# Synthax funding: rounds and investors

> Synthax has raised $670K across 1 round since 2025. Investors include Antler and Fuel Ventures. Every round with its source.

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

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

# Who invested in *Synthax*

One round we have observed, with the 2 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.

Consumer Apps

Funding summary Updated 26 Oct 2026

**$670K** raised across 1 round since 2025, from 2 sources

- **Latest round:** Seed, $670K Oct 2025
- **Investors:** 2

See who backed them

## The rounds

- **Oct 2025** Seed **$670K** [Antler](https://millionrounds.com/fund/antler) [Fuel Ventures](https://millionrounds.com/fund/fuel-ventures) Source recorded and 1 other

## Everyone who backed them

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

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

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

## Also claim to have backed them

This firm lists Synthax as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

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

## Quick answers about Synthax

### Who invested in Synthax?

Synthax's investors include Antler and Fuel Ventures.

### How much has Synthax raised?

Synthax has raised $670K across 1 round since 2025.

### When did Synthax last raise?

Synthax's most recent round was a Seed of $670K in Oct 2025.

### What was Synthax's biggest round?

Its most recent round, $670K in Oct 2025, is also its largest on record.

### Who backed Synthax first?

Synthax's first round on record, in Oct 2025, was backed by Antler and Fuel Ventures.

### What stage is Synthax at?

Synthax's latest named round is a Seed, in Oct 2025.

### Where is Synthax based?

Synthax is based in the United Kingdom.

## Companies like Synthax

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

[**SafeToNet** $23M · Sept 2026](https://millionrounds.com/company/safetonet)[**Communion** $13M · Sept 2026](https://millionrounds.com/company/communion)[**Thursday** $1.5M · Sept 2026](https://millionrounds.com/company/thursday)[**Collctiv** $1.0M · Jul 2026](https://millionrounds.com/company/collctiv)[**CelluComp** $11M · Jul 2026](https://millionrounds.com/company/cellucomp)[**Whering** $7.3M · Jul 2026](https://millionrounds.com/company/whering)

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