# Retrium funding: rounds and investors

> Retrium has raised $1.6M across 1 round since 2019. Investors include IrishAngels. Every round with its source.

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

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

# Who invested in *Retrium*

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.

Collaboration Tools

Funding summary Updated 26 Oct 2026

**$1.6M** raised across 1 round since 2019, from 1 source

- **Latest round:** Seed, $1.6M May 2019
- **Investors:** 1

See who backed them

## The rounds

- **May 2019** Seed **$1.6M** [IrishAngels](https://millionrounds.com/fund/irishangels) Source recorded

## Founders and team

From Retrium's own website: 4 on the team.

- **David Horowitz** CEO
- **Agile Coach** Manager
- **By Topic** Manager
- **Scrum Master** Engineer

## Everyone who backed them

[IrishAngels](https://millionrounds.com/fund/irishangels) Angel network **1** round

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

## Also claim to have backed them

These 2 firms list Retrium as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[K Street Capital](https://millionrounds.com/fund/k-street-capital) VC firm Per its own site

[MIT Alumni Angels of DC](https://millionrounds.com/fund/mit-alumni-angels-of-dc) Angel network Per its own site

## Quick answers about Retrium

### Who invested in Retrium?

Retrium's investors include IrishAngels.

### How much has Retrium raised?

Retrium has raised $1.6M across 1 round since 2019.

### When did Retrium last raise?

Retrium's most recent round was a Seed of $1.6M in May 2019.

### What was Retrium's biggest round?

Its most recent round, $1.6M in May 2019, is also its largest on record.

### Who backed Retrium first?

Retrium's first round on record, in May 2019, was backed by IrishAngels.

### What stage is Retrium at?

Retrium's latest named round is a Seed, in May 2019.

## Companies like Retrium

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

[**Theop** Jul 2026](https://millionrounds.com/company/theop)[**Town** $241M · Oct 2026](https://millionrounds.com/company/town)[**Scuba** $34M · Oct 2026](https://millionrounds.com/company/scuba)[**ReFresh** $2.5M · Sept 2026](https://millionrounds.com/company/refresh)[**Balance Theory** $14M · Sept 2026](https://millionrounds.com/company/balance-theory)[**Fambot** $3.5M · Sept 2026](https://millionrounds.com/company/fambot)

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