When was SigmaOS founded?

SigmaOS was founded in 2021 and raised its 1st funding round within a year of its incorporation.

Where is SigmaOS located?

SigmaOS is headquartered in London, United Kingdom. It is registered at ABBEY HOUSE SIGMAOS INC.,74-76 SAINT JOHN ST,LONDON,ENGLAND,EC1M 4DT.

Who is the current CEO of SigmaOS?

Mahyad Ghassemi of SigmaOS. They have also founded 1 company.

Which legal entities is SigmaOS associated with?

SigmaOS is associated with SIGMA OS SOFTWARE LTD.

How many employees does SigmaOS have?

As of Apr 30, 2026, the latest employee count at SigmaOS is 3.

Is SigmaOS a funded company?

SigmaOS is a funded company, having raised a total of $4.12M across 3 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on 2021.

When was the latest funding round of SigmaOS?

SigmaOS's latest funding was a $***** Seed round on Nov 16, 2022, with participation from 10 investors.

Where does SigmaOS rank among its competitors?

SigmaOS ranks 1st amongst 20 active competitors, of which 2 are funded. It stands 1st in terms of total funding among its competitors. The most recent competitor to raise funding was SigmaOS, which secured $4M in Nov, 2022.

Who are the top competitors of SigmaOS?

SigmaOS's top competitors include Sidekick, Wavebox and RoBhat Labs. Among them, SigmaOS secured the most recent funding round in November, 2022.

SigmaOS - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

Provider of SaaS-based digital workspace management platform. It provides users with an operating system for the web application that includes minimization of time spent working on the web, application security, and analysis. It also provides additional features such as workspaces to organize pages and web apps, and the ability to snooze pages.

Website: sigmaos.com
Social
Email ID: *****@sigmaos.com
Registered Address: ABBEY HOUSE SIGMAOS INC.,74-76 SAINT JOHN ST,LONDON,ENGLAND,EC1M 4DT

Key Metrics

Founded Year

2021

Location

London, United Kingdom

Stage

Seed

Total Funding

$4.12M in 3 rounds

Latest Funding Round

Seed, Nov 16, 2022, $*****

Investors

Y Combinator & 12 more

Ranked

1^st among 20 active competitors

Employee Count

3 as on Apr 30, 2026

Similar Companies

SoundHound & 5087 more

View SigmaOS's full profile

SigmaOS is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SIGMA OS SOFTWARE LTD CIN: 13201691 , United Kingdom, Active	Feb 14, 2021	-	4 (As on Dec 31, 2024)

SigmaOS has raised a total funding of $4.12M over 3 rounds. Its first funding round was on 2021. Its latest funding round was a Seed round on Nov 16, 2022 for $*****. 10 investors participated in its latest round. SigmaOS has 9 institutional investors and 4 angel investors.

Here is the list of recent funding rounds of SigmaOS:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Nov 16, 2022	9479310	Seed	3250526	1377724	4440437	3232120
Sep 02, 2021	3070953	Seed	8947024	3439053	7435521	9953458
2021	8608	Seed	3745	5457	7percent Ventures	6360

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View details of SigmaOS's funding rounds and investors

The founders of SigmaOS is Mahyad Ghassemi. Mahyad Ghassemi is the CEO of SigmaOS.

Here are the details of SigmaOS's key team members:

Mahyad Ghassemi: Founder & CEO of SigmaOS.
Contact Info: 1 email address

View details of SigmaOS's Founder profiles and Board Members

SigmaOS's employee count trend

SigmaOS has 3 employees as of Apr 26. Here is SigmaOS's employee count trend over the years:

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Top competitors of SigmaOS include Sidekick, Wavebox and RoBhat Labs. Here is the list of Top 10 competitors of SigmaOS, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	SigmaOS 2021, London (United Kingdom), Seed	Provider of SaaS-based digital workspace management platform	$4.12M	TrueSight Ventures, LocalGlobe & 11 others	42/100
2nd	Sidekick 2019, San Francisco (United States), Seed	Provider of productivity and collaboration browser for enterprises	-	Kleiner Perkins, Chrome Capital & 3 others	41/100
3rd	Wavebox 2012, Bangor (United Kingdom), Unfunded	Productivity browser that offers users to work across various platforms	-	-	29/100
4th	RoBhat Labs 2017, Berkeley (United States), Funding Raised	Offering secure browsing solutions	-	Dorm Room Fund	28/100
5th	Rambox 2019, Argentina, Unfunded	Browser platform consolidating workspace apps	-	-	24/100
6th	Realm App 2023, Hyderabad (India), Unfunded	Decentralized browser extension platform	-	-	24/100
7th	MadEasy Unfunded	Developer of a web browser with integrated artificial intelligence features	-	-	24/100
8th	BrowserTime 2020, South Burlington (United States), Unfunded	Provider of a web-based browser history analysis tool	-	-	24/100
9th	Nayla San Francisco (United States), Unfunded	Developer of an AI browser that automates tasks and assists browsing	-	-	24/100
10th	Demostory 2020, Raleigh (United States), Unfunded	Provider of cloud-based browsers for live demonstration	-	-	23/100