Business energy suppliers credit-assess applicants before offering a contract. A poor or thin credit file can result in a higher unit rate, a security deposit of one to three months of expected consumption value, or an outright refusal to supply on standard terms. New businesses and those with County Court Judgments face the most friction.
Last reviewed: 12 May 2026
Most business owners applying for a commercial energy contract assume the process is similar to signing up for a business bank account - a standard form, some identity checks, and a decision within days. In practice, suppliers carry out a credit assessment that can materially affect the unit rate offered, determine whether a deposit is required, and in some cases result in a refusal to supply on standard terms at all. For new businesses or those with a chequered payment history, understanding what suppliers look at and what the alternatives are is practically important.
What suppliers look at when credit-assessing a business
Business energy suppliers do not operate a publicly disclosed universal scoring methodology, but the inputs they draw on are broadly consistent across the market. The primary sources of information used in a business energy credit assessment include:
- Companies House filing history: for limited companies and LLPs, suppliers check whether accounts and confirmation statements have been filed on time, whether there are any active insolvency proceedings, and how long the entity has been incorporated. A very recently incorporated company provides little financial history for the supplier to assess.
- County Court Judgments: CCJs registered against the business or its directors are significant negative indicators. Suppliers access the Register of Judgments, Orders and Fines maintained by Registry Trust.
- Directors' personal credit history: for smaller businesses, suppliers may run a soft credit search on named directors, particularly where the company itself has a thin or absent filing history. A director with personal CCJs, Individual Voluntary Arrangements, or previous association with failed companies will affect the assessment.
- Payment records with the current or previous supplier: a history of late payments, disputed direct debits, or arrears with energy suppliers feeds into credit decisions. Some suppliers share payment performance data through industry databases.
- Commercial credit reference agencies: agencies such as Experian Business, Dun and Bradstreet, and Creditsafe compile commercial credit scores from publicly available data including Companies House filings, court records, and payment data submitted by member organisations. Suppliers subscribe to one or more of these agencies.
How credit assessment affects the contract offered
The credit assessment determines the commercial terms a supplier is willing to offer. For businesses that pass the assessment comfortably, the process is invisible - a standard contracted rate is offered. For those that do not, the supplier may:
- Apply a higher unit rate: a risk premium is added to the headline rate to compensate the supplier for the perceived higher probability of non-payment or default
- Require a security deposit: a cash deposit, typically equivalent to one to three months of expected consumption costs, held in escrow for the duration of the contract. The deposit is returned at contract end if the account is maintained in good order
- Require a direct debit mandate: some suppliers will only offer supply if the customer agrees to pay by direct debit, removing the option of invoice payment
- Shorten the maximum contract term offered: a supplier that is uncertain about a customer's long-term viability may offer only a 12-month contract rather than a two or three-year term
- Decline to supply on standard terms: in cases of very poor credit history, the supplier may decline entirely or require a parent company guarantee before proceeding
The Ofgem supply licence conditions do not require suppliers to publish their credit assessment criteria or to offer supply to every applicant on standard terms. Credit decisions are commercial decisions subject to the supplier's own risk management policy.
Security deposits: how they work
A security deposit in a business energy contract is a sum of money lodged with the supplier at the start of the supply relationship, typically by bank transfer, held against the risk of non-payment. The standard range cited across the market is one to three months of expected annual consumption divided into monthly value, though the precise amount is set by the supplier's credit team.
Key features of energy security deposits:
- The deposit is held separately from the supplier's operating funds in most cases, though the specific arrangements vary by supplier
- The deposit earns interest at a rate specified in the contract (or may not - the contract terms govern this)
- If the customer defaults on payment, the supplier can apply the deposit against the outstanding balance
- The deposit is returned at the end of the contract if the account has been maintained in good standing, or may be returned earlier if the customer's credit profile improves during the contract term
- A supplier applying a deposit must notify the customer of the amount and basis before the contract is agreed
Businesses should ensure the deposit terms are set out in the contract and should seek written confirmation of the circumstances under which the deposit will be returned.
Alternatives for businesses with poor or thin credit
Businesses that cannot obtain a standard commercial energy contract due to credit constraints have several practical routes to consider:
- Parent company guarantee: where a business is a subsidiary of a financially stronger parent, a supplier may accept a guarantee from the parent entity in lieu of a deposit or as a condition of supply. The guarantee commits the parent to meet the subsidiary's energy obligations if the subsidiary defaults.
- Prepayment or pay-as-you-go meters: some suppliers offer prepayment meter arrangements for commercial customers, under which the business pays in advance for energy. Rates on prepayment arrangements are typically higher than contracted rates, but they remove the credit risk for the supplier entirely. Not all business premises are suitable for prepayment meters.
- Alternative supplier panels: some suppliers or broker panels specialise in placing businesses with poor credit profiles. These arrangements typically carry higher rates but provide access to supply that standard suppliers decline to offer.
- Building a credit history before contracting: a new business that can demonstrate six to twelve months of trading history, clean Companies House filings, and on-time payment of other commercial obligations will be in a materially stronger position when applying for energy than one that applies on the first day of trading.
Data protection and credit reference rights
When a supplier runs a credit check on a business or its directors, it is processing personal data (for director searches) and commercial data subject to relevant data protection frameworks. The Information Commissioner's Office publishes guidance on the use of credit reference data by businesses, including the right of individuals to access their credit file and to dispute inaccurate information.
Under the UK GDPR and the Data Protection Act 2018, individuals - including business directors - have the right to access data held about them by credit reference agencies, to request corrections to inaccurate data, and to understand the basis on which automated credit decisions are made. These rights apply to soft searches run for energy credit assessment purposes as well as to hard searches.
A supplier carrying out a hard credit search against a director's personal credit file must have a legitimate basis for doing so. Businesses that believe a credit search has been run without appropriate justification can raise a complaint with the ICO.
What a business can do to improve its credit position before applying
Practical steps to strengthen a business's credit profile before approaching energy suppliers include:
- Ensure Companies House filings are current and complete - overdue accounts or confirmation statements are a red flag in any commercial credit assessment
- Check the business's entry on commercial credit reference agency databases and dispute any inaccurate information before applying for supply
- Resolve any outstanding CCJs against the business or its directors before applying
- Obtain a copy of directors' personal credit files from the major credit reference agencies (Experian, Equifax, TransUnion) and correct any errors
- Ensure there is no history of late payment to previous energy suppliers and that any outstanding balances have been settled
Frequently asked questions
Editorial disclaimer: This article explains how business energy credit assessment typically works based on publicly available information from Ofgem and the ICO and does not constitute financial or legal advice for any specific business situation.
Can a business challenge a deposit requirement from an energy supplier?
Yes. A business can ask the supplier to explain the basis for the deposit requirement and to review the decision if additional financial information is provided - for example, audited accounts not yet reflected in the credit agency file, or a bank reference. Suppliers are not obligated to remove a deposit requirement, but most will review their assessment if presented with material new information. A formal complaint can be raised if the business believes the deposit has been applied incorrectly or unfairly.
Does a business energy credit check affect a director's personal credit score?
A soft credit search, which many suppliers use for initial assessment, does not affect the director's personal credit score and is not visible to other lenders. A hard credit search, which leaves a footprint on the credit file visible to other creditors, can affect the personal credit score if multiple hard searches are conducted in a short period. Businesses should ask suppliers whether they intend to run a hard or soft search on directors before agreeing to the credit assessment process.
How long is a security deposit typically held?
Deposits are typically held for the duration of the supply contract. Some suppliers will review the deposit requirement mid-contract - for example, after 12 months of on-time payment - and return all or part of it if the credit risk has reduced. The contract terms govern this, and businesses should check whether an early deposit return is possible before signing. At contract end, the deposit is credited against the final bill or returned by bank transfer within a period specified in the contract.
Is there an energy-specific credit reference register shared between suppliers?
There is no single industry-wide energy credit register in the way that financial services has the CIFAS database for fraud or the credit reference agencies for lending history. However, some suppliers share payment performance data on business accounts, and the commercial credit reference agencies compile data from multiple sources including energy payment records submitted by member suppliers. A business with a poor payment record with one supplier may find this reflected in its commercial credit score assessed by another.
What happens if a business cannot pay a security deposit but needs supply urgently?
A business in this position should explore whether a parent company guarantee is acceptable to the supplier in lieu of a cash deposit, whether a prepayment arrangement is available for the premises, or whether an alternative supplier operating in the higher-risk segment of the market can provide supply. Businesses should also check whether they are currently on a deemed contract, as deemed supply continues regardless of credit assessment and the supplier cannot disconnect for non-creditworthiness (though it can disconnect for non-payment of bills).
How we verified this
This article draws on Ofgem's supply licence conditions as published at ofgem.gov.uk, ICO guidance on credit referencing and data subject rights at ico.org.uk, and the Data Protection Act 2018 and UK GDPR framework on legislation.gov.uk. Information on credit assessment inputs reflects industry practice documented in Ofgem market reviews. No supplier, broker, or aggregator content was used as a primary source.
Sources
- Ofgem: Supply licence conditions - ofgem.gov.uk
- ICO: Individual rights under UK GDPR - ico.org.uk
- Data Protection Act 2018 - legislation.gov.uk
- FCA: Credit information explained - fca.org.uk
For more on how suppliers structure commercial contracts, see business-energy-suppliers-uk. For microbusiness-specific protections including deposit-related rights, see microbusiness-energy-rights-uk.