# Ad Signal funding: rounds and investors

> Ad Signal has raised $4.0M across 1 round since 2025. Investors include Foresight Group. Every round with its source.

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

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

# Who invested in *Ad Signal*

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.

IT Services

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture, $4.0M May 2025
- **Investors:** 1

See who backed them

## The rounds

- **May 2025** Venture **$4.0M** [Foresight Group](https://millionrounds.com/fund/foresight-group) Source recorded

## Founders and team

From Ad Signal's own website: 1 founder, 8 on the team.

**Mike Duffy** CEO & Co-Founder

- **Colin Stonelake** CFO
- **Sophie Bartlett** COO
- **Anson Kelly** Head of Engineering
- **James Legg** Head of Platform Engineering
- **Paul Land** Head of Sales
- **Richard Sharp** Head of Experience
- **George Kilpatrick** Chair
- **Tom Dunning** Executive Director

## Everyone who backed them

[Foresight Group](https://millionrounds.com/fund/foresight-group) Private equity **1** round

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

## Quick answers about Ad Signal

### Who invested in Ad Signal?

Ad Signal's investors include Foresight Group.

### How much has Ad Signal raised?

Ad Signal has raised $4.0M across 1 round since 2025.

### When did Ad Signal last raise?

Ad Signal's most recent round was a Venture of $4.0M in May 2025.

### What was Ad Signal's biggest round?

Its most recent round, $4.0M in May 2025, is also its largest on record.

### Who backed Ad Signal first?

Ad Signal's first round on record, in May 2025, was backed by Foresight Group.

### What stage is Ad Signal at?

Ad Signal's latest named round is a Venture, in May 2025.

### Where is Ad Signal based?

Ad Signal is based in the United Kingdom.

## Companies like Ad Signal

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

[**Atlian** $933K · Oct 2026](https://millionrounds.com/company/atlian)[**Nuuri** $1.1M · Sept 2026](https://millionrounds.com/company/nuuri)[**Vitaspan** $976K · Sept 2026](https://millionrounds.com/company/vitaspan)[**Resolutiion** $10M · Sept 2026](https://millionrounds.com/company/resolutiion)[**InTouchNow** $3.1M · Sept 2026](https://millionrounds.com/company/intouchnow)[**Universal Quantum** $101M · Sept 2026](https://millionrounds.com/company/universal-quantum)

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