
Company and ownership
Who owns 100Green?
Privately owned independent supplier; no listed parent company.
A quoted parent’s share price changes throughout the trading day. The link above goes to the parent company’s investor information rather than displaying a price that could quickly become stale.
Group relationships
Affiliations and related businesses
Related companies can share a parent or brand while remaining separate legal entities. Check the company named in the principal terms, on the bill and in the complaints procedure before relying on a group relationship.

Commercial fit
What the supplier offers
- Renewable business electricity
- Green-gas propositions
- Export and smart-meter services
Renewable position: The brand centres on renewable electricity and green gas. Check the proportion and source of biomethane, certificates and any residual natural gas.
This does not mean zero complaints or poor performance. The published table covers a defined set of suppliers with sufficient data.
Before signing
Points to check
- Green-gas terminology can cover different mixes and mechanisms.
- Compare environmental evidence and total cost as separate tests.
- Recalculate the quote with your own annual consumption, contract dates and every known fee.
- Confirm broker remuneration, renewal terms, payment method and the complaint escalation route in writing.

Sources
Ownership, company and product information checked against:
Compare the contract
Turn a supplier quote into an annual cost
Use the same consumption, days and included charges for every offer.