# Waterwhelm funding: rounds and investors

> Waterwhelm has raised $1.1M across 1 round since 2025. Investors include UK government. Every round with its source.

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

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

# Who invested in *Waterwhelm*

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.

Water

Funding summary Updated 26 Oct 2026

**$1.1M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $1.1M Mar 2025
- **Investors:** 1

See who backed them

## The rounds

- **Mar 2025** Seed **$1.1M** [UK government](https://millionrounds.com/fund/uk-government) Source recorded SEC filing: $1.1M sold, first sale Mar 2025

## Founders and team

From Waterwhelm's own website: 1 founder, 10 on the team.

**Alireza Abbassi Monjezi** Founder and CEO

- **Dr Jamshid Zarkesh** Head of Engineering
- **Even Hestnes** Head Of Operations
- **Fiona Collins** Head of Finance
- **Lisa Thomson** Head of HR
- **Akta Raja** Investment Director
- **Ali Sadeghi** Intern Mechanical Engineer
- **Charles Hine** Business Development Officer
- **Hannah Turner** Business Development Engineer
- **Iman Shams** Senior Process Engineer
- **Mark Volanthen** Chairman

## Everyone who backed them

[UK government](https://millionrounds.com/fund/uk-government) Government **1** round

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

## Quick answers about Waterwhelm

### Who invested in Waterwhelm?

Waterwhelm's investors include UK government.

### How much has Waterwhelm raised?

Waterwhelm has raised $1.1M across 1 round since 2025.

### When did Waterwhelm last raise?

Waterwhelm's most recent round was a Seed of $1.1M in Mar 2025.

### What was Waterwhelm's biggest round?

Its most recent round, $1.1M in Mar 2025, is also its largest on record.

### Who backed Waterwhelm first?

Waterwhelm's first round on record, in Mar 2025, was backed by UK government.

### What stage is Waterwhelm at?

Waterwhelm's latest named round is a Seed, in Mar 2025.

### Where is Waterwhelm based?

Waterwhelm is based in the United Kingdom.

## Companies like Waterwhelm

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

[**Watergate** $857K · Aug 2025](https://millionrounds.com/company/watergate)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**Phigenics** Sept 2026](https://millionrounds.com/company/phigenics)

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