M Booth: New York Communications Agency Profile

Originally published May 2021. Updated October 14, 2026.

What is M Booth?

M Booth is a New York communications agency founded by Margi Booth and owned by Next 15 since 2008 or 2009. It describes itself as a mid-sized, people-first agency that produces culturally resonant campaigns.

Who leads M Booth?

The Holmes Report announced in 2013 that Ketchum senior partner Dale Bornstein would become CEO as founding CEO Margi Booth moved to chairman, and Booth said she wanted a hands-on chairman role. PRWeek's 2023 report said Bornstein marked ten years at the firm and Booth was its active working chair. COO Joe Hamrahi left in March 2023 after 19 years, per PRWeek.

How big is M Booth?

In 2013 the Holmes Report put the firm at about 100 people and $17 million in revenue. PRWeek's 2023 report said headcount rose slightly to 273 and staff turnover was 23%, with growth of more than 9% in 2022. PRovoke reported that the wider Booth Group, including M Booth Health, had $85 million in revenue, and that M Booth Health grew more than 30% the previous year.

What is M Booth Health?

Next 15 announced in September 2019 that it acquired the U.S. division of Health Unlimited, including the consultancy Corkery Group, which was rebranded M Booth Health and reports to M Booth CEO Dale Bornstein. Timothy Bird and his U.S. management team continued to lead it.

What does M Booth do?

The agency describes award-winning integrated marketing programs through digital, social, earned and experiential channels, plus an entertainment marketing and strategic partnerships team. A jobs directory says it launched an AI-powered methodology called Culture Mark. EPR's PR leaders directory covers related executives.

How does M Booth compare with other consumer PR firms?

M Booth is a network-owned consumer and corporate agency, so compare it with Ruder Finn, HUNTER and Punch PR.

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Related: PR agency profiles, PR leaders directory, New York PR firms