Insights

Market Expansion Marcum LLP, now part of CBIZ with a strong national presence and over 10,000 employees across multiple major markets, presents significant cross-selling opportunities for tailored accounting, advisory, and financial services in diverse industry segments.

Technology Integration CBIZ's recent launch of innovative AI products like Vertical Vector AI and various digital solutions indicates a focus on leveraging cutting-edge technology, creating prospects for selling advanced software, data analytics, and operational automation tools to enhance client services.

Regulatory Services The company's development of solutions such as the CBIZ Tariff Solution reflects a strategic emphasis on addressing global trade compliance and operational risks, opening avenues for selling compliance consulting, risk management, and regulatory advisory services.

Leadership and Expertise Recent executive hires, including a Chief Investment Officer and a National Leader of Advisory Services, showcase a commitment to expanding high-level advisory capabilities, which can be leveraged to sell premium consulting, strategic planning, and investment advisory packages.

Financial Growth and Opportunities With revenue estimates between 100 million and one billion dollars and ongoing service launches, there is substantial potential for introducing scalable solutions like cloud-based financial tools, customized ERP systems, and industry-specific professional services to growing middle-market clients.

Marcum LLP Tech Stack

Marcum LLP uses 8 technology products and services including Blockchain, Microsoft Visual Studio, IT Glue, and more. Explore Marcum LLP's tech stack below.

  • Blockchain
    Blockchain
  • Microsoft Visual Studio
    Development
  • IT Glue
    Document Management Systems
  • CMMC
    Governance, Risk And Compliance
  • Atlassian Jira
    Issue Trackers
  • Dell
    IT Infrastructure
  • Bitcoin
    Payment Processing
  • Erlang
    Programming Languages

Media & News

Marcum LLP's Email Address Formats

Marcum LLP uses at least 4 format(s):
Marcum LLP Email FormatsExamplePercentage
First.Last@marcumllp.comJohn.Doe@marcumllp.com
94%
Last.First@marcumllp.comDoe.John@marcumllp.com
4%
FLast@marcumllp.comJDoe@marcumllp.com
1%
First@marcumllp.comJohn@marcumllp.com
1%
First.Last@marcumsearch.comJohn.Doe@marcumsearch.com
73%
Last@marcumsearch.comDoe@marcumsearch.com
23%
First.MiddleLast@marcumsearch.comJohn.MichaelDoe@marcumsearch.com
3%
First.Middle@marcumsearch.comJohn.Michael@marcumsearch.com
1%
First.Last@marcumtechnology.comJohn.Doe@marcumtechnology.com
100%
FLast@cbiz.comJDoe@cbiz.com
72%
First.Last@cbiz.comJohn.Doe@cbiz.com
16%
FirstLast@cbiz.comJohnDoe@cbiz.com
8%
FirLast@cbiz.comJohDoe@cbiz.com
4%

Frequently Asked Questions

Where is Marcum LLP's headquarters located?

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Marcum LLP's main headquarters is located at 750 Third Avenue New York, New York 10017 US. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is Marcum LLP's phone number?

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You can contact Marcum LLP'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 Marcum LLP's official website and social media links?

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Marcum LLP's official website is cbiz.com and has social profiles on LinkedIn.

What is Marcum LLP's NAICS code?

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Marcum LLP's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Marcum LLP have currently?

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As of October 2025, Marcum LLP has approximately 1.3K employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Information Security Officer (ciso): L. J.Chief Technology Officer: P. O.Executive Assistant To Chief Executive Officer & Office Manager: D. E. P.. Explore Marcum LLP's employee directory with LeadIQ.

What industry does Marcum LLP belong to?

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Marcum LLP operates in the Accounting industry.

What technology does Marcum LLP use?

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Marcum LLP's tech stack includes BlockchainMicrosoft Visual StudioIT GlueCMMCAtlassian JiraDellBitcoinErlang.

What is Marcum LLP's email format?

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Marcum LLP's email format typically follows the pattern of First.Last@marcumllp.com. Find more Marcum LLP email formats with LeadIQ.

When was Marcum LLP founded?

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Marcum LLP was founded in 1951.
Marcum LLP

Marcum LLP

AccountingNew York, United States1001-5000 Employees

As of November 1, 2024, Marcum has been acquired by CBIZ. CBIZ, Inc. (NYSE: CBZ) is a leading professional services advisor to middle market businesses and organizations nationwide. With unmatched industry knowledge and expertise in accounting, tax, advisory, benefits, insurance, and technology, CBIZ delivers forward-thinking insights and actionable solutions to help clients anticipate what’s next and discover new ways to accelerate growth. CBIZ has more than 10,000 team members across more than 160 locations in 21 major markets coast to coast. For more information, visit www.cbiz.com.

CBIZ works closely with CBIZ CPAs, a national, independent CPA firm. CBIZ CPAs specializes in attest services for middle market and growing businesses in a variety of industries, including technology and life sciences, construction, not-for-profit organizations, manufacturing, retail and distribution. For more information, visit www.cbizcpas.com.

CBIZ is a consulting, tax and financial services provider that works closely with CBIZ CPAs P.C., an independent CPA firm that provides audit, review and other attest services. In certain jurisdictions, CBIZ CPAs P.C. operates under its previous name, Mayer Hoffman McCann, P.C.

View our CBIZ Social Media Community Guidelines here: https://www.cbiz.com/privacy-policy/cbiz-social-media-community-guidelines

Section iconCompany Overview

Headquarters
750 Third Avenue New York, New York 10017 US
Phone number
Website
cbiz.com
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1951
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    Marcum LLP's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Marcum LLP's revenue is estimated to be in the range of $1B$10B

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