Insights

Acquisition Backbone Rothstein Kass assets were acquired by KPMG in 2014, indicating integration potential and opportunities to cross-sell audit, tax, and advisory services to a client base connected to a large global firm.

Mid-Market Focus With 51-200 employees and revenue in the hundred millions, the company sits in the mid-market segment, suggesting sales opportunities for scalable tax, assurance, and advisory solutions tailored to growing mid-sized businesses and their evolving compliance needs.

Legacy Relationships The transition of former Rothstein Kass principals and staff to KPMG presents a chance to engage with professionals who have established client relationships and market knowledge that can be leveraged for targeted advisory offerings.

Financial Footprint Reported revenue range indicates substantial client portfolios; coupled with KPMG integration, there may be upsell potential for enhanced audit, risk management, and tech-enabled accounting solutions to improve efficiency and scale.

Competitive Context Operating in a landscape with large firms like Deloitte, PwC, EY and mid-tiers; position sales efforts around integration capabilities, industry-specific solutions, and demonstrated value from KPMG-backed services to win mid-market clients seeking robust, global-quality support.

Similar companies to Rothstein Kass

Rothstein Kass's Email Address Formats

Rothstein Kass uses at least 4 email formats:
Rothstein Kass Email FormatsExamplePercentage
FLast@rkco.comJDoe@rkco.com
91%
First.Last@rkco.comJohn.Doe@rkco.com
5%
FirstLast@rkco.comJohnDoe@rkco.com
3%
FMiddleLast@rkco.comJMichaelDoe@rkco.com
1%

Frequently Asked Questions

What is Rothstein Kass's phone number?

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

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Rothstein Kass's official website is rkco.com and has social profiles on LinkedIn.

How much revenue does Rothstein Kass generate?

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As of August 2026, Rothstein Kass's annual revenue is estimated to be $100M - $250M.

What is Rothstein Kass's SIC code and NAICS code?

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Rothstein Kass'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 Rothstein Kass have currently?

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As of August 2026, Rothstein Kass has approximately 87 employees across 4 continents, including North America, Asia and Europe. Key team members include Partner: S. Y., Interim President: A. S. and Partner: S. F. Explore Rothstein Kass's employee directory with LeadIQ.

What industry does Rothstein Kass belong to?

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Rothstein Kass operates in the Accounting industry.

What is Rothstein Kass's email format?

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Rothstein Kass's email format typically follows the pattern of FLast@rkco.com. Find more Rothstein Kass email formats with LeadIQ.
Rothstein Kass logo

Rothstein Kass

AccountingUnited States51-200 Employees

Rothstein Kass was a United States-based accounting firm operating in the mid-sized segment of the profession. In July 2014, KPMG LLP announced the acquisition of certain assets of Rothstein Kass and admitted most of its former principals and employees into its U.S. practice. The company maintains an online presence at rkco.com.

This development illustrates how a specialized accounting practice can be integrated into a larger firm within the U.S. accounting industry. The available information indicates that Rothstein Kass functioned as an independent entity prior to the acquisition and then became part of KPMG's national network.

Section iconCompany Overview

Phone number
Website
rkco.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    Rothstein Kass's revenue is estimated to be in the range of $100M - $250M

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