# InfoSum funding: rounds and investors

> InfoSum has raised $164M across 2 rounds since 2021. Investors include Upfront Ventures and LocalGlobe. Every round with its source.

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

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

# Who invested in *InfoSum*

2 rounds we have observed, with the 2 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.

Advertising & Adtech

Raised 4 months ago

Funding summary Updated 26 Oct 2026

**$164M** raised across 2 rounds since 2021, from 2 sources

**$65M** Series B **$99M** Round

- **Latest round:** Round, $99M Jun 2026
- **Step-up i:** 1.5×
- **Investors:** 2

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.

2022 2023 2024 2025 2026

**$65M** Series B

**$99M** Round

- **First round:** Series B, $65M
- **Biggest round:** $99M
- **Between rounds:** 4.9 years

## The rounds

- **Jun 2026** Round **$99M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Aug 2021** Series B **$65M** *2 new* [Upfront Ventures](https://millionrounds.com/fund/upfront-ventures) [LocalGlobe](https://millionrounds.com/fund/localglobe) Source recorded

## 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 B** 2021 **Round** 2026 [Upfront Ventures](https://millionrounds.com/fund/upfront-ventures) [LocalGlobe](https://millionrounds.com/fund/localglobe)

## Everyone who backed them

[Upfront Ventures](https://millionrounds.com/fund/upfront-ventures) VC firm **1** round

[LocalGlobe](https://millionrounds.com/fund/localglobe) VC firm **1** round

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

## Also claim to have backed them

This firm lists InfoSum as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Mosaic Ventures](https://millionrounds.com/fund/mosaic-ventures) VC firm Per its own site

## Quick answers about InfoSum

### Who invested in InfoSum?

InfoSum's investors include Upfront Ventures and LocalGlobe.

### How much has InfoSum raised?

InfoSum has raised $164M across 2 rounds since 2021.

### When did InfoSum last raise?

InfoSum's most recent round, $99M, was in Jun 2026.

### What was InfoSum's biggest round?

Its most recent round, $99M in Jun 2026, is also its largest on record.

### Who backed InfoSum first?

InfoSum's first round on record, in Aug 2021, was backed by Upfront Ventures and LocalGlobe.

### What stage is InfoSum at?

InfoSum's latest named round is a Series B, in Aug 2021.

### Where is InfoSum based?

InfoSum is based in the United Kingdom.

## Companies like InfoSum

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

[**Velocity** $105M · Sept 2026](https://millionrounds.com/company/velocity)[**Adthena** $110M · Jul 2026](https://millionrounds.com/company/adthena)[**Covatic** $10M · Jun 2026](https://millionrounds.com/company/covatic)[**Vector** $91M · May 2026](https://millionrounds.com/company/vector)[**Go Swag** $5.0M · May 2026](https://millionrounds.com/company/go-swag)[**Hanei** $284K · Apr 2026](https://millionrounds.com/company/hanei)

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