United States · Series C startup

Who invested in Firm58

3 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

IT Services

Funding summaryUpdated 15 Nov 2026

$19Mraised across 3 rounds since 2007, from 3 sources

$3.7MSeries A$8.5MSeries B$7.0MSeries C
Latest round
Series C, $7.0MJun 2010
Biggest round
$8.5MSeries B · May 2008
Investors
2
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

200820092010
$3.7MSeries A$8.5MSeries B$7.0MSeries C
First round
Series A, $3.7M
Apr 2007
Biggest round
$8.5M
Series B · May 2008
Usual gap between rounds
2.1 years
the median of 2

The rounds

  1. Jun 2010
    Series C$7.0M2 returning

    Reported by pehub.comSEC filing: $7.1M sold, first sale May 2010

  2. May 2008
    Series B$8.5M1 new1 returning

    From a historical funding record

  3. Apr 2007
    Series A$3.7M1 new

    Reported by firm58.com

Funding filed with regulators

Firm58 filed one raise, $7.1M in all. Filings say how much was sold and to how many investors; they never name the investors.

  1. May 2010$7.1M2 investorsequityof $10M offeredSEC Form D

Founders and team

From Firm58's own website and the SEC filings it signed: 10 on the team.

  • Eric VaughanChief Executive Officer
  • Aditya VithaldasSenior Vice President Of Ai Product Development
  • Antonios MeimarisSenior Vice President Of Ai Product Development
  • Jose MonteiroSenior Vice President Of Engineering
  • Angelo AntolineChief Marketing Officer
  • Mohit KhoslaChief Operating Officer
  • Rory JamesChief Revenue Officer
  • Dominic FeraExecutive Officer, Directori
  • Doug StatesExecutive Officeri
  • James MullenExecutive Officeri

On the board, as filediAdam KoopersmithJames A. MoranSamuel A. Mele

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Missing a round, or an investor who was in one? Tell us.

Quick answers about Firm58

Who invested in Firm58?

Firm58's investors include Pritzker Group and North Bridge Venture Partners & Growth Equity.

How much has Firm58 raised?

Firm58 has raised $19M across 3 rounds since 2007.

When did Firm58 last raise?

Firm58's most recent round was a Series C of $7.0M in Jun 2010.

What was Firm58's biggest round?

Firm58's largest round on record is $8.5M (Series B), in May 2008.

Who backed Firm58 first?

Firm58's first round on record, in Apr 2007, was backed by Pritzker Group.

What stage is Firm58 at?

Firm58's latest named round is a Series C, in Jun 2010.

Where is Firm58 based?

Firm58 is based in the United States.

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