Insights

Acquisition Alignment With Marcum LLP now acquired by CBIZ, identify cross-sell opportunities into CBIZ’s broader services such as tax, advisory, benefits, insurance, and technology to existing Marcum clients, leveraging CBIZ’s national scale and industry expertise.

Mid-Market Growth Target CBIZ’s mid-market client base to offer enhanced accounting, attest, and advisory services where Marcum’s domain expertise can complement CBIZ’s capabilities, focusing on technology, life sciences, construction, and manufacturing sectors.

Technology Upsell Promote CBIZ’s technology-enabled solutions and data analytics offerings to Marcum clients using platforms like Azure Synapse and Oracle HCM Cloud, positioning integrated systems, automation, and AI-driven insights as value drivers.

Global Expansion Leverage CBIZ’s international push, including India operations, to present Marcum clients with scalable global delivery, offshore support, and expanded compliance capabilities to support multinational growth.

Talent & Efficiency Offer CBIZ’s workforce management and outsourcing services (e.g., Kronos, N-central) to Marcum clients seeking optimization of payroll, HR processes, and IT operations, highlighting potential cost savings and productivity gains.

Marcum LLP Tech Stack

Marcum LLP uses 8 technology products and services including Azure Synapse Analytics, NoSQL, Microsoft Transact-SQL, and more. Explore Marcum LLP's tech stack below.

  • Azure Synapse Analytics
    Big Data Processing
  • NoSQL
    Database
  • Microsoft Transact-SQL
    Database Management
  • N-central
    Enterprise Mobility Management
  • Kronos Workforce Ready
    Human Capital Management
  • Oracle HCM Cloud
    Human Resource Management System
  • Cisco Meraki
    Network Hardware
  • UNIX Shell
    Operating Systems

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
95%
Last.First@marcumllp.comDoe.John@marcumllp.com
4%
FLast@marcumllp.comJDoe@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
73%
First.Last@cbiz.comJohn.Doe@cbiz.com
16%
FirstLast@cbiz.comJohnDoe@cbiz.com
7%
FirLast@cbiz.comJohDoe@cbiz.com
4%

Frequently Asked Questions

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 SIC code NAICS code?

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Marcum LLP's SIC code is 7389 - Business Services, Not Elsewhere Classified 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 July 2026, Marcum LLP has approximately 1.1K employees across 4 continents, including North AmericaAsiaEurope. Key team members include Cio / Consultant: K. M.Chief Human Capital Officer: C. D.President And Head Historian: C. J.. 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 Azure Synapse AnalyticsNoSQLMicrosoft Transact-SQLN-centralKronos Workforce ReadyOracle HCM CloudCisco MerakiUNIX Shell.

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 logo

Marcum LLP

AccountingNew York, United States1001-5000 Employees

Marcum LLP is an accounting firm based in New York, located at 730 3rd Avenue, 11th Floor, New York, NY 10017, United States. On November 1, 2024, Marcum LLP was acquired by CBIZ, Inc., a national professional services firm serving middle market businesses and organizations. CBIZ provides services in accounting, tax, advisory, benefits, insurance, and technology, and employs more than 10,000 people across more than 160 locations in 21 major markets. The CBIZ organization operates CBIZ CPAs, a national independent CPA firm offering attest services for middle market and growing businesses across various industries; in certain jurisdictions, CBIZ CPAs P.C. operates under Mayer Hoffman McCann, P.C. Marcum LLP has a workforce of between 1,001 and 5,000 employees. More information about CBIZ is available at cbiz.com.

Section iconCompany Overview

Phone number
Website
cbiz.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
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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