# AgentMail funding: rounds and investors

> AgentMail has raised $6.0M across 1 round since 2026. Investors include General Catalyst, Y Combinator and HubSpot Ventures. Every round with its source.

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

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

# Who invested in *AgentMail*

One round we have observed, with the 7 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 Developer Tools Martech

Raised 8 months ago

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Funding summary Updated 5 Nov 2026

**$6.0M** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $6.0M Mar 2026
- **Led by:** General Catalyst
- **Investors:** 7 (1 led)

See who backed them

## The rounds

- **Mar 2026** Seed **$6.0M** [General Catalyst](https://millionrounds.com/fund/general-catalyst) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [HubSpot Ventures](https://millionrounds.com/fund/hubspot-ventures) [Paul Graham](https://millionrounds.com/fund/paul-graham) [Karim Atiyeh](https://millionrounds.com/fund/karim-atiyeh) [Paul Copplestone](https://millionrounds.com/fund/paul-copplestone) [Phosphor Capital](https://millionrounds.com/fund/phosphor-capital) Reported by TechCrunch

## Everyone who backed them

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round, led 1

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

[HubSpot Ventures](https://millionrounds.com/fund/hubspot-ventures) Corporate VC **1** round

[Paul Graham](https://millionrounds.com/fund/paul-graham) VC firm **1** round

[Karim Atiyeh](https://millionrounds.com/fund/karim-atiyeh) Angel **1** round

[Paul Copplestone](https://millionrounds.com/fund/paul-copplestone) Angel **1** round

[Phosphor Capital](https://millionrounds.com/fund/phosphor-capital) VC firm **1** round

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

## Quick answers about AgentMail

### Who invested in AgentMail?

AgentMail's investors include General Catalyst, Y Combinator, HubSpot Ventures, Paul Graham and Karim Atiyeh, and 2 more on record. General Catalyst led its latest round.

### How much has AgentMail raised?

AgentMail has raised $6.0M across 1 round since 2026.

### When did AgentMail last raise?

AgentMail's most recent round was a Seed of $6.0M in Mar 2026, led by General Catalyst.

### What was AgentMail's biggest round?

Its most recent round, $6.0M in Mar 2026, is also its largest on record.

### Who backed AgentMail first?

AgentMail's first round on record, in Mar 2026, was backed by General Catalyst, Y Combinator and HubSpot Ventures and 4 others.

### What stage is AgentMail at?

AgentMail's latest named round is a Seed, in Mar 2026.

### Where is AgentMail based?

AgentMail is based in the United States.

### Who led AgentMail's rounds?

General Catalyst led the Seed in 2026.

## Companies like AgentMail

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

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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