Insights

Strategic Acquisition The recent acquisition of Marcum LLP by CBIZ positions the company as part of a larger, more resourceful network, offering expanded opportunities to cross-sell banking, insurance, and broader financial advisory services to middle-market clients.

Technological Innovation With ongoing launches of AI tools like Vertical Vector AI and integrations such as CereTax API platform, there is a significant opportunity to offer tailored tech solutions, automation, and AI-driven advisory services to clients seeking digital transformation in financial processes.

Employee Engagement The introduction of new resources like the Employee Experience Guide and leadership appointments indicates a focus on enhancing employee engagement and HR solutions, creating prospects to bundle employee benefits, retention strategies, and talent management services to HR departments.

Market Expansion As part of a broader national network with a presence across multiple major markets, there are opportunities to expand service offerings to industry-specific sectors such as technology, life sciences, and manufacturing, aligning with their industry expertise and client needs.

Financial Growth With revenues exceeding one billion dollars and a sizable workforce, the company presents a lucrative target for financial advisory, compliance, and risk management solutions, especially tailored for mid-sized organizations aiming to scale efficiently.

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
73%
First.Last@cbiz.comJohn.Doe@cbiz.com
15%
FirstLast@cbiz.comJohnDoe@cbiz.com
8%
FirLast@cbiz.comJohDoe@cbiz.com
4%

Frequently Asked Questions

Where is Marcum LLP's headquarters located?

Minus sign iconPlus sign icon
Marcum LLP's main headquarters is located at 730 3rd Avenue 11th Floor New York, New York 10017 United States. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is Marcum LLP's phone number?

Minus sign iconPlus sign icon
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?

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

What is Marcum LLP's SIC code NAICS code?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
As of March 2026, Marcum LLP has approximately 1.2K employees across 4 continents, including North AmericaAsiaEurope. Key team members include Cio / Consultant: K. M.Cfo Consulting And Managed Accounting Services For Npos: G. C.Chief Information Security Officer (ciso): L. J.. Explore Marcum LLP's employee directory with LeadIQ.

What industry does Marcum LLP belong to?

Minus sign iconPlus sign icon
Marcum LLP operates in the Accounting industry.

What technology does Marcum LLP use?

Minus sign iconPlus sign icon
Marcum LLP's tech stack includes BlockchainMicrosoft Visual StudioIT GlueCMMCAtlassian JiraDellBitcoinErlang.

What is Marcum LLP's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
Marcum LLP was founded in 1951.

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
730 3rd Avenue 11th Floor New York, New York 10017 United States
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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.