# CSignum funding: rounds and investors

> CSignum has raised $12M across 2 rounds since 2025. Investors include Scottish Enterprise, Raptor Group and British Business Bank. Every round with its source.

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

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

# Who invested in *CSignum*

2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

IoT

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$12M** raised across 2 rounds since 2025, from 2 sources

**$8.0M** Series A **$3.5M** Venture

- **Latest round:** Venture, $3.5M Sept 2026
- **Biggest round:** $8.0M Series A · Apr 2025
- **Investors:** 4

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$8.0M** Series A

**$3.5M** Venture

- **First round:** Series A, $8.0M
- **Biggest round:** $8.0M
- **Between rounds:** 17 months

## The rounds

- **Sept 2026** Venture **$3.5M** *1 new* *2 returning* [Scottish Enterprise](https://millionrounds.com/fund/scottish-enterprise) [British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) [Raptor Group](https://millionrounds.com/fund/raptor-group) Source recorded SEC filing: $761K sold
- **Apr 2025** Series A **$8.0M** *3 new* [Scottish Enterprise](https://millionrounds.com/fund/scottish-enterprise) [Par Equity](https://millionrounds.com/fund/par-equity) [Raptor Group](https://millionrounds.com/fund/raptor-group) Source recorded

## Funding filed with regulators

CSignum filed 3 raises, $12M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Aug 2026 **$3.6M** UK share allotment
- Apr 2025 **$8.5M** UK share allotment
- May 2023 **Amount not stated** UK share allotment

## Founders and team

From CSignum's own website: 5 on the team.

- **Jonathan Reeves** Chief Executive Officer
- **Graeme Boyce** Chief Operations Officer
- **Mark Rhodes** Chief Technology Officer
- **Jackie Lonie** Head of Business Support
- **Steve Buchan** Service Delivery Manager

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series A** 2025 **Venture** 2026 [Scottish Enterprise](https://millionrounds.com/fund/scottish-enterprise) [Raptor Group](https://millionrounds.com/fund/raptor-group) [British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) [Par Equity](https://millionrounds.com/fund/par-equity)

## Everyone who backed them

[Scottish Enterprise](https://millionrounds.com/fund/scottish-enterprise) Government **2** rounds

[Raptor Group](https://millionrounds.com/fund/raptor-group) Private equity **2** rounds

[British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) Corporate VC **1** round

[Par Equity](https://millionrounds.com/fund/par-equity) VC firm **1** round

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

## Quick answers about CSignum

### Who invested in CSignum?

CSignum's investors include Scottish Enterprise, Raptor Group, British Business Bank and Par Equity.

### How much has CSignum raised?

CSignum has raised $12M across 2 rounds since 2025.

### When did CSignum last raise?

CSignum's most recent round was a Venture of $3.5M in Sept 2026.

### What was CSignum's biggest round?

CSignum's largest round on record is $8.0M (Series A), in Apr 2025.

### Who backed CSignum first?

CSignum's first round on record, in Apr 2025, was backed by Scottish Enterprise, Par Equity and Raptor Group.

### What stage is CSignum at?

CSignum's latest named round is a Venture, in Sept 2026.

### Where is CSignum based?

CSignum is based in the United Kingdom.

## Companies like CSignum

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

[**Auralytica** $468K · Jul 2026](https://millionrounds.com/company/auralytica)[**FLOLIVE** $56M · Sept 2025](https://millionrounds.com/company/flolive)[**QLM Technology** $19M · Sept 2025](https://millionrounds.com/company/qlm-technology)[**Measurable.energy** $5.2M · Aug 2025](https://millionrounds.com/company/measurable-energy)[**Spotta** $647K · Jul 2025](https://millionrounds.com/company/spotta)[**Tractian** $250M · Oct 2026](https://millionrounds.com/company/tractian)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app