Trusted Business Energy Supplier
At D-ENERGi, our Manchester-based, family-run team helps UK businesses cut energy costs with real support. Get better business energy rates with a free contract review.
- Free contract review and energy consultation with no-obligation
- A dedicated energy adviser will call back within 1 business day
- We aim to answer calls within 3 “rings”. No automated call menus
- Rated Excellent on Trustpilot and supporting UK businesses since 2002
Business energy contract tailored to your usage
D-ENERGi is a Ofgem-registered business gas and electric provider. We are a real alternative to the Big Six in the UK. We provide business gas and electricity for companies of all sizes, including options tailored for both single-site and multi-site businesses.
Business
Gas
We provide fixed and variable business gas tariffs tailored to your needs.
Business Electricity
Competitive business electricity contracts — fixed and variable — tailored for small, medium and large businesses.
Half Hourly Electricity
Half-hourly electricity for single-site and multi-site businesses, with dedicated support to help you secure the best available rates.
Why D-ENERGi?
Free Energy Advice Tailored to Your Business
We offer a free contract review and energy consultation to uncover better options. Our team analyses the energy market to give you clear advice.
Trusted and Established Commercial Energy Supplier
With over 24 years of industry experience, D-ENERGi is a genuine alternative to the Big Six — backed by a Manchester-based team that understands business energy decisions.
Competitive, Bespoke Business Energy Pricing
We care and listen to your energy-related needs. We take the time to understand your situation and provide competitive, tailored energy pricing. With a dedicated account manager, you’ll receive a bespoke business energy quote based on your specific usage.
Real Guidance and Responsive Support
Our customer service team is built to be responsive and human. We answer your call within 3 rings and provide you with a personalised support that larger energy suppliers often can’t match. No call centers, no automated call menus.
We’re rated Excellent on Trustpilot and proudly supporting UK businesses since 2002.
Switching Made Easier
At D-ENERGi we care and we listen to your energy related needs. If you’re looking to move away from your current supplier, our team helps you every step of the way — so switching is smoother and far less time-consuming.
Reach out to us
Fill out a 1-minute form or call our energy experts on 0800 781 7626 . A dedicated energy adviser will contact you within 1 business day.
Receive your business gas & electricity quote
Share a few details about your business. We’ll find the best business energy rates tailored specifically for you.
We Handle the Switch
We’ll present tailored options based on your needs. Once you select your business energy deals, we’ll handle the entire switching process, guiding you every step of the way.
We Provide Business Energy Supply Across Multiple Sectors
Contact our expertsAt D-ENERGi, we specialise in supplying business energy to a wide range of organisations—supporting SMEs and larger businesses locally and nationally with clear guidance, proactive support and a focus on reducing business energy costs.
With over 24 years of experience, we’ve helped thousands of businesses reduce their energy bills achieving an average annual bill improvement of 10–20%.
What our customers say!
Customer Portal
Manage Your Account Online
As a valued customer, you can easily manage your account with our user–friendly portal.
Here’s what you can do:
• Submit meter readings
• View your contract details
• Check billing history and balances
• Download invoices
• Request half–hourly data
Download our app from the App Store or Google Play for even more convenience or simply log in through your computer or mobile device.
Latest News
Awards & Accreditations
D-ENERGi has been recognised as finalists for Energy Supplier of the Year for 2 consecutive years.
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We are proud to be the Premium Branding Partner of This Is Manchester Awards 2026—supporting local business excellence across Manchester and the North West.
