DKC (Dan Klores Communications): NYC PR Firm Profile

DKC, formerly Dan Klores Communications, is a New York public relations, marketing and communications firm founded in 1991 by Dan Klores. Acceleration Community of Companies (ACC) acquired a majority stake in September 2024, and Sean Cassidy leads the firm as CEO with Matthew Traub as president. It serves brands, institutions and cultural properties across public relations, crisis, public affairs, creative and social work.

Originally published June 2026. Updated October 17, 2026.

Who founded and leads DKC?

Dan Klores founded the firm in New York in 1991 after working at Howard J. Rubenstein Associates, according to Wikipedia. In the ACC announcement Cassidy said he was appointed to lead the company by Klores 20 years earlier and would hold the CEO title after the deal. MediaPost identified Matt Traub as president and COO.

What happened in the ACC deal?

ACC, formed in 2018 by Michael Nyman, announced a majority stake in DKC in September 2024, with Loeb & Loeb advising DKC. ACC described DKC as one of the top 10 independent PR agencies in the U.S. and said the deal was its sixth acquisition. Cassidy said joining ACC would give clients access to a broader range of marketing and communications capabilities. Other ACC firms named by MediaPost include MKG, Pink Sparrow, Stripe Theory, Pixly and Trailblaze.

What does DKC do?

Loeb & Loeb lists public relations, crisis communications, public affairs, creative services, social media strategy, influencer relations and data-driven insights. A press profile adds specialist offerings including DKC Analytics, DKCulture, DKC Campus and DKC Impact, a pro bono program for small nonprofits. EPR's crisis PR page covers the discipline.

Which clients has DKC worked with?

MediaPost named TikTok, BMW, Airbnb, Indeed, Clear, the Big East Conference, Delta Air Lines and the National Basketball Association as brands the agency works with. These are as reported at the time of the 2024 deal.

How does DKC compare with other New York PR firms?

DKC is a mid-sized New York firm now inside a larger marketing group. Compare it with Finn Partners, Ruder Finn, MikeWorldWide and Polk & Co., and see EPR's New York PR firms list. The DKC tag page collects EPR coverage.

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Related: PR agency profiles, New York PR firms, Finn Partners, MikeWorldWide, 5W Public Relations