# AirEx Technologies funding: rounds and investors

> AirEx Technologies has raised $7.1M across 4 rounds since 2023. Investors include Green Angel Ventures, Sustainable Ventures and Nesta.

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

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

# Who invested in *AirEx Technologies*

4 rounds we have observed, with the 7 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech Energy Hardware & Electronics

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$7.1M** raised across 4 rounds since 2023, from 4 sources

**$1.9M** Round **$1.2M** Round **$1.2M** Round **$2.8M** Round

- **Latest round:** Round, $2.8M May 2026
- **Step-up i:** 2.4×
- **Investors:** 7

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2024 2025 2026

**$1.9M** Round

**$1.2M** Round

**$1.2M** Round

**$2.8M** Round

- **First round:** Round, $1.9M
- **Biggest round:** $2.8M
- **Usual gap between rounds:** 7 months

## The rounds

- **May 2026** Round **$2.8M** *7 new* [Green Angel Ventures](https://millionrounds.com/fund/green-angel-ventures) [Sustainable Ventures](https://millionrounds.com/fund/sustainable-ventures) [Nesta](https://millionrounds.com/fund/nesta-ventures) [Bayes Entrepreneurship Fund](https://millionrounds.com/fund/bayes-entrepreneurship-fund) [Barclays Climate Ventures](https://millionrounds.com/fund/barclays-climate-ventures) [oneplanet.capital](https://millionrounds.com/fund/oneplanet-capital) [Vectr7 Investment Partners LLP](https://millionrounds.com/fund/vectr7-investment-partners-llp) Reported by Firms' own news pages
- **Nov 2025** Round **$1.2M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Apr 2025** Round **$1.2M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Mar 2023** Round **$1.9M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

AirEx Technologies filed 7 raises, $8.3M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Nov 2025 **$264K** UK share allotment
- Nov 2025 **$263K** UK share allotment
- Nov 2025 **$669K** UK share allotment
- May 2025 **$188K** UK share allotment
- Apr 2025 **$1.0M** UK share allotment
- Mar 2023 **$1.9M** UK share allotment
- Dec 2022 **$4.0M** UK share allotment

## Founders and team

From AirEx Technologies's own website: 1 founder, 17 on the team.

**Agnes Czako** Founder and CEO

- **Caroline Greves** Chief Financial Officer
- **Chris Stobart** Chief Technology Officer
- **Joe McMullen** Chief Operating Officer
- **Nicola Giles** Chief People Officer
- **Richard Kemp-Harper** Chief Strategy Officer
- **Lee Balfour** Head of Sales
- **Malik Habib** Head of Hardware & RF
- **Pip Watkins** Head of Marketing & Communications
- **Sarah Blake** Head of Partnerships
- **Alex Hook** Board Director
- **Andrew Wordsworth** Board Director
- **Ben Yarwood** Senior Business Development Manager
- **Heather Noble** Operations Lead
- **John Waters** Board Director
- **Julia Groves** Chair
- **Paul Robinson** Senior Firmware Engineer
- **Ryan Syrett** Manufacturing & Supply Chain Manager

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2023 **Round** 2025 **Round** 2025 **Round** 2026 [Green Angel Ventures](https://millionrounds.com/fund/green-angel-ventures) [Sustainable Ventures](https://millionrounds.com/fund/sustainable-ventures) [Nesta](https://millionrounds.com/fund/nesta-ventures) [Bayes Entrepreneurship Fund](https://millionrounds.com/fund/bayes-entrepreneurship-fund) [Barclays Climate Ventures](https://millionrounds.com/fund/barclays-climate-ventures) [oneplanet.capital](https://millionrounds.com/fund/oneplanet-capital) [Vectr7 Investment Partners LLP](https://millionrounds.com/fund/vectr7-investment-partners-llp)

## Everyone who backed them

[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

[Nesta](https://millionrounds.com/fund/nesta-ventures) VC firm **1** round

[Bayes Entrepreneurship Fund](https://millionrounds.com/fund/bayes-entrepreneurship-fund) VC firm **1** round

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

[oneplanet.capital](https://millionrounds.com/fund/oneplanet-capital) VC firm **1** round

[Vectr7 Investment Partners LLP](https://millionrounds.com/fund/vectr7-investment-partners-llp) VC firm **1** round

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

## Quick answers about AirEx Technologies

### Who invested in AirEx Technologies?

AirEx Technologies's investors include Green Angel Ventures, Sustainable Ventures, Nesta, Bayes Entrepreneurship Fund and Barclays Climate Ventures, and 2 more on record.

### How much has AirEx Technologies raised?

AirEx Technologies has raised $7.1M across 4 rounds since 2023.

### When did AirEx Technologies last raise?

AirEx Technologies's most recent round was an Undisclosed round of $2.8M in May 2026.

### What was AirEx Technologies's biggest round?

Its most recent round, $2.8M in May 2026, is also its largest on record.

### Who backed AirEx Technologies first?

AirEx Technologies's first round on record, in May 2026, was backed by Green Angel Ventures, Sustainable Ventures and Nesta and 4 others.

### What stage is AirEx Technologies at?

AirEx Technologies's latest named round is an Undisclosed round, in May 2026.

### Where is AirEx Technologies based?

AirEx Technologies is based in the United Kingdom.

## Companies like AirEx Technologies

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

[**Go Eve** $6.1M · Oct 2026](https://millionrounds.com/company/go-eve)[**mOm Incubators** $191M · Oct 2026](https://millionrounds.com/company/mom-incubators)[**Living Optics** $61M · Oct 2026](https://millionrounds.com/company/living-optics)[**Foundational** $19M · Oct 2026](https://millionrounds.com/company/foundational)[**Flow Engineering** $73M · Sept 2026](https://millionrounds.com/company/flow-engineering)[**novosound** $8.7M · Sept 2026](https://millionrounds.com/company/novosound)

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