United Kingdom · Series A startup

Who invested in IONATE

3 rounds we have observed, with the 4 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

$21Mraised across 3 rounds since 2021, from 3 sources

$210KRound$4.0MRound$17MSeries A
Latest round
Series A, $17MFeb 2025
Step-upi
4.2×
Investors
4
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.

2022202320242025
$210KRound$4.0MRound$17MSeries A
First round
Round, $210K
Jun 2021
Biggest round
$17M
Series A · Feb 2025
Usual gap between rounds
2.5 years
the median of 2

The rounds

  1. Feb 2025
  2. Aug 2022
    Round$4.0M

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

  3. Jun 2021
    Round$210K

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

Founders and team

From the SEC filings it signed: 1 on the team.

  • Adhikari AjantaExecutive Officer, Directori

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

In-Q-TelAccelerator1round
IQ CapitalVC firm1round
AlbionVCVC firm1round

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

Also claim to have backed them

These 2 firms list IONATE as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Antares VenturesVC firmPer its own site
EnergyLabAcceleratorPer its own site

Quick answers about IONATE

Who invested in IONATE?

IONATE's investors include Global Brain Corporation, In-Q-Tel, IQ Capital and AlbionVC.

How much has IONATE raised?

IONATE has raised $21M across 3 rounds since 2021.

When did IONATE last raise?

IONATE's most recent round was a Series A of $17M in Feb 2025.

What was IONATE's biggest round?

Its most recent round, $17M in Feb 2025, is also its largest on record.

Who backed IONATE first?

IONATE's first round on record, in Feb 2025, was backed by Global Brain Corporation, In-Q-Tel and IQ Capital and 1 others.

What stage is IONATE at?

IONATE's latest named round is a Series A, in Feb 2025.

Where is IONATE based?

IONATE is based in the United Kingdom.

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

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