Horizon Media
Horizon Media is the largest independent media agency in the United States, founded in New York in 1989 by Bill Koenigsberg, who remains its owner and CEO. It plans and buys television, streaming, audio, digital and out-of-home media for national advertisers under the philosophy 'Business is Personal', with offices in New York and Los Angeles and billions of dollars in annual billings. Nobody pays to be ranked.
Why it’s hereIndependent and founder-owned; the largest U.S. media agency outside the holding companies. Number 12 of the advertising agencies in the US.
Who leads itBill Koenigsberg, Founder and CEO.
Estimated: $8,000–$30,000/mo, typical for US advertising retainers; not a quote.
Typical industry estimate, not a quote from any firm on this list.
A fit forLarge advertisers that want media planning and buying from an independent agency outside the big holding companies, led by the same founder-CEO for over 20 years.
- Based in
- New York, NY
- Founded
- 1989
- Team size
- 500+ people
- Led by
- Bill Koenigsberg, Founder and CEO
- Known for
- media planning and buying · broadcast and streaming · analytics · independent media agency
- Best for
- Large advertisers that want media planning and buying from an independent agency outside the big holding companies, led by the same founder-CEO for over 20 years.
- Estimated cost
Estimated: $8,000–$30,000/mo, typical for US advertising retainers; not a quote.
Typical industry estimate, not a quote from any firm on this list.

Sources horizonmedia.com, en.wikipedia.org, beet.tv
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