# SigmaOS funding: rounds and investors

> SigmaOS has raised $4.0M across 1 round since 2022. Investors include Y Combinator, Pioneer Fund and LocalGlobe. Every round with its source.

Source: https://millionrounds.com/company/sigmaos (Millionrounds; every figure on the page links to its filing or article)

United Kingdom · [Seed startup](https://millionrounds.com/companies)

# Who invested in *SigmaOS*

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Y Combinator: S21

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $4.0M Nov 2022
- **Investors:** 5

See who backed them

## The rounds

- **Nov 2022** Seed **$4.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [LocalGlobe](https://millionrounds.com/fund/localglobe) [7percent Ventures](https://millionrounds.com/fund/7percent-ventures) [Moonfire Ventures](https://millionrounds.com/fund/moonfire) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[LocalGlobe](https://millionrounds.com/fund/localglobe) VC firm **1** round

[7percent Ventures](https://millionrounds.com/fund/7percent-ventures) VC firm **1** round

[Moonfire Ventures](https://millionrounds.com/fund/moonfire) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sigmaos).

## Quick answers about SigmaOS

### Who invested in SigmaOS?

SigmaOS's investors include Y Combinator, Pioneer Fund, LocalGlobe, 7percent Ventures and Moonfire Ventures.

### How much has SigmaOS raised?

SigmaOS has raised $4.0M across 1 round since 2022.

### When did SigmaOS last raise?

SigmaOS's most recent round was a Seed of $4.0M in Nov 2022.

### What was SigmaOS's biggest round?

Its most recent round, $4.0M in Nov 2022, is also its largest on record.

### Who backed SigmaOS first?

SigmaOS's first round on record, in Nov 2022, was backed by Y Combinator, Pioneer Fund and LocalGlobe and 2 others.

### What stage is SigmaOS at?

SigmaOS's latest named round is a Seed, in Nov 2022.

### Where is SigmaOS based?

SigmaOS is based in the United Kingdom.

## Companies like SigmaOS

In the same sector, and raised in the last eighteen months.

[**Marrow** $2.0M · Oct 2026](https://millionrounds.com/company/marrow)[**Cognitive Credit** $64M · Oct 2026](https://millionrounds.com/company/cognitive-credit)[**Opply** $23M · Oct 2026](https://millionrounds.com/company/opply)[**XRlabs** $8.4M · Oct 2026](https://millionrounds.com/company/xrlabs)[**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**Affinity Labs** $3.2M · Oct 2026](https://millionrounds.com/company/affinity-labs)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app