# 1build funding: rounds and investors

> 1build has raised $15M across 1 round since 2021. Investors include Y Combinator, Bossa Invest and Greycroft. Every round with its source.

Source: https://millionrounds.com/company/1build (Millionrounds; every figure on the page links to its filing or article)

United States · [Series A startup](https://millionrounds.com/companies)

# Who invested in *1build*

One round we have observed, with the 6 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.

AI

Y Combinator: W20

Funding summary Updated 26 Oct 2026

**$15M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series A, $15M Sept 2021
- **Investors:** 6

See who backed them

## The rounds

- **Sept 2021** Series A **$15M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Greycroft](https://millionrounds.com/fund/greycroft) [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) [MetaProp Ventures](https://millionrounds.com/fund/metaprop-ventures) [Meta](https://millionrounds.com/fund/meta) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

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

[Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) VC firm **1** round

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

[Meta](https://millionrounds.com/fund/meta) Corporate VC **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=1build).

## Quick answers about 1build

### Who invested in 1build?

1build's investors include Y Combinator, Bossa Invest, Greycroft, Liquid 2 Ventures and MetaProp Ventures, and 1 more on record.

### How much has 1build raised?

1build has raised $15M across 1 round since 2021.

### When did 1build last raise?

1build's most recent round was a Series A of $15M in Sept 2021.

### What was 1build's biggest round?

Its most recent round, $15M in Sept 2021, is also its largest on record.

### Who backed 1build first?

1build's first round on record, in Sept 2021, was backed by Y Combinator, Bossa Invest and Greycroft and 3 others.

### What stage is 1build at?

1build's latest named round is a Series A, in Sept 2021.

### Where is 1build based?

1build is based in the United States.

## Companies like 1build

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

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