
Underfive
Underfive provides AI inbox agents and a unified inbox to automate lead communication, respond to replies, and book meetings for sales teams.
About this profileCompany details: from public sourcesFunding: no announced round on fileOwnership: not yet claimed by the companyScores: measured by named tools; each links to its methodOur rules
About
Underfive builds AI inbox agents that answer every outbound reply in under 5 minutes and book meetings. The platform centralizes replies from various outbound tools into a single unified inbox, allowing AI agents to engage leads instantly with intelligent, context-aware responses, follow up, and schedule meetings. It integrates with CRMs to maintain a comprehensive record of all interactions and outcomes, aiming to streamline lead management for sales teams and lead generation agencies.
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Key facts
- Website
- underfive.ai
- Founded
- 2025
- Employees
- 3
- Business model
- B2B
Tech stack
Detected on underfive.ai, last scanned 4 Nov 2026. Run your own scan
- Frontend
- Astro, Tailwind CSS, Bootstrap
- Analytics
- Microsoft Clarity, LinkedIn Insight Tag
- Support
- Intercom
- CMS / Builders
- Lovable
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Visitor tracking
- reb2b
- Integration capability
- Slack, HubSpot, Intercom
Underfive scores 19. Does yours?
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Frequently asked
Is Underfive trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Underfive is 79 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How many employees does Underfive have?
Underfive has approximately 3 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Underfive


