What Does Greenhill & Co. Do?

Total employees370
HeadquartersNew York
Founded1996

Greenhill & Co., Inc. is a leading independent investment bank that has been providing financial advice on significant mergers, acquisitions, restructurings, financings, and capital-raising to corporations, partnerships, institutions, and governments globally. Founded in 1996 by Robert F. Greenhill, the firm established a reputation for high-quality, unconflicted advice. In December 2023, Greenhill & Co. was acquired by Mizuho Financial Group, and now operates as the M&A and restructuring advisory business of Mizuho, significantly expanding Mizuho's investment banking capabilities. Greenhill focuses on building long-term client relationships and offers expertise across a wide range of industries.

Where Is Greenhill & Co.'s Headquarters?

HQ Function

Serves as a major center for investment banking advisory services, including M&A, restructuring, and financing advisory, now integrated within Mizuho's global operations.

Notable Features:

Located in the Colgate-Palmolive Building, a prominent Midtown Manhattan skyscraper on Park Avenue, offering modern office facilities typical of leading financial institutions.

Work Culture:

Historically characterized by a demanding, intellectually stimulating environment typical of elite investment banking. Emphasizes client focus, analytical rigor, and teamwork. Post-acquisition, integration with Mizuho's broader corporate culture is ongoing.

HQ Significance:

Historically the global headquarters of Greenhill & Co., establishing its presence in the world's leading financial center. Continues to be a significant office for Mizuho's investment banking division in the Americas.

Values Reflected in HQ: The location and office environment reflect professionalism, discretion, a commitment to excellence, and a prestigious market presence, aligning with Greenhill's historical values of independence and client-centric advice.

Location:

As part of Mizuho, Greenhill's expertise in M&A advisory, restructuring, financing, and capital raising is now integrated into Mizuho's extensive global network. This combines Greenhill's historically strong presence in North America, Europe, and Australia with Mizuho's significant operations across Asia, the Americas, and EMEA. The integrated platform supports clients globally on complex domestic and cross-border transactions across a diverse range of industries.

Street Address:

300 Park Avenue

City:

New York

State/Province:

NY

Country:

USA

Where Else Does Greenhill & Co. Operate Around the World?

London, United Kingdom

Address: Lansdowne House, 57 Berkeley Square, London, W1J 6ER, UK

Serves clients across the UK and Continental Europe, providing specialized investment banking advisory and connecting them to Mizuho's global network.

Frankfurt, Germany

Address: TaunusTurm, Taunustor 1, 60310 Frankfurt am Main, Germany

Acts as a crucial point of contact for clients in one of Europe's largest economies, facilitating access to global capital markets and strategic advisory.

Tokyo, Japan

Address: Otemachi One Tower, 1-2 Otemachi 1-chome, Chiyoda-ku, Tokyo 100-8176, Japan (Mizuho HQ, Greenhill team integrated)

Provides a strong link between Japanese corporates and global M&A opportunities, supported by Greenhill's advisory talent integrated into Mizuho's extensive Japanese network.

Buying Intent Signals for Greenhill & Co.

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Greenhill & Co.? Meet the Executive Team

As of April 2025, Greenhill & Co.' leadership includes:

Scott L. Bok - Chairman, M&A and Restructuring Advisory, Mizuho Financial Group

Who's Investing in Greenhill & Co.?

Greenhill & Co. has been backed by several prominent investors over the years, including:

Mizuho Financial Group (Parent Company)

What Leadership Changes Has Greenhill & Co. Seen Recently?

Hire0
Exits0

The most significant executive change in the last 12 months was the acquisition of Greenhill & Co. by Mizuho Financial Group, completed in December 2023. This led to Scott L. Bok, former Chairman & CEO of Greenhill, transitioning to Chairman of M&A and Restructuring Advisory at Mizuho. Other Greenhill Managing Directors and professionals are reported to be continuing in their roles within the new structure.

Departures

Scott L. Bok, Role as Chairman & CEO of independent Greenhill & Co. ended with acquisition by Mizuho.

New Appointments:

Scott L. Bok, Appointed to lead Mizuho's expanded M&A and Restructuring advisory business.

What Technology (Tech Stack) Is Used byGreenhill & Co.?

Discover the tools Greenhill & Co. uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Greenhill & Co. Email Formats and Examples

Historically, Greenhill & Co. used common corporate email formats such as first initial followed by last name. Following its acquisition by Mizuho, employees are likely transitioning to Mizuho's email system (e.g., firstname.lastname@mizuhogroup.com or regional variations like @us.mizuho-sc.com). Legacy Greenhill emails might have forwarding set up for a transitional period.

flast@greenhill.com (e.g., jdoe@greenhill.com) was a common historical format for Greenhill.

Format

sbok@greenhill.com (example of historical format for Scott Bok; now likely uses a Mizuho email)

Example

65%

Success rate

What's the Latest News About Greenhill & Co.?

Mizuho Financial Group News ReleaseDecember 19, 2023

Mizuho Completes Acquisition of Greenhill & Co.

Mizuho Financial Group announced the successful completion of its acquisition of Greenhill & Co., Inc., an independent investment bank. Greenhill will operate as part of Mizuho, significantly enhancing its M&A and restructuring advisory capabilities globally....more

PR Newswire / Company Press ReleaseMay 22, 2023

Mizuho Financial Group to Acquire Greenhill & Co. for $15 Per Share in Cash

Greenhill & Co., Inc. (NYSE: GHL) and Mizuho Financial Group, Inc. (NYSE: MFG) announced that they have entered into a definitive agreement for Mizuho to acquire Greenhill in an all-cash transaction at a price of $15 per share, reflecting an enterprise value of approximately $550 million, including Greenhill's debt....more

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