Tier 1: Ad Intelligence Platforms (Best for Ad Agencies)
These show you WHO is running ads and HOW MUCH they're spending. Gold for prospecting.
| Platform |
Best For |
Price |
Key Data |
| BigSpy |
Meta, TikTok ads |
$99/mo |
Ad creatives, duration |
| SpyFu |
Google Ads, SEO |
$79/mo |
PPC spend, keywords |
| Semrush |
Full competitive intel |
$129/mo |
Traffic, ads, backlinks |
| SimilarWeb |
Traffic analysis |
$199/mo |
Channel mix, referrals |
| AdBeat |
Display ads |
$249/mo |
Publishers, networks |
Tier 2: B2B Contact Databases
Direct contact info for marketing decision-makers.
| Platform |
Best For |
Price |
Email Accuracy |
| Apollo.io |
SMB outreach |
Free-$99/mo |
85%+ |
| ZoomInfo |
Enterprise targets |
$15k+/year |
95%+ |
| Lusha |
Direct dials |
$79/mo |
90%+ |
| Hunter.io |
Email finding |
$49/mo |
92%+ |
| Snov.io |
Budget outreach |
$39/mo |
88%+ |
Tier 3: Free/Scraping Sources
Meta Ad Library (Free)
- com/ads/library - See all active ads by any advertiser
- Filter by country, platform, date range
- Shows when ads started (find new advertisers)
- Pro move: Search by category + "started running" in last 30 days = new ad accounts to target
Google Ads Transparency Center (Free)
- google.com
- See all Google ads by any verified advertiser
- Shows ad format, regions, date ranges
LinkedIn Sales Navigator ($99/mo)
- Filter: Title contains "Marketing Director" OR "Head of Growth" OR "CMO"
- Filter: Company headcount 11-500 (sweet spot for agencies)
- Filter: Industry = your target verticals