# Attest funding: rounds and investors

> Attest has raised $81M across 3 rounds since 2015. Investors include Episode 1, New Enterprise Associates and Alumni Ventures. Every round with its source.

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

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

# Who invested in *Attest*

3 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.

Big Data & Analytics

Funding summary Updated 26 Oct 2026

**$81M** raised across 3 rounds since 2015, from 3 sources

**$1.0M** Seed **$16M** Series A **$64M** Series B

- **Latest round:** Series B, $64M Oct 2021
- **Step-up i:** 4×
- **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.

2016 2017 2018 2019 2020 2021

**$1.0M** Seed

**$16M** Series A

**$64M** Series B

- **First round:** Seed, $1.0M
- **Biggest round:** $64M
- **Usual gap between rounds:** 3.5 years

## The rounds

- **Oct 2021** Series B **$64M** *2 new* *1 returning* [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Episode 1](https://millionrounds.com/fund/episode-1) Source recorded
- **Apr 2019** Series A **$16M** *1 new* *1 returning* [Episode 1](https://millionrounds.com/fund/episode-1) NEA/ Oxford Reported by FinSMEs
- **Oct 2015** Seed **$1.0M** *1 new* [Episode 1](https://millionrounds.com/fund/episode-1) From a historical funding record

## 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.

**Seed** 2015 **Series A** 2019 **Series B** 2021 [Episode 1](https://millionrounds.com/fund/episode-1) [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) NEA/ Oxford

## Everyone who backed them

[Episode 1](https://millionrounds.com/fund/episode-1) VC firm **3** rounds

[New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) VC firm **1** round

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

NEA/ Oxford no record of our own yet **1** round

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

## Quick answers about Attest

### Who invested in Attest?

Attest's investors include Episode 1, New Enterprise Associates, Alumni Ventures and NEA/ Oxford.

### How much has Attest raised?

Attest has raised $81M across 3 rounds since 2015.

### When did Attest last raise?

Attest's most recent round was a Series B of $64M in Oct 2021.

### What was Attest's biggest round?

Its most recent round, $64M in Oct 2021, is also its largest on record.

### Who backed Attest first?

Attest's first round on record, in Oct 2015, was backed by Episode 1.

### What stage is Attest at?

Attest's latest named round is a Series B, in Oct 2021.

### Where is Attest based?

Attest is based in the United Kingdom.

## Companies like Attest

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

[**Cognitive Credit** $64M · Oct 2026](https://millionrounds.com/company/cognitive-credit)[**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**Affinity Labs** $3.2M · Oct 2026](https://millionrounds.com/company/affinity-labs)[**Alchera Technologies** $3.7M · Oct 2026](https://millionrounds.com/company/alchera-technologies)[**Foundational** $19M · Oct 2026](https://millionrounds.com/company/foundational)[**Quartz** $3.7M · Sept 2026](https://millionrounds.com/company/quartz)

## Find investors like these

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