Insights

Expansion potential Grant Thornton’s recent leadership changes in EMEA and strategic acquisition of Stax Inc. indicate ongoing growth and diversification. Sales opportunities exist in offering integration services, cross-border advisory, and due diligence capabilities to support their expanded geographic footprint and expanded service lines.

Digital and security maturity With ISO/IEC 27001, AWS GovCloud, Kubernetes, Rapid7 and other tech used, GT US demonstrates a mature security and cloud posture. There is a sales opening for advanced security operations, cloud optimization, and governance solutions tailored to professional services firms handling sensitive financial data.

Large enterprise readiness GT US employs 10,001+ people and serves 16 industries, indicating high scalability needs and complex client engagements. Opportunities exist to provide enterprise-grade ERP/CRM integration, data analytics, and custom automation to enhance efficiency across multi-industry accounts.

Strategic partnerships The acquisition of Stax Inc. signals a push into strategy consulting and PE-related value creation. Potential upsell for Deloitte-style advisory services could include integration of strategy with tax and audit, as well as joint offerings around due diligence, market entry, and post-merger integration.

Prestige and retention Grant Thornton’s repeated recognition as one of Seramount’s 100 Best Companies and a robust brand presence positions it as a stable client partner. Leverage this by proposing exclusive programs, executive education, or loyalty-based service packages to deepen penetration in mid-market and large corporate accounts.

Grant Thornton (US) Tech Stack

Grant Thornton (US) uses 8 technology products and services including Alteryx Designer, Bombora, Kubernetes, and more. Explore Grant Thornton (US)'s tech stack below.

  • Alteryx Designer
    Advanced Analytics And Data Science
  • Bombora
    Advertising
  • Kubernetes
    Containerization
  • Microsoft Intune
    Enterprise Mobility Management
  • ISO/IEC 27001
    Governance, Risk And Compliance
  • ADP
    Human Resource Management System
  • AWS GovCloud
    Infrastructure As A Service
  • Rapid7
    Security Information And Event Management

Media & News

Grant Thornton (US)'s Email Address Formats

Grant Thornton (US) uses at least 4 format(s):
Grant Thornton (US) Email FormatsExamplePercentage
FLast@grantthornton.comJDoe@grantthornton.com
60%
First.Last@grantthornton.comJohn.Doe@grantthornton.com
34%
FirstLast@grantthornton.comJohnDoe@grantthornton.com
4%
First@grantthornton.comJohn@grantthornton.com
2%
First.Last@gt.comJohn.Doe@gt.com
84%
FLast@gt.comJDoe@gt.com
12%
Last@gt.comDoe@gt.com
3%
Last.First@gt.comDoe.John@gt.com
1%
First.Last@us.gt.comJohn.Doe@us.gt.com
97%
Fir.Last@us.gt.comJoh.Doe@us.gt.com
2%
First.Middle@us.gt.comJohn.Michael@us.gt.com
1%

Frequently Asked Questions

What is Grant Thornton (US)'s phone number?

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You can contact Grant Thornton (US)'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 Grant Thornton (US)'s official website and social media links?

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Grant Thornton (US)'s official website is gt-us.co and has social profiles on LinkedIn.

What is Grant Thornton (US)'s NAICS code?

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Grant Thornton (US)'s NAICS code is 54 - Professional, Scientific, and Technical Services.

How many employees does Grant Thornton (US) have currently?

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As of July 2026, Grant Thornton (US) has approximately 11K employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief People & Culture Officer: J. S.Chief Marketing Officer, Greater China: K. J. 姜.Ea To Ceo: M. C.. Explore Grant Thornton (US)'s employee directory with LeadIQ.

What industry does Grant Thornton (US) belong to?

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Grant Thornton (US) operates in the Professional Services industry.

What technology does Grant Thornton (US) use?

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Grant Thornton (US)'s tech stack includes Alteryx DesignerBomboraKubernetesMicrosoft IntuneISO/IEC 27001ADPAWS GovCloudRapid7.

What is Grant Thornton (US)'s email format?

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Grant Thornton (US)'s email format typically follows the pattern of FLast@grantthornton.com. Find more Grant Thornton (US) email formats with LeadIQ.

When was Grant Thornton (US) founded?

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Grant Thornton (US) was founded in 1924.
Grant Thornton (US) logo

Grant Thornton (US)

Professional ServicesIllinois, United States10001+ Employees

In the United States, Grant Thornton LLP operates under an alternative practice structure in accordance with the AICPA Code and applicable laws, providing attest services through the licensed CPA firm and coordinating tax and business consulting through related entities. Grant Thornton Advisors LLC and its subsidiary entities deliver tax and business consulting services and are not licensed CPA firms. The organization maintains a unified local presence across several countries, including the US and Ireland, supported by a global community of more than 18,000 professionals serving clients in 16 industries.

The Chicago-based firm anchors its operations from 171 North Clark Street, Chicago, Illinois, reflecting a substantial regional footprint within the professional services sector. In August 2025, Grant Thornton announced the acquisition of Stax Inc., a Boston-based strategy consulting firm focused on commercial due diligence, value creation, and exit planning for private equity organizations and their portfolio companies and advisors.

Section iconCompany Overview

Phone number
Website
gt-us.co
NAICS Code
54 - Professional, Scientific, and Technical Services
Founded
1924
Employees
10001+

Section iconFunding & Financials

  • $10B

    Grant Thornton (US)'s revenue is estimated to be in the range of $10B

Section iconFunding & Financials

  • $10B

    Grant Thornton (US)'s revenue is estimated to be in the range of $10B

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