# Airex funding: rounds and investors

> Airex has raised $3.2M across 1 round since 2022. Investors include Barclays Ventures, Green Angel Ventures and Sustainable Ventures.

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

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

# Who invested in *Airex*

One round we have observed, with the 3 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.

Cleantech

Funding summary Updated 26 Oct 2026

**$3.2M** raised across 1 round since 2022, from 4 sources

- **Latest round:** Series A, $3.2M Dec 2022
- **Investors:** 3

See who backed them

## The rounds

- **Dec 2022** Series A **$3.2M** [Barclays Ventures](https://millionrounds.com/fund/barclays-ventures) [Green Angel Ventures](https://millionrounds.com/fund/green-angel-ventures) [Sustainable Ventures](https://millionrounds.com/fund/sustainable-ventures) Source recorded and 3 others

## Everyone who backed them

[Barclays Ventures](https://millionrounds.com/fund/barclays-ventures) Corporate VC **1** round

[Green Angel Ventures](https://millionrounds.com/fund/green-angel-ventures) Angel network **1** round

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

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

## Also claim to have backed them

These 3 firms list Airex as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Bayes Entrepreneurship Fund](https://millionrounds.com/fund/bayes-entrepreneurship-fund) VC firm Per its own site

[oneplanet.capital](https://millionrounds.com/fund/oneplanet-capital) VC firm Per its own site

[Green Angel Syndicate](https://millionrounds.com/fund/green-angel-syndicate) VC firm Per its own site

## Quick answers about Airex

### Who invested in Airex?

Airex's investors include Barclays Ventures, Green Angel Ventures and Sustainable Ventures.

### How much has Airex raised?

Airex has raised $3.2M across 1 round since 2022.

### When did Airex last raise?

Airex's most recent round was a Series A of $3.2M in Dec 2022.

### What was Airex's biggest round?

Its most recent round, $3.2M in Dec 2022, is also its largest on record.

### Who backed Airex first?

Airex's first round on record, in Dec 2022, was backed by Barclays Ventures, Green Angel Ventures and Sustainable Ventures.

### What stage is Airex at?

Airex's latest named round is a Series A, in Dec 2022.

### Where is Airex based?

Airex is based in the United Kingdom.

## Companies like Airex

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

[**Go Eve** $6.1M · Oct 2026](https://millionrounds.com/company/go-eve)[**Dragonfly Advanced Materials** $2.0M · Sept 2026](https://millionrounds.com/company/dragonfly-advanced-materials)[**Metris Energy** $7.5M · Sept 2026](https://millionrounds.com/company/metris-energy)[**Myriad Wind Energy Systems** $1.8M · Sept 2026](https://millionrounds.com/company/myriad-wind-energy-systems)[**RheEnergise** $6.3M · Sept 2026](https://millionrounds.com/company/rheenergise)[**Rightcharge** $1.4M · Sept 2026](https://millionrounds.com/company/rightcharge)

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