# CircleBlack funding: rounds and investors

> CircleBlack has raised $8.3M across 1 round since 2023. Every round with its source.

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

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

# Who invested in *CircleBlack*

One round we have observed, with the 0 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.

Financial Services

Funding summary Updated 26 Oct 2026

**$8.3M** raised across 1 round since 2023, from 1 source

- **Latest round:** Venture, $8.3M Jun 2023
- **Investors:** 0

See who backed them

## The rounds

- **Jun 2023** Venture **$8.3M** No investor was named in the report. Source recorded SEC filing: $8.3M sold, first sale May 2023

## Founders and team

From CircleBlack's own website and the SEC filings it signed: 1 founder, 1 on the team.

**Tom Toth** Founder

- **Lincoln Ross** Executive Officer, Director i

On the board, as filed i *Aron Tobin Miodownik* *Gaurav Bhandari* *Kipp Nelson* *Ranu Dayal* *Susan Tobin Michel* *W. Tobin Whamond*

Advisers *Cole Laughton*

## Also claim to have backed them

This firm lists CircleBlack as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Long Arc Capital](https://millionrounds.com/fund/long-arc-capital) Private equity Per its own site

## Quick answers about CircleBlack

### How much has CircleBlack raised?

CircleBlack has raised $8.3M across 1 round since 2023.

### When did CircleBlack last raise?

CircleBlack's most recent round was a Venture of $8.3M in Jun 2023.

### What was CircleBlack's biggest round?

Its most recent round, $8.3M in Jun 2023, is also its largest on record.

### What stage is CircleBlack at?

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

### Where is CircleBlack based?

CircleBlack is based in the United States.

## Companies like CircleBlack

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

[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Kalshi** $2.7B · Oct 2026](https://millionrounds.com/company/kalshi)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**CapitalOS** $52M · Oct 2026](https://millionrounds.com/company/capitalos)[**Platform Accounting Group** $355M · Oct 2026](https://millionrounds.com/company/platform-accounting-group)[**Ramp** $4.5B · Oct 2026](https://millionrounds.com/company/ramp)

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