2x Your Results From Paid Advertising
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Powered by Ai with Human Common Sense
We blend machine learning with real-world marketing insights to give your business the edge.
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$20B in Revenue Says It Works
Businesses using Harold's List have generated over $20 billion in revenue and they’re just getting started.
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Local Ads. National Reach.
Whether you're a neighborhood shop or a national brand, we help you show up at the right places at the right time.
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Clicks, Calls, and Conversions All in One Place
We setup your direct-response campaign from start to finish, optimized for your goal.
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Zero Learning Curve. Instant Impact.
We built Harold's List for business owners — not marketers. We do all of the heavy lifting.
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Smarter Spend. Higher Returns.
Optimize every dollar with Ai-driven targeting that learns what works and ditches what doesn’t.
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Made for Businesses Like Yours
Local service pros. E-commerce shops. B2B providers. If you’ve got a product or service, we’ve got the platform.
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Reach Real People. In Real Time.
Connect with your ideal customers while they’re browsing, searching, or scrolling — wherever they are.
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Built to Scale With You
Start small. Grow fast. Whether you’re just getting started or running national campaigns, we’ve got you covered.
Grow With UsA Few Stats...
Decades of Proven Experience
With over 20 years in digital marketing, we’ve seen it all — and we’ve helped businesses grow through every major shift in online advertising.
Over $500 Million in Ad Spend Managed
From local shops to national brands, we've optimized more than half a billion dollars in campaigns, delivering measurable results and meaningful ROI.
Results That Speak for Themselves
Our campaigns routinely outperform industry benchmarks — with click-through rates up to 4x higher and conversion costs slashed by as much as 60%.