AGENCY LIST

Hhcc

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Driving growth with decision science and creative branding

Hill Holliday operates as a change agent, focusing on driving growth through specialized verticals in healthcare, media, decision science, business innovation, social production, and 360 branding. The agency integrates world-class strategy into a unified team, offering services such as brand strategy, research, social strategy, and communications planning.

Their core services include award-winning creative work, media planning and buying, and decision science, which encompasses marketing analytics, consumer research, and media mix modeling. Hill Holliday's Soci-Studios provides high-volume content creation for social and digital platforms, enhancing brand relevance and cultural impact.

Notable projects include collaborations with brands like the Boston Celtics, BMW Motorrad, Cadillac, and Dunkin'. Hill Holliday's approach is to solve business problems unselfishly, ensuring that their creative solutions are unique and tailored to each brand's needs.

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SERVICES

Capabilities

Category

Advertising

Services

Agency details

Team size
201-500 people

About this agency on Agency List

Hhcc holds an Agency List Score of 96 out of 100.

That score is higher than 92% of the 36,920 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed Hhcc in September 2026, reading 4 pages published on hhcc.com.

The score reflects what Hhcc had published by that date; anything published since has not been read.

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