# PORTAIRE funding: rounds and investors

> PORTAIRE has raised $672K across 1 round since 2023. Investors include QVentures. Every round with its source.

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

United Kingdom · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *PORTAIRE*

One round we have observed, with the one investor 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.

Construction

Funding summary Updated 26 Oct 2026

**$672K** raised across 1 round since 2023, from 1 source

- **Latest round:** Pre-seed, $672K Nov 2023
- **Investors:** 1

See who backed them

## The rounds

- **Nov 2023** Pre-seed **$672K** [QVentures](https://millionrounds.com/fund/qventures) Source recorded

## Funding filed with regulators

PORTAIRE filed 5 raises, $1.3B in all. Filings say how much was sold and to how many investors; they never name the investors.

- May 2024 **$754M** UK share allotment
- Mar 2024 **Amount not stated** UK share allotment
- Nov 2023 **$203M** UK share allotment
- Jun 2023 **$330M** UK share allotment
- Apr 2023 **Amount not stated** UK share allotment

## Everyone who backed them

[QVentures](https://millionrounds.com/fund/qventures) Family office **1** round

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

## Quick answers about PORTAIRE

### Who invested in PORTAIRE?

PORTAIRE's investors include QVentures.

### How much has PORTAIRE raised?

PORTAIRE has raised $672K across 1 round since 2023.

### When did PORTAIRE last raise?

PORTAIRE's most recent round was a Pre-seed of $672K in Nov 2023.

### What was PORTAIRE's biggest round?

Its most recent round, $672K in Nov 2023, is also its largest on record.

### Who backed PORTAIRE first?

PORTAIRE's first round on record, in Nov 2023, was backed by QVentures.

### What stage is PORTAIRE at?

PORTAIRE's latest named round is a Pre-seed, in Nov 2023.

### Where is PORTAIRE based?

PORTAIRE is based in the United Kingdom.

## Companies like PORTAIRE

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

[**Marrow** $2.0M · Oct 2026](https://millionrounds.com/company/marrow)[**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)[**Penelope Health** $100M · Sept 2026](https://millionrounds.com/company/penelope-health)[**Callosum** $110M · Aug 2026](https://millionrounds.com/company/callosum)[**Materials Market** $8.7M · Aug 2026](https://millionrounds.com/company/materials-market)[**MS3 Networks** $136M · Jul 2026](https://millionrounds.com/company/ms3-networks)

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