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SellSEO vs Datasigma

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

SellSEO compared with Datasigma
Detail SellSEO Datasigma
What it doesFind SEO clients losing money, close them with a video B2B contact data from public web sources with verified emails and source citations
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
PricingFree plan with 25 credits per month. Starter $49/month with 150 credits. Agency $99/month with 500 credits. Scale $199/month with 1,500 credits. Yearly pricing available at ten months for twelve: Starter $490, Agency $990, Scale $1,990. One-time credit top-ups: 250 credits for $29, 600 credits for $ Free plan: 100 credits (one-time). Starter: $99/month with 2,000 credits. Growth: $189/month with 5,000 credits. Pro: $499/month with 15,000 credits. One credit reveals a contact's email and phone number.
Key features
  • Lead Finder: scans any city for local businesses scored on monthly revenue lost to search
  • Video Proposals: generates three to five minute branded videos in 30 to 60 minutes
  • Email Sequences: automated follow-ups from user's own mailbox that stop when prospect replies or books
  • Meeting Booking: booking button on video pages using user's availability and timezone
  • Contact Finder: finds and verifies owner email and phone, charged only when found
  • Audit Pages: white label SEO audit reports for scanned businesses
  • Audit Widget: free audit tool for user's website that captures domain and email
  • AI Visibility: shows what AI assistants recommend in a market instead of the prospect
  • Website Pipeline: board that automatically updates as prospects watch, reply and book
  • AI Integrations: MCP endpoint for Claude or ChatGPT to find leads and order proposals
  • 101M+ verified business contacts indexed from public web sources
  • Source URL citation on every record for verification
  • Real-time email verification and validation
  • Advanced search filters by industry, location, and company size
  • CSV export with verified contact data
  • Exclude existing contacts and suppress lists
  • API access for programmatic data retrieval
  • MCP integration for AI agents
  • CRM and data enrichment integration
  • 2 in 3 contacts not on other prospecting platforms
What makes it different
  • Video proposals built and sent from user's own brand with nothing of SellSEO on them
  • All emails send from user's mailbox so replies return to user and domain reputation carries the mail
  • Booking button on every video page integrates with user's calendar so meetings land automatically
  • Flexible credit system: leads, proposals and audits share credits so users can spend month on videos or leads
  • Most contacts not available on LinkedIn or other prospecting platforms
  • Every contact has a public source URL to verify the data
  • Indexes the open web instead of reselling the same LinkedIn lists
  • Pay only for contacts you actually use
  • Real-time email validation with automatic credit refunds for invalid emails
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)3 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)61
Citation Flow (Majestic)2222
Referring domains (Majestic)126

4 details filled in for both companies.

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