# Weaver.build funding: rounds and investors

> Weaver.build has raised $4.0M across 1 round since 2022. Investors include FJ Labs and B2venture. Every round with its source.

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

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

# Who invested in *Weaver.build*

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.

Construction

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $4.0M Mar 2022
- **Investors:** 2

See who backed them

## The rounds

- **Mar 2022** Seed **$4.0M** [FJ Labs](https://millionrounds.com/fund/fj-labs) [B2venture](https://millionrounds.com/fund/b2venture) Source recorded

## Everyone who backed them

[FJ Labs](https://millionrounds.com/fund/fj-labs) VC firm **1** round

[B2venture](https://millionrounds.com/fund/b2venture) VC firm **1** round

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

## Quick answers about Weaver.build

### Who invested in Weaver.build?

Weaver.build's investors include FJ Labs and B2venture.

### How much has Weaver.build raised?

Weaver.build has raised $4.0M across 1 round since 2022.

### When did Weaver.build last raise?

Weaver.build's most recent round was a Seed of $4.0M in Mar 2022.

### What was Weaver.build's biggest round?

Its most recent round, $4.0M in Mar 2022, is also its largest on record.

### Who backed Weaver.build first?

Weaver.build's first round on record, in Mar 2022, was backed by FJ Labs and B2venture.

### What stage is Weaver.build at?

Weaver.build's latest named round is a Seed, in Mar 2022.

### Where is Weaver.build based?

Weaver.build is based in the United Kingdom.

## Companies like Weaver.build

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

[**Marrow** $2.0M · Oct 2026](https://millionrounds.com/company/marrow)[**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)[**Penelope Health** $100M · Sept 2026](https://millionrounds.com/company/penelope-health)[**Callosum** $110M · Aug 2026](https://millionrounds.com/company/callosum)[**Materials Market** $8.7M · Aug 2026](https://millionrounds.com/company/materials-market)[**MS3 Networks** $136M · Jul 2026](https://millionrounds.com/company/ms3-networks)

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