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United States

Grant Thornton LLP is the US member firm of Grant Thornton International Ltd, one of the world’s leading organisations of independent audit, tax and advisory firms. The firm was founded in 1924 as Alexander Grant & Co. In 1980, we joined with other international accounting firms to form Grant Thornton International Ltd. Our people and our services are built around our clients’ locations, service needs and industries. Collaboration and coordination across the geographic, service-line/industry matrix enables us to provide the personalised attention and a high level of client service for which Grant Thornton is known. 
“We unite with all Grant Thornton member firms in ‘living’ our global values: unite through global collaboration, demonstrate leadership in all we do, promote a consistent culture of excellence, act with agility, ensure deep respect for people and take responsibility for our actions. For all member firms, integrity and excellence are consistent, cultural values.”

Seth Siegel, CEO

8,921
People
52
Offices
615
Partners

Key contacts

Seth Siegel
Seth Siegel
Chief Executive Officer
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David Hazels
David Hazels
National managing partner, advisory services
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Janet Malzone
Janet Malzone
National managing partner, audit services
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Renato Zanichelli
Renato Zanichelli
National managing partner, tax services
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Global strength

Grant Thornton is one of the world’s leading organisations of independent assurance, tax and advisory firms. With more than 62,000 Grant Thornton people, across over 130 countries, we are focused on making a difference to clients, colleagues and the communities in which we live and work.

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Why Grant Thornton

Our clients get more one-on-one time with our partners and faster responses to the critical issues that impact their operation. With more on-the-ground time on site, our partners gain valuable knowledge about our clients’ environment.

We’re a big organisation. Our clients can expect the resources, skills and experience of a much larger firm, but with the accessibility and attention of a much smaller firm.

Awards

Grant Thornton is an award-winning globally recognised professional services network. Here are some of our awards:

Universum Most Attractive Employers 2020
Universum Most Attractive Employers 2020
Universum Top 50 Employer for Diversity & Inclusion 2019
Universum Top 50 Employer for Diversity & Inclusion 2019