# PolyBox funding: rounds and investors

> PolyBox has raised $936K across 1 round since 2026. Investors include Northstar Ventures and Innovate UK. Every round with its source.

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

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

# Who invested in *PolyBox*

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.

AI Big Data & Analytics Martech

Raised 3 months ago

Funding summary Updated 26 Oct 2026

**$936K** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $936K Jul 2026
- **Led by:** Northstar Ventures
- **Investors:** 2 (1 led)

See who backed them

## The rounds

- **Jul 2026** Seed **$936K** [Northstar Ventures](https://millionrounds.com/fund/northstar-ventures) Lead [Innovate UK](https://millionrounds.com/fund/innovate-uk) Reported by Northstar Ventures

## Everyone who backed them

[Northstar Ventures](https://millionrounds.com/fund/northstar-ventures) VC firm **1** round, led 1

[Innovate UK](https://millionrounds.com/fund/innovate-uk) VC firm **1** round

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

## Quick answers about PolyBox

### Who invested in PolyBox?

PolyBox's investors include Northstar Ventures and Innovate UK. Northstar Ventures led its latest round.

### How much has PolyBox raised?

PolyBox has raised $936K across 1 round since 2026.

### When did PolyBox last raise?

PolyBox's most recent round was a Seed of $936K in Jul 2026, led by Northstar Ventures.

### What was PolyBox's biggest round?

Its most recent round, $936K in Jul 2026, is also its largest on record.

### Who backed PolyBox first?

PolyBox's first round on record, in Jul 2026, was backed by Northstar Ventures and Innovate UK.

### What stage is PolyBox at?

PolyBox's latest named round is a Seed, in Jul 2026.

### Where is PolyBox based?

PolyBox is based in the United Kingdom.

### Who led PolyBox's rounds?

Northstar Ventures led the Seed in 2026.

## Companies like PolyBox

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

[**Cognitive Credit** $64M · Oct 2026](https://millionrounds.com/company/cognitive-credit)[**Marrow** $2.0M · Oct 2026](https://millionrounds.com/company/marrow)[**Opply** $23M · Oct 2026](https://millionrounds.com/company/opply)[**XRlabs** $8.4M · Oct 2026](https://millionrounds.com/company/xrlabs)[**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**Affinity Labs** $3.2M · Oct 2026](https://millionrounds.com/company/affinity-labs)

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