# Prosimo funding: rounds and investors

> Prosimo has raised $30M across 1 round since 2022. Investors include General Catalyst, BlackRock and Celesta Capital. Every round with its source.

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

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *Prosimo*

One round we have observed, with the 3 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.

Cloud

Funding summary Updated 26 Oct 2026

**$30M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series B, $30M Jun 2022
- **Investors:** 3

See who backed them

## The rounds

- **Jun 2022** Series B **$30M** [General Catalyst](https://millionrounds.com/fund/general-catalyst) [BlackRock](https://millionrounds.com/fund/blackrock) [Celesta Capital](https://millionrounds.com/fund/celesta-capital) Source recorded

## Everyone who backed them

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round

[BlackRock](https://millionrounds.com/fund/blackrock) Asset manager **1** round

[Celesta Capital](https://millionrounds.com/fund/celesta-capital) VC firm **1** round

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

## Quick answers about Prosimo

### Who invested in Prosimo?

Prosimo's investors include General Catalyst, BlackRock and Celesta Capital.

### How much has Prosimo raised?

Prosimo has raised $30M across 1 round since 2022.

### When did Prosimo last raise?

Prosimo's most recent round was a Series B of $30M in Jun 2022.

### What was Prosimo's biggest round?

Its most recent round, $30M in Jun 2022, is also its largest on record.

### Who backed Prosimo first?

Prosimo's first round on record, in Jun 2022, was backed by General Catalyst, BlackRock and Celesta Capital.

### What stage is Prosimo at?

Prosimo's latest named round is a Series B, in Jun 2022.

### Where is Prosimo based?

Prosimo is based in the United States.

## Companies like Prosimo

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Blacksmith** $131M · Oct 2026](https://millionrounds.com/company/blacksmith)[**Tasklet** $13M · Oct 2026](https://millionrounds.com/company/tasklet)[**VEIR** $185M · Oct 2026](https://millionrounds.com/company/veir)[**Namespace** $42M · Oct 2026](https://millionrounds.com/company/namespace)[**Lambda** $6.8B · Oct 2026](https://millionrounds.com/company/lambda)

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