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FirstSited vs LeadSleuth

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

FirstSited compared with LeadSleuth
DetailFirstSited logo FirstSitedLeadSleuth logo LeadSleuth
What it doesFind new businesses the week their website goes live AI lead detective that scans public communities daily for buying intent and delivers scored dossiers with sourced outreach drafts
StageNot given MVP
FoundedNot given Not given
Based inGB Not given
Pricing modelFreemium Not given
PricingSolo: £15/month (or $19/month) with 1 alert watch and 3,000 sites per month; Agency: £49/month (or $59/month) with 5 alert watches and 50,000 sites per month; Firehose: £159/month (or $199/month) with unlimited watches and sites. All plans include a 7-day free trial on Solo and Agency. Free during beta with 10 dossiers per day. After beta: Starter $49/month (10 dossiers daily, 1 ICP profile), Growth $99/month (15 dossiers daily, 3 ICP profiles), Scale $199/month (50 dossiers daily, 10 ICP profiles, priority scans).
Key features
  • Alerts for new websites matching keywords, technologies or categories
  • Filter by country or distance from location
  • Delivery by email, Slack or webhook
  • Published contact details for each business
  • Technology and stack detection
  • Spreadsheet downloads
  • API access
  • AI assistant integration
  • Market trend analysis
  • Historical data and browsing
  • Daily scans across Hacker News, Bluesky, GitHub, Dev.to, Lobsters, job postings and competitor pricing pages
  • Intent scoring (0-100) with leads scoring 60+ receiving full dossiers
  • AI-drafted outreach quotes their own words
  • Every claim links to public source with no scraped emails or private databases
  • Warm-path hints including shared communities and past employers
  • AI copilot (Sherla) for answering questions about leads and ICPs
  • Custom research questions per ICP (up to 5)
  • Watchlist for monitoring target accounts
What makes it different
  • Reaches businesses on their website launch week with fresh contact information
  • Passive crawling respects robots.txt without logging in or form-filling
  • Supports geographic filtering with precise distance radius options
  • Captures founding technologies with accurate launch-day snapshots
  • Every claim in dossiers is sourced and verified against public posts with 'unknown' stated rather than guesses
  • Users send all messages themselves; platform never DMs or emails on your behalf
  • Intent-based lead discovery instead of static contact lists or raw keyword mentions
  • Public data only with no scraped emails or private databases
  • Reduces daily prospecting time to ~10 minutes reviewing scored dossiers
Community votes00
DR (Domain Rating by Ahrefs)27 +1 (up) since last check11 +1 (up) since last check
Trust Flow (Majestic)77
Citation Flow (Majestic)4911
Referring domains (Majestic)1323

4 details filled in for both companies.

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