Stamp blog · Apr 2026
Stamp’s official blog published a 2026 comparison piece about AI email assistants, reinforcing the company’s positioning around context, decision load, and workflow completion.
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Stamp (Stamp AI, Inc.) is a San Francisco-based, YC W25-backed AI secretary for email and calendar. It drafts replies in the user’s voice, prioritizes and categorizes inbox traffic, extracts action items, and can take calendar and inbox actions with an approval-first workflow.
Primary product
AI secretary for email and calendar
Founded
2024
Headquarters
San Francisco, California, United States
Team size
1-10
Industry
Software Development
Sub-industry
AI email client / productivity software
Offices
San Francisco, California, United States
Open Positions
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