Seiden Advertising

New York, New York, United States

Mission-driven brand building with creative and media expertise

Seiden Advertising is a mission-driven agency based in Manhattan, focusing on building brands that aim to make the world better. The agency collaborates with a diverse range of clients who share this mission, delivering creative, media, and strategic solutions to achieve real results.

The agency offers a variety of services including brand identity, campaign and content creation, media planning and buying, and data-driven strategy and analytics. Their approach combines creativity with solid planning and analytics to ensure effective brand storytelling and high-quality content production.

Seiden has worked on notable campaigns such as the 125th anniversary campaign for St. Bernards Healthcare and has collaborated with clients like NewYork-Presbyterian and InteliSwab. The team is led by experienced professionals who bring expertise from various industries, ensuring innovative and impactful marketing solutions.

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SERVICE

Capabilities

Agency details

Team size
51-200 people

About this agency on Agency List

Seiden Advertising holds an Agency List Score of 73 out of 100.

That score is higher than 32% 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 Seiden Advertising in September 2026, reading 6 pages published on seidenadvertising.com.

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

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