# Highside Companies funding: rounds and investors

> Highside Companies has raised $500M across 1 round since 2025. Investors include Apollo. Every round with its source.

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

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

# Who invested in *Highside Companies*

One round we have observed, with the one investor 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

**$500M** raised across 1 round since 2025, from 1 source

- **Latest round:** Debt, $500M Aug 2025
- **Investors:** 1

See who backed them

## The rounds

- **Aug 2025** Debt **$500M** [Apollo](https://millionrounds.com/fund/apollo-global-management) Source recorded

## Founders and team

From Highside Companies's own website: 1 founder, 3 on the team.

**Justin Roberts** CEO, Founder

- **Paul Congleton** President & Chief Operating Officer
- **Jennette Roberts** Chief Legal Officer / Head of HR
- **Terry Waldick** VP, Accounting and Finance

## Everyone who backed them

[Apollo](https://millionrounds.com/fund/apollo-global-management) Private equity **1** round

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

## Also claim to have backed them

This firm lists Highside Companies 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.

[Westmount Park Investments](https://millionrounds.com/fund/westmount-park-investments) Family office Per its own site

## Quick answers about Highside Companies

### Who invested in Highside Companies?

Highside Companies's investors include Apollo.

### How much has Highside Companies raised?

Highside Companies has raised $500M across 1 round since 2025.

### When did Highside Companies last raise?

Highside Companies's most recent round was a Debt of $500M in Aug 2025.

### What was Highside Companies's biggest round?

Its most recent round, $500M in Aug 2025, is also its largest on record.

### Who backed Highside Companies first?

Highside Companies's first round on record, in Aug 2025, was backed by Apollo.

### What stage is Highside Companies at?

Highside Companies's latest named round is a Debt, in Aug 2025.

### Where is Highside Companies based?

Highside Companies is based in the United States.

## Companies like Highside Companies

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

[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Mach9** $46M · Oct 2026](https://millionrounds.com/company/mach9)[**Fireworks AI** $1.7B · Oct 2026](https://millionrounds.com/company/fireworks-ai)[**ASI** $325M · Oct 2026](https://millionrounds.com/company/asi)[**Fragment** $22M · Oct 2026](https://millionrounds.com/company/fragment)

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