# Octopus Energy (octopus.energy)

Is octopus.energy legit and trustworthy? Truth score 96 out of 100, high truth signals: 9 of 12 public checks clear, 3 for information. Legitimacy confidence: high. Customer satisfaction: no rating found yet.

- Truth score: 96 out of 100
- Legitimacy confidence: high
- Claimed: no
- Assessed: 2026-10-24

## Business details

- Category: Energy supplier
- Years in business: 12 years
- Founded by: Greg Jackson
- Registered with: FCA, firm 1033722 (Matched on the FCA register)
- Sells to: The public and businesses
- Kind of seller: Sells its own goods or services
- Licensed trade: Other licensed trade
- Domain age: 11 years
- Address: Uk House, 5th Floor, 164-182 Oxford Street, London, W1D 1NN, United Kingdom
- Email address: hello@octopus.energy
- Phone number: +44 808 196 6842
- Contact page: https://octopus.energy/contact-us/
- Website: https://octopus.energy/
- Social media: Facebook https://www.facebook.com/octopusenergy, Instagram https://www.instagram.com/octopusenergy/, X https://x.com/octopusenergy, LinkedIn https://www.linkedin.com/company/octopus-energy/, TikTok https://www.tiktok.com/@octopusenergy, YouTube https://www.youtube.com/octopusenergy
- Registered to do: 35140 Trade of electricity; 35230 Trade of gas through mains
- Previous names: MERCURY ENERGY SUPPLY LIMITED (14 Oct 2014 to 21 Aug 2015)
- Latest YouTube video: Revealing the WINNER of our Cosy 6 Giveaway... 🧸😲 https://www.youtube.com/watch?v=7W8izOteVws

## Summary

octopus.energy is run by Octopus Energy Limited, an active UK company registered at Companies House 12 years ago. Its website address was registered 11 years ago, and is locked against transfer to someone else. It is among the 10,000 most-visited sites on the internet (Cloudflare Radar). It has 899,608 reviews on Trustpilot. The postcode on its website matches its registered office. No malware or phishing warnings found for its website.

Important context: Truth Signal weighs public evidence about this business. A high score means strong evidence that the business is established and legitimate, not a promise that it is safe to buy from or that every purchase will go well. A low score means the evidence is thin or raises concerns, not that the business is unsafe or a scam.

## Positives

- An active UK company registered at Companies House, set up 12 years ago (source: companies_house)
- Its website address was registered 11 years ago (source: rdap)
- It is among the 10,000 most-visited sites on the internet (Cloudflare Radar) (source: radar)
- 899,608 reviews on Trustpilot (source: reviews)
- The postcode on its website matches its registered office at Companies House (source: facts)
- No malware or phishing warnings found for its website (source: safe_browsing)

## How to check if octopus.energy is legit

To check if octopus.energy is legit yourself, look at the same public records we did: the company register, who owns the web address and since when, customer reviews, visitor numbers, how long the site has existed, social profiles, malware lists, data breaches and email security. Each row below shows what that record says about octopus.energy; open a row to see the facts and the source to check them yourself. Step by step: [how to know if a shopping site is legit](/guides/how-to-know-if-a-shopping-site-is-legit).

- Who they are: Company details: An active UK company registered at Companies House, set up 12 years ago (Clear)
- Who they are: Official registers: On the FCA register as firm 1033722. Matched on its website. (For information)
- Who they are: Domain registration: Its website address was registered 11 years ago (Clear)
- Who they are: Website details: We read 4 of its pages: contact, about, terms and privacy (Clear). Pages found: contact (https://octopus.energy/contact-us/), about (https://octopus.energy/about-us/), terms (https://octopus.energy/terms-and-conditions-spudbros-x-octopus-energy-pound800-find-the-octopus-/), privacy (https://octopus.energy/policies/privacy-policy/)
- Reputation and track record: Customer reviews: 899,608 reviews on Trustpilot (Clear)
- Reputation and track record: App Store: Its app, Octopus Energy, is on Apple's App Store, rated 4.8 out of 5 from 266,695 ratings. App ratings are not counted as reviews. (For information)
- Reputation and track record: Visitor traffic: It is among the 10,000 most-visited sites on the internet (Cloudflare Radar) (For information)
- Reputation and track record: Web history and authority: The Internet Archive first saved a copy of its website 10 years ago (Clear)
- Reputation and track record: Social presence: It is on 6 social media platforms (Facebook, Instagram, LinkedIn, TikTok, X and YouTube); the largest audience is 297,338 followers on Facebook (Clear)
- Safety: Malware and phishing: No malware or phishing warnings found for its website (Clear). This check is not perfect: it can miss a harmful site, and it can wrongly warn about a safe one.
- Safety: Data breach history: No known data breach involving the company (Clear)
- Safety: Domain and email security: Its email is protected: mail forged in its name is blocked (Clear)

## What its pages say

Quoted word for word from octopus.energy's own pages.

- Ways to contact them: “Email us on: heat@octopus.energy” (https://octopus.energy/contact-us/)
- Phone support: “Call us on: 0808 196 6842” (https://octopus.energy/contact-us/)
- In their own words: “We're making energy fair, clean, and simple for all using technology. Powering over 10 million homes in Britain and abroad with award-winning customer service and innovative green energy offers, while building a more sustainable energy system for tomorrow. Being the UK's most awarded energy supplier is about more than offering the cheapest deals.” (https://octopus.energy/about-us/)
- Who you're buying from: “This promotion is sponsored by Octopus Energy Limited (Company No. 09263424), registered at 33 Holborn, London EC1N 2HT (“Promoter”), and hosted by Spudbros (“Host”) at the Spudbros Birmingham store opening event.” (https://octopus.energy/terms-and-conditions-spudbros-x-octopus-energy-pound800-find-the-octopus-/)

## Cite

Truth Signal, Octopus Energy: truth score 96 out of 100, legitimacy confidence High, assessed 2026-10-24, https://truthsignal.com/business/octopus.energy. Licence CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). The same report as JSON: send Accept: application/json to https://truthsignal.com/business/octopus.energy