents office space and related business services in the historic district of Frederick, Maryland.

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   On record: Based in Frederick, Maryland

8. –

   

   Courthouse Square Office Complex

   Government

   Courthouse Square Office Complex is an office leasing complex in Ellicott City, Maryland, within the Baltimore and Washington corridor.

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   On record: Based in Ellicott City, Maryland

9. –

   

   CRC Salomon

   Reporting · Also in Bethesda and Baltimore

   CRC Salomon, Inc. is a court reporting firm based in Baltimore, Maryland.

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   On record: Based in Baltimore, Maryland

10. –

    

    Graber & Associates

    Accounting · Reporting · Security

    Graber & Associates is a CPA firm in Maryland that serves businesses across the Baltimore area and the wider DMV region.

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    On record: Based in Maryland

11. –

    

    Gross, Mendelsohn & Associates

    Government · Accounting · Science

    CPA and business advisory firm serving businesses, nonprofits and families with accounting, tax, assurance and technology advice

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12. –

    

    Howard Corporate Centre

    Howard Corporate Centre is a business solutions provider in Laurel, Maryland, offering office space and educational resources across the Baltimore-Washington corridor.

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    On record: Based in Laurel, Maryland

13. –

    

    JJFitzgerald Business Consultants

    Big Data · Science

    JJFitzgerald Business Consultants (JJFitzgerald) is a team of business and technology consultants covering a wide range of disciplines.

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    On record: Based in Lexington Park, Maryland

14. –

    

    Katz Abosch

    Katz Abosch is a Maryland accounting firm. Its team provides accounting, tax, financial and management consulting, with the aim of helping clients create, grow and protect the…

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    On record: Based in Maryland

15. –

    

    Keep It Simple Computer Training

    Computer training provider in Maryland offering live online and on-site classes in Microsoft Office, Project and SharePoint

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    On record: Based in southern Maryland

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