# BIG Atom funding: rounds and investors

> BIG Atom has raised $896K across 1 round since 2023. Investors include Innovate UK and British Business Bank. Every round with its source.

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

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

# Who invested in *BIG Atom*

One round we have observed, with the 2 investors 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.

Engineering

Funding summary Updated 26 Oct 2026

**$896K** raised across 1 round since 2023, from 1 source

- **Latest round:** Venture, $896K Jun 2023
- **Investors:** 2

See who backed them

## The rounds

- **Jun 2023** Venture **$896K** [Innovate UK](https://millionrounds.com/fund/innovate-uk) [British Business Bank](https://millionrounds.com/fund/national-security-strategic-investment-fund) Source recorded

## Funding filed with regulators

BIG Atom filed 5 raises, $3.7M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Aug 2026 **$271K** UK share allotment
- Sept 2024 **$233K** UK share allotment
- Jun 2023 **$1.9M** UK share allotment
- Mar 2022 **$462K** UK share allotment
- Dec 2021 **$772K** UK share allotment

## Everyone who backed them

[Innovate UK](https://millionrounds.com/fund/innovate-uk) VC firm **1** round

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

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

## Quick answers about BIG Atom

### Who invested in BIG Atom?

BIG Atom's investors include Innovate UK and British Business Bank.

### How much has BIG Atom raised?

BIG Atom has raised $896K across 1 round since 2023.

### When did BIG Atom last raise?

BIG Atom's most recent round was a Venture of $896K in Jun 2023.

### What was BIG Atom's biggest round?

Its most recent round, $896K in Jun 2023, is also its largest on record.

### Who backed BIG Atom first?

BIG Atom's first round on record, in Jun 2023, was backed by Innovate UK and British Business Bank.

### What stage is BIG Atom at?

BIG Atom's latest named round is a Venture, in Jun 2023.

### Where is BIG Atom based?

BIG Atom is based in the United Kingdom.

## Companies like BIG Atom

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

[**Flow Engineering** $73M · Sept 2026](https://millionrounds.com/company/flow-engineering)[**BE Design** Aug 2026](https://millionrounds.com/company/be-design)[**PhysicsX** $477M · Jun 2026](https://millionrounds.com/company/physicsx)[**Imperagen** $11M · May 2026](https://millionrounds.com/company/imperagen)[**AcoustoFab** $3.0M · Apr 2026](https://millionrounds.com/company/acoustofab)[**INITION ENERGY** $984K · Apr 2026](https://millionrounds.com/company/inition-energy)

## 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