Brokers of Tomato Energy business customers

Why has British Gas started supplying my business customers?

Tomato Energy have stopped trading and Ofgem have appointed us to be your business customers' energy supplier. We understand that this can all be a bit unsettling for our shared customers, so we’re writing to let them know they’re in safe hands.

Will Tomato Energy business customers lose gas or electricity supply?

No, energy supply will continue uninterrupted throughout the transfer process.

When will my Tomato Energy customer join British Gas?

Tomato Energy business customers moved to British Gas on 9 November 2025. We'll contact the customer when their new accounts are fully set up. This will take up to 21 days.

As an energy broker, do I need to do anything?

As your customer’s energy broker there’s nothing for you to do. For regulatory reasons, we need to contact your customers directly. We suggest all Tomato Energy business customers do the following:

• Provide a meter reading
• Choose a password for their new online account. We'll send customers an email with a link when their online account is ready

How do I upload a Letter of Authority (LOA)?

To ensure smooth access to your Tomato Energy customers’ accounts via the British Gas portal, please:

• Label the customer name field on the LT case as “Tomato Energy.”

This simple step helps prevent unnecessary rejections caused by data quality issues and ensures faster processing of your requests.

Will my Tomato Energy business account numbers change?

Yes, all account reference numbers will change – Tomato Energy will close the old account and we’ll set up customers with a new one with British Gas.

How do I contact you?

Once we've set up customers’ new British Gas account, we'll write to your customers to let them know when their new account is ready, and how to get in touch with us.

What will happen to any credit on my customers’ Tomato Energy account?

If customers have any credit after the final bill has been calculated, Tomato Energy will transfer it to their British Gas account. Customers will see the credit shown on their first British Gas bill.

What if customers have outstanding payments or debts with Tomato Energy?

We’re working closely with the relevant parties to confirm how any outstanding balances will be handled. It may take a few weeks for the process to be agreed. Once this is finalised, either we or the appointed administrator will contact customers with the next steps.

Will my customers’ energy prices change?

Yes, when we set up customers’ new accounts they will be on our “deemed” prices. This means customers are free to switch at any time. Business customers can choose from our full range of great priced energy plans.

What should customers do with their existing Direct Debit payments?

Customers need to keep their current Direct Debit set up in place. These will be transferred to their new British Gas accounts. The only difference is that it will say 'British Gas Business' on customers’ bank/building society statement.

If customers don't pay by Direct Debit but would like to, they will be able to set up a Direct Debit through your online account. We'll be in touch when this is ready for them.

What if my business customer is about to move out of their business premises, how do I close their account?

Their account will need to be set up on our system before we can close your customer’s business account and send them a final bill. Once everything is set up, we'll write to your customers with details of their British Gas account and how to let us know about their move.

If your business customer has already moved, and we've not been in touch with them yet, please contact Tomato Energy who will close the account and send the customer a final bill.

My business customer has started switching to another supplier, will my transfer still go ahead?

Yes, the transfer should go ahead as normal, and the customer will hear from their new supplier. If not, the customer can start your switch again five days after your new British Gas account is set up.

There are some circumstances when your switch may not go ahead. This could be because the customer is in a contract, or has an outstanding balance on their account.