iProspect
iProspect began in Boston in 1996 as one of the first search engine marketing firms and is now dentsu's global digital-first media agency, with more than 8,000 media specialists worldwide. It plans and buys paid search, programmatic, paid social, video, retail media and digital out-of-home, and still runs SEO, for clients including Hilton and Hendrick's Gin. Nobody pays to be ranked.
Why it’s hereAn original US search agency, now the digital media flagship of dentsu; owned by dentsu. Number 2 of the digital marketing agencies in the US.
Work they can showHilton. Campaign titled "The TikTok You Stay In" for Hilton hotels. Mitchum. Campaign aimed at gamers, pitched as giving them the power to skip a shower. Hendrick's Gin. Media campaign for the gin brand.
Estimated: $6,000–$18,000/mo, typical for US digital marketing retainers; not a quote.
Typical industry estimate, not a quote from any firm on this list.
A fit forLarge national and global brands that want performance and full-funnel media buying tied to dentsu's customer data and identity platform.
- Based in
- New York, NY
- Founded
- 1996
- Team size
- 500+ people
- Known for
- SEO · paid search · programmatic and paid social · retail media · digital media planning
- Named clients
- Hilton, Hendrick's Gin, Mitchum, Dubai Properties
- Best for
- Large national and global brands that want performance and full-funnel media buying tied to dentsu's customer data and identity platform.
- Selected work
- Estimated cost
Estimated: $6,000–$18,000/mo, typical for US digital marketing retainers; not a quote.
Typical industry estimate, not a quote from any firm on this list.
UpdateA dentsu-owned media agency; in North America it absorbed Merkle's media capabilities under the iProspect name in January 2024.
Sources iprospect.com, dentsu.com · LinkedIn ↗
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