What is H/Advisors – U.S.'s phone number?

You can contact H/Advisors – U.S.'s main corporate office by phone at +1-212-371-****.

What is H/Advisors – U.S.'s official website and social media links?

H/Advisors – U.S.'s official website is h-advisors.global. H/Advisors – U.S. has social profiles on LinkedIn.

How much revenue does H/Advisors – U.S. generate?

H/Advisors – U.S.'s annual revenue is estimated to be $100M - $250M.

How many employees does H/Advisors – U.S. have currently?

H/Advisors – U.S. has approximately 89 employees.

What industry does H/Advisors – U.S. belong to?

H/Advisors – U.S. operates in the Public Relations and Communications Services industry.

What technology does H/Advisors – U.S. use?

H/Advisors – U.S.'s tech stack includes Google, Cloudflare CDN, Microsoft Excel, WPML, ProcessWire.

When was H/Advisors – U.S. founded?

H/Advisors – U.S. was founded in 1984.

What is H/Advisors – U.S.'s NAICS code?

H/Advisors – U.S.'s NAICS code is 54182 (Public Relations Agencies).

H/Advisors – U.S. Email Formats	Example	Percentage
First.Last@abmac.com	John.Doe@abmac.com	45%
FL@abmac.com	JD@abmac.com	29%
FLast@abmac.com	JDoe@abmac.com	19%
Last@abmac.com	Doe@abmac.com	7%
First.Last@h-advisors.global	John.Doe@h-advisors.global	100%

H/Advisors – U.S.

Public Relations and Communications ServicesNew York, United States51-200 Employees

The Abernathy MacGregor Group provides strategic counsel in public relations and communications, focusing on stakeholder communications and engagement for CEOs, board members, and senior executives. For more than four decades, the firm has helped clients across sectors build, protect, and enhance reputations while addressing challenges and pursuing opportunities. It collaborates with clients and other advisers to design and execute communications programs that align with strategic objectives; the firm is based in New York City and operates offices in several U.S. cities as part of H/Advisors. 

The company sits within the public relations and communications industry and is part of H/Advisors, a global network aligned with Havas. Its core practice areas include crisis and reputation management, corporate and investor communications, litigation, M&A and shareholder activism, public affairs, ESG, and transformation. Recent developments include leadership changes in 2024, with Tod Donhauser appointed Managing Director and Head of the San Francisco office.

Insights

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H/Advisors – U.S. Tech Stack

Media & News

H Advisors Limited hires Tom McAlister as head of corporate reputation in New York on Oct 20th '26, where he leads the development of its corporate reputation offering in a newly created role.

On Jul 4th '26, H Advisors Limited promotes Arielle Schwab from CEO of its Paris office to global co-CEO in France.

On Jun 25th '26, Chambers and Partners recognizes H Advisors Limited for the sixth consecutive year as a leading communications firm for Litigation Support and Crisis & Risk Management, a distinction held by only 0.5% of U.S. professional advisory firms.

In Jun '26, H Advisors Limited launches an office in Poland, marking its entry into the Polish market.

H Advisors Limited names Carina Davidson chief executive of its US operations in the United States on Jun 4th '26, following her service as interim CEO and president and nearly 30 years of leadership roles at the firm.

H Advisors Limited appoints Kevin Johnston as Senior Counsel.

H Advisors Limited hosts Tech Summit 2026 at its Havas Village headquarters in King's Cross, United Kingdom, on Apr 27th '26; Bright Blue and the Fabian Society jointly organise the event.

H/Advisors – U.S.'s Email Address Formats

Frequently Asked Questions