# Polystream funding: rounds and investors

> Polystream has raised $12M across 2 rounds since 2015. Investors include Intel Capital, London Venture Partners and Lauder Partners.

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

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

# Who invested in *Polystream*

2 rounds we have observed, with the 6 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.

Deeptech

Funding summary Updated 26 Oct 2026

**$12M** raised across 2 rounds since 2015, from 2 sources

- **Latest round:** Series A, $12M Apr 2019
- **Led by:** Intel Capital
- **Investors:** 6 (1 led)

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.

2015 2016 2017 2018 2019

**?** Seed

**$12M** Series A

- **First round:** Seed
- **Biggest round:** $12M
- **Between rounds:** 4.1 years

## The rounds

- **Apr 2019** Series A **$12M** *5 new* [Intel Capital](https://millionrounds.com/fund/intel-capital) Lead [Lauder Partners](https://millionrounds.com/fund/lauder-partners) Initial London Venture Wargaming Group Reported by FinSMEs
- **Feb 2015** Seed **Amount undisclosed** *1 new* [London Venture Partners](https://millionrounds.com/fund/london-venture-partners) From a historical funding record

## 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.

**Seed** 2015 **Series A** 2019 [Intel Capital](https://millionrounds.com/fund/intel-capital) L [London Venture Partners](https://millionrounds.com/fund/london-venture-partners) [Lauder Partners](https://millionrounds.com/fund/lauder-partners) Initial London Venture Wargaming Group

## Everyone who backed them

[Intel Capital](https://millionrounds.com/fund/intel-capital) Corporate VC **1** round, led 1

[London Venture Partners](https://millionrounds.com/fund/london-venture-partners) VC firm **1** round

[Lauder Partners](https://millionrounds.com/fund/lauder-partners) VC firm **1** round

Initial no record of our own yet **1** round

London Venture no record of our own yet **1** round

Wargaming Group no record of our own yet **1** round

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

## Also claim to have backed them

This firm lists Polystream 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.

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

## Quick answers about Polystream

### Who invested in Polystream?

Polystream's investors include Intel Capital, London Venture Partners, Lauder Partners, Initial and London Venture, and 1 more on record. Intel Capital led its latest round.

### How much has Polystream raised?

Polystream has raised $12M across 2 rounds since 2015. One round did not disclose an amount, so the total is a floor.

### When did Polystream last raise?

Polystream's most recent round was a Series A of $12M in Apr 2019, led by Intel Capital.

### What was Polystream's biggest round?

Its most recent round, $12M in Apr 2019, is also its largest on record.

### Who backed Polystream first?

Polystream's first round on record, in Feb 2015, was backed by London Venture Partners.

### What stage is Polystream at?

Polystream's latest named round is a Series A, in Apr 2019.

### Where is Polystream based?

Polystream is based in the United Kingdom.

### Who led Polystream's rounds?

Intel Capital led the Series A in 2019.

## Companies like Polystream

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

[**MicroLub** $15M · Sept 2026](https://millionrounds.com/company/microlub)[**iGii** $27M · Sept 2026](https://millionrounds.com/company/igii)[**AcouBatt** $3.0M · Sept 2026](https://millionrounds.com/company/acoubatt)[**Dragonfly Insulation** $1.9M · Sept 2026](https://millionrounds.com/company/dragonfly-insulation)[**CuspAI** $950M · Jul 2026](https://millionrounds.com/company/cuspai)[**Advanced Material Development** $12M · Jun 2026](https://millionrounds.com/company/advanced-material-development)

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