# LUMENSTREAM funding: rounds and investors

> LUMENSTREAM has raised $1.6M across 1 round since 2025. Investors include Techstart Ventures. Every round with its source.

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

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

# Who invested in *LUMENSTREAM*

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.

Hardware & Electronics

Funding summary Updated 26 Oct 2026

**$1.6M** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture, $1.6M Jul 2025
- **Investors:** 1

See who backed them

## The rounds

- **Jul 2025** Venture **$1.6M** [Techstart Ventures](https://millionrounds.com/fund/techstart-ventures) Source recorded

## Funding filed with regulators

LUMENSTREAM filed one raise, $1.6M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Apr 2025 **$1.6M** UK share allotment

## Founders and team

From LUMENSTREAM's own website: 1 founder, 3 on the team.

**Alistair Brown** Founder and CEO

- **Aoife O'Kennedy** Process Manager
- **Rob Tattersall** Quality & EHS Manager
- **Stephanie McNeill** Marketing Manager

## Everyone who backed them

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

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

## Also claim to have backed them

This firm lists LUMENSTREAM 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.

[Clarendon Fund Managers Limited](https://millionrounds.com/fund/clarendon-fund-managers) VC firm Per its own site

## Quick answers about LUMENSTREAM

### Who invested in LUMENSTREAM?

LUMENSTREAM's investors include Techstart Ventures.

### How much has LUMENSTREAM raised?

LUMENSTREAM has raised $1.6M across 1 round since 2025.

### When did LUMENSTREAM last raise?

LUMENSTREAM's most recent round was a Venture of $1.6M in Jul 2025.

### What was LUMENSTREAM's biggest round?

Its most recent round, $1.6M in Jul 2025, is also its largest on record.

### Who backed LUMENSTREAM first?

LUMENSTREAM's first round on record, in Jul 2025, was backed by Techstart Ventures.

### What stage is LUMENSTREAM at?

LUMENSTREAM's latest named round is a Venture, in Jul 2025.

### Where is LUMENSTREAM based?

LUMENSTREAM is based in the United Kingdom.

## Companies like LUMENSTREAM

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

[**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)[**SCI Semiconductor** $13M · Sept 2026](https://millionrounds.com/company/sci-semiconductor)[**Finchetto** $4.0M · Aug 2026](https://millionrounds.com/company/finchetto)

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