Who we help
Offices, shops, restaurants, hotels, venues, schools, charities, care providers and multi-site businesses across London and the rest of the UK.
- Single sites
- Multi-site
- Charities
- Hospitality
London
Business energy broker in London.
A London business energy broker based in Earlsfield, SW18: electricity, gas and water for offices, venues, charities and multi-site businesses.
What we do
Let us do what we do best: saving you money. We compare the market for your electricity, gas and water, check your bills for errors, run a free kVA check on half-hourly supplies and handle every renewal.
- Market comparison
- Bill checks
- Free kVA check
- Renewals
Meter services at cost
We provide our own meter operator, data collector and data aggregator services (MOP, DC and DA), offered to our customers at cost.
- Meter operator
- Data collector
- Data aggregator
Your free customer portal
Every site, meter, bill and contract in one place, with market and usage graphs and a report every month. You can ask Joji, our AI assistant, anything about your account.
- Bills and contracts
- Monthly reports
- Ask Joji
Nothing to lose
If after working with us you do not think it was worth it, you have nothing to lose. Dernetz is paid commission by suppliers, and we explain how on our commission transparency page.
- No obligation
- Commission transparency
- Energy Ombudsman member
FAQs
Does Dernetz guarantee a saving or recovery?
No. Dernetz can support procurement, validation, evidence gathering and supplier follow-through, but outcomes depend on supplier pricing, contract terms, consumption, market conditions and third-party decisions.
Read more ->Who makes the final commercial decision?
The customer remains responsible for approving supplier contracts, commercial recommendations, Letters of Authority and material account actions. Dernetz can prepare information and support the process.
Read more ->How does the Dernetz Platform support the service?
The platform helps organise sites, meters, contracts, documents, tasks, supplier actions and follow-up in one controlled workspace, with Joji AI assisting where appropriate and human oversight retained.
Read more ->Next step