Octopus Energy: who owns it, who runs it and what the accounts show

Octopus Energy is an energy company that supplies gas and electricity to homes and businesses in Britain and other countries. It was founded in London in 2015. It makes money mainly from energy supply, and offers smart tariffs that reward customers for using power when it is cheap and green. It built its own customer and billing software, Kraken, which it also licenses to other energy suppliers. It also sells heat pumps, solar panels and EV chargers.

In brief: energy supplier · green and smart tariffs · Kraken software · Britain and abroad

The Companies House register records Octopus Energy Topco Limited as the person with significant control of Octopus Energy Group Limited, company number 09718624. Octopus Energy Topco Limited is itself company number 16982052.

That places Octopus Energy Group Limited inside a larger group. Its accounts are group accounts, covering the companies it owns as well.

The Companies House register lists 9 current officers for Octopus Energy Group Limited.

Octopus Energy Group Limited reported turnover of £13,683m in the year to April 2025. That was up 10.1% on £12,433m the year before.

It reported 10,030 employees. The year before it reported 6,438.

It filed a pre-tax loss of £260m for the year, against a pre-tax profit of £78m the year before.

Staff costs came to £492m. That is an average of £49,000 a head. It ended the year with £1,512m at the bank and net assets of £1,482m.

Octopus Energy Group Limited has registered 21 charges at Companies House, of which 10 are still outstanding. A charge is security a lender takes over a company's assets; one is satisfied when the lending behind it is repaid or released.