Skip to main content
Caplight Logo









SigmaOS

SigmaOS

Private
LondonEnterprise Softwarehttps://sigmaos.com/

Last Round

Seed

Nov 16, 2022

Est. Valuation

$1.79M

Total Funding Raised

$4.13M

Company Overview

SigmaOS is an Internet Software company that developed a productivity-focused web browser for macOS designed to organize web-based tasks into distinct workspaces.

Sector

Enterprise Software

Verticals

Workflow Automation, NLP & Conversational AI, Content Creation

Business Model

B2C

Customer Profile

Freemium, Subscription SaaS

AI Layer

Application

Keywords

productivity browserworkspace-based browsermacOS browserAI browserArc competitorAI assistanttab managementsmart browserWebKit browserworkflow automationAI copilotfreemium SaaSsplit-screen browsingshared workspacesAI browser engine

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

SigmaOS Comparables

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

SigmaOS comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Atlassian
80%
Wavebox
78%
WebCatalog, Inc.
73%

SigmaOS Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedNov 16, 2022
Pre SeedAug 16, 2021

Key People

Founding team and executive leadership

Ali Attar

Founder CPO

Founding Team

Saurav Mitra

Founder CTO

Founding Team

Mahyad Ghassemibouyaghchi

Founder CEO

Founding Team

SigmaOS Investors

Notable investors and investment history

SigmaOS investors
InvestorRounds
Pioneer FundSeed
LocalGlobeSeed
7 Percent VenturesSeed
Shine CapitalSeed
TrueSight VenturesSeed
Y CombinatorPre Seed, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 11, 2025

    Named Product Hunt's #1 product of the day, week, and month.

SigmaOS Filings

Explore SEC and related filing metadata, where available.

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

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

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

Is SigmaOS a public or private company?

SigmaOS is a private company.

What is the current stock price of SigmaOS?

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

How much is SigmaOS worth (valuation)?

SigmaOS's valuation is estimated at $1.8M based on funding round data.

Can I buy SigmaOS stock?

SigmaOS 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 SigmaOS's last funding round?

SigmaOS's most recent funding round was Seed on August 16, 2021.

Who are the main investors in SigmaOS?

Key investors in SigmaOS include LocalGlobe.

Will SigmaOS IPO soon?

No public IPO plans have been announced for SigmaOS.

How can I track SigmaOS secondary market activity?

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

Firmographic Details

HeadquartersLondon
Employee Range3
Year Founded2021
Last FundingNov 16, 2022

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?