# Lightmeter funding: rounds and investors

> Lightmeter has raised $820K across 1 round since 2022. Investors include Y Combinator and Bossa Invest. Every round with its source.

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

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

# Who invested in *Lightmeter*

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.

SaaS

Y Combinator: W22

Funding summary Updated 26 Oct 2026

**$820K** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $820K Mar 2022
- **Investors:** 2

See who backed them

## The rounds

- **Mar 2022** Seed **$820K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) Source recorded

## Founders and team

From Lightmeter's own website: 3 on the team.

- **Sam Tuke** CEO
- **Cesar Werlich** COO
- **Serving Entrepreneurs** COO

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

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

## Quick answers about Lightmeter

### Who invested in Lightmeter?

Lightmeter's investors include Y Combinator and Bossa Invest.

### How much has Lightmeter raised?

Lightmeter has raised $820K across 1 round since 2022.

### When did Lightmeter last raise?

Lightmeter's most recent round was a Seed of $820K in Mar 2022.

### What was Lightmeter's biggest round?

Its most recent round, $820K in Mar 2022, is also its largest on record.

### Who backed Lightmeter first?

Lightmeter's first round on record, in Mar 2022, was backed by Y Combinator and Bossa Invest.

### What stage is Lightmeter at?

Lightmeter's latest named round is a Seed, in Mar 2022.

### Where is Lightmeter based?

Lightmeter is based in the United Kingdom.

## Companies like Lightmeter

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

[**OneClickComply** $2.1M · Sept 2026](https://millionrounds.com/company/oneclickcomply)[**Checkstep** $113M · May 2026](https://millionrounds.com/company/checkstep)[**Optalitix** $6.6M · Apr 2026](https://millionrounds.com/company/optalitix)[**voxANN** $206K · Mar 2026](https://millionrounds.com/company/voxann)[**Souk** $1.6M · Sept 2025](https://millionrounds.com/company/souk)[**Strike** $94M · Aug 2025](https://millionrounds.com/company/strike)

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