Insights

West Coast Growth Withum is expanding its footprint in Southern California and strengthening its West Coast assurance practice, presenting a sales opportunity to offer localized audit, assurance, and advisory services tailored to growing California-based clients.

Strategic Acquisitions Recent acquisitions of Freed Maxick and Farber Hass Hurley broaden Withum’s client base and service capabilities; propose cross-sell of advisory, transfer pricing, and complex accounting services to the expanded client network.

Investment Banking Withum appointing a managing director of investment banking signals a capability and demand for corporate finance, M&A support, and capital advisory; approach mid-market companies seeking strategic financing, sell-side, or buy-side advisory.

Tech-Driven Advisory Withum emphasizes technology-driven services and uses tools like Power BI, DBT, Salesforce, and Workday; identify clients needing digital transformation, data analytics, cloud migration, and integrated ERP/BI solutions to unlock efficiency and insights.

Mid-Mized Scale Withum operates at a sizable mid-market scale (1,001–5,000 employees, revenue $1B–$10B) with a broad geography; target mid-market firms across industries looking for scalable accounting, tax, advisory, and transfer pricing programs.

Similar companies to Withum

Withum Tech Stack

Withum uses 8 technology products and services including Hotjar, Power BI, DBT, and more. Explore Withum's tech stack below.

Media & News

Withum's Email Address Formats

Withum uses at least 4 email formats:
Withum Email FormatsExamplePercentage
FLast@withum.comJDoe@withum.com
92%
First.Last@withum.comJohn.Doe@withum.com
4%
FirstLast@withum.comJohnDoe@withum.com
3%
LFirst@withum.comDJohn@withum.com
1%

Frequently Asked Questions

What is Withum's phone number?

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

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Withum's official website is withum.com and has social profiles on LinkedIn.

How much revenue does Withum generate?

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As of August 2026, Withum's annual revenue is estimated to be $1B - $10B.

What is Withum's SIC code and NAICS code?

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Withum's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Withum have currently?

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As of August 2026, Withum has approximately 3.3K employees across 4 continents, including North America, Asia and Africa. Key team members include Chief Operations Officer: J. S., Chief Marketing Officer: R. M. and President: C. J. Explore Withum's employee directory with LeadIQ.

What industry does Withum belong to?

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Withum operates in the Accounting industry.

What technology does Withum use?

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Withum's tech stack includes Hotjar, Power BI, DBT, Salesforce, MongoDB, Workday, WP Engine and Microsoft Teams.

What is Withum's email format?

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Withum's email format typically follows the pattern of FLast@withum.com. Find more Withum email formats with LeadIQ.

When was Withum founded?

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Withum was founded in 1974.
Withum logo

Withum

AccountingNew Jersey, United States1001-5000 Employees

Withum is a Princeton, New Jersey-based accounting and advisory firm that leverages technology to provide advisory and accounting services to clients. The company operates in the accounting industry and employs between 1,001 and 5,000 people. Its technology stack includes NetSuite ERP, ADP HRMS, Google Analytics Enhanced Ecommerce, OneTrust, PandaDoc, Microsoft Word, reCAPTCHA, and Skype, reflecting a technology-enabled operating model. In 2026, Withum launched Aiwyn Experience, a unified client portal developed with Aiwyn, and has participated in events such as the Microsoft 365 Community Orlando, along with partnerships with organizations like the New Jersey Manufacturing Extension Partnership. It has been identified as an IPA Top 100 firm and was previously known as WithumSmith+Brown PC.

Section iconCompany Overview

Phone number
Website
withum.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1974
Employees
1001-5000

Section iconFunding & Financials

  • $1B - $10B

    Withum's revenue is estimated to be in the range of $1B - $10B

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