Who invested in Sunamp

4 rounds we have observed, with the 6 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.

Energy

Funding summaryUpdated 26 Oct 2026

$8.1Mraised across 4 rounds since 2015, from 4 sources

$2.0MSeries B$2.8MSeed$610KSeries A$2.7MSeries A

Latest round: Series A, $2.7MApr 2024
Biggest round: $2.8MSeed · Nov 2018
Step-upi: 4.5×
Investors: 6

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.

20152017201920212023

$2.0MSeries B$2.8MSeed$610KSeries A$2.7MSeries A

First round: Series B, $2.0M
Biggest round: $2.8M
Usual gap between rounds: 3 years

The rounds

Apr 2024
Series A$2.7M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Apr 2021
Series A$610K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Nov 2018
Seed$2.8M1 new2 returning
- Par Equity
- Equity Gap
- Osaka Gas
Reported by Angelnews
Jul 2015
Series B$2.0M5 new
From a historical funding record

Funding filed with regulators

Sunamp filed 2 raises, $3.3M in all. Filings say how much was sold and to how many investors; they never name the investors.

Apr 2024$2.7MUK share allotment
Apr 2021$610KUK share allotment

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.

Series B2015Seed2018Series A2021Series A2024

Par Equity

Equity Gap

Highland Capital PartnersOld College Capital LpScottish Investment BankOsaka Gas

Everyone who backed them

Par EquityVC firm2rounds

Equity GapAngel network2rounds

Highland Capital PartnersVC firm1round

Old College Capital LpVC firm1round

Scottish Investment BankInvestment firm1round

Osaka Gasno record of our own yet1round

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

Also claim to have backed them

This firm lists Sunamp 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.

Highland Venture CapitalAngel networkPer its own site

Quick answers about Sunamp

Who invested in Sunamp?

Sunamp's investors include Par Equity, Equity Gap, Highland Capital Partners, Old College Capital Lp and Scottish Investment Bank, and 1 more on record.