# OnSecurity funding: rounds and investors

> OnSecurity has raised $7.0M across 1 round since 2024. Investors include Gresham House Ventures. Every round with its source.

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

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

# Who invested in *OnSecurity*

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.

Cybersecurity

Funding summary Updated 26 Oct 2026

**$7.0M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series A, $7.0M Jun 2024
- **Investors:** 1

See who backed them

## The rounds

- **Jun 2024** Series A **$7.0M** [Gresham House Ventures](https://millionrounds.com/fund/gresham-house-ventures) Source recorded

## Founders and team

From OnSecurity's own website: 9 on the team.

- **Conor O'Neill** Chief Executive Officer
- **Adam Luxford** Chief Operating Officer
- **Duncan Butchart** Chief Revenue Officer
- **Matt White** Chief Finance Officer
- **Adam Mackey** Head of Pentesting
- **Dan Roach** VP of GTM & Enablement
- **Adam Foody** Pre-Sales Lead
- **Alan Wilson** Director of People & Operations
- **Olivia Tanner** Marketing Lead

## Everyone who backed them

[Gresham House Ventures](https://millionrounds.com/fund/gresham-house-ventures) Growth equity **1** round

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

## Quick answers about OnSecurity

### Who invested in OnSecurity?

OnSecurity's investors include Gresham House Ventures.

### How much has OnSecurity raised?

OnSecurity has raised $7.0M across 1 round since 2024.

### When did OnSecurity last raise?

OnSecurity's most recent round was a Series A of $7.0M in Jun 2024.

### What was OnSecurity's biggest round?

Its most recent round, $7.0M in Jun 2024, is also its largest on record.

### Who backed OnSecurity first?

OnSecurity's first round on record, in Jun 2024, was backed by Gresham House Ventures.

### What stage is OnSecurity at?

OnSecurity's latest named round is a Series A, in Jun 2024.

### Where is OnSecurity based?

OnSecurity is based in the United Kingdom.

## Companies like OnSecurity

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

[**Blackwall** $162M · Oct 2026](https://millionrounds.com/company/blackwall)[**SafeToNet** $23M · Sept 2026](https://millionrounds.com/company/safetonet)[**OneClickComply** $2.1M · Sept 2026](https://millionrounds.com/company/oneclickcomply)[**Outerlimit** $16M · Sept 2026](https://millionrounds.com/company/outerlimit)[**SCI Semiconductor** $13M · Sept 2026](https://millionrounds.com/company/sci-semiconductor)[**Iothic** $4.7M · Sept 2026](https://millionrounds.com/company/iothic)

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