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Inbox Zero

Inbox Zero

Private
—Enterprise Softwarehttps://www.getinboxzero.com/

Last Round

Accelerator

May 1, 2025

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Inbox Zero is a business/productivity software company that provides an AI-powered email management platform for inbox organization, automated sorting, and reply drafting.

Sector

Enterprise Software

Verticals

Workflow Automation, Enterprise Communication

Business Model

B2B

Customer Profile

Subscription SaaS

AI Layer

Application

Keywords

email managementinbox zeroemail declutteremail productivityemail assistantai emailunsubscribe toolemail cleanupworkflow automationsaas productivityai copilotai agentemail triagesoc 2 compliance

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Inbox Zero Comparables

Compare Inbox Zero with similar companies based on industry and business-model similarity.

Inbox Zero comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Clean Email
88%
Trimbox
83%
AgainstData
81%

Inbox Zero Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorMay 1, 2025

Key People

Founding team and executive leadership

Eliezer Steinbock

Founder, CEO

Founding Team

Inbox Zero Investors

Notable investors and investment history

Inbox Zero investors
InvestorRounds
TinySeedAccelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 27, 2026

    Monthly visitors increased 53% MoM.

  • Jan 21, 2026

    Monthly visitors grew 44% MoM, from 34.5K to 49.6K.

Inbox Zero Filings

Explore SEC and related filing metadata, where available.

Inbox Zero filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about Inbox Zero's valuation, stock price, and market status.

Is Inbox Zero a public or private company?

Inbox Zero is a private company.

What is the current stock price of Inbox Zero?

Inbox Zero is a private company with no public stock price. No recent secondary market data is available.

How much is Inbox Zero worth (valuation)?

Valuation information for Inbox Zero is not publicly available.

Can I buy Inbox Zero stock?

Inbox Zero shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Inbox Zero's last funding round?

Inbox Zero's most recent funding round was Accelerator on May 1, 2025.

Who are the main investors in Inbox Zero?

Key investors in Inbox Zero include TinySeed.

Will Inbox Zero IPO soon?

No public IPO plans have been announced for Inbox Zero.

How can I track Inbox Zero secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Inbox Zero's secondary market activity and sign up for updates.

Firmographic Details

Headquarters—
Employee Range5
Year Founded2023
Last FundingMay 1, 2025

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