Wake up to your next client, already found — with the first email already written
AI agents track 75+ buying signals to find companies switching software and their decision makers
Stage
Not given
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Founded
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Based in
NL
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Pricing model
Paid
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Pricing
€750 per month plus €350 one-time setup (both excluding VAT). Billed monthly in advance via Stripe. Cancel anytime with no minimum term or notice period.
Free plan: $0 (1 tracked tool, monthly reports); Pro: $149/month or $1,490/year (3 tracked tools, live signals, API); Max: $249/month or $2,490/year (10 tracked tools, unlimited alerts); Extra tracked tools: $49/month each. Work emails: 1 credit each when found.
Key features
Overnight market monitoring of public signals
AI-drafted opening emails in your voice
Manual approval required before sending
Decision-maker identification links
Lead filtering with ruthless rejection
Exportable leads and drafts you own
Customer zone briefing dashboard
No invented facts or guessed email addresses
GDPR compliant processing
Monitor 75+ signals across 1,500+ software tools
Identify companies adopting, dropping or switching software
Access decision makers and verified work emails at every company
Real-time alerts via email, webhook or Slack
MCP integration with Claude, ChatGPT and Cursor
API access with monthly credits
Search, filter and export company lists
Historical data showing when changes occurred
Signal attribution with source and timing
Integration with HubSpot, Salesforce and custom integrations
What makes it different
Ruthless rejection of poor fits: one recent run rejected 74 out of 77 companies
Timing sends to moments when companies have real, fresh news
Uses only public data, no scraped or private information
Built and used by the founder on Coldstart's own outreach
Uses 75+ signals including hiring, DNS and certificates to detect tool usage before it appears on websites
Timing-focused: detects when companies are about to switch, not just who uses tools
Integrates natively into Claude, ChatGPT and Cursor without leaving your workflow
Uses only public data sources, never requires login or data scraping
Dogfooded internally: every feature tested on the founder's own sales pipeline first
Coldstart
Incumbently