This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Learn what types of evidence are needed to charge someone with fraud offences in England and Wales. This comprehensive guide explains the legal elements, evidential requirements, common forms of documentary and digital evidence, how prosecutors assess cases, and key questions about fraud prosecutions.

Fraud is a criminal offence under the law of England and Wales and covers a wide range of dishonest conduct intended to result in gain for the perpetrator or loss to another. Before someone can be charged with a fraud offence, investigators and prosecutors must carefully assess the available evidence to ensure it meets established legal thresholds. This article explains the kinds of evidence that may be gathered, how it is used in investigations and charging decisions, and the legal principles that apply under UK law.
What Is a Fraud Offence?
Fraud offences in England and Wales are primarily defined by the Fraud Act 2006. The Act creates a general offence of fraud that can be committed in three principal ways:
- Fraud by false representation – deliberately making an untrue or misleading statement.
- Fraud by failure to disclose information – intentionally omitting information when there was a legal duty to disclose it.
- Fraud by abuse of position – misusing a position of trust to gain financially or cause loss.
These form the core basis for most fraud prosecutions in the criminal courts. Accompanying or related offences such as obtaining services dishonestly and participation in a fraudulent business may also be charged in appropriate circumstances.
Fraud can involve anything from small‑scale benefit fraud to large‑scale financial schemes. While the specifics vary, the underlying requirement in any fraud prosecution is that the defendant's conduct was dishonest and carried out with the intention to make a gain or cause a loss.
How Charging Decisions Are Made
Before any charge is authorised, the Crown Prosecution Service (CPS) must apply the Code for Crown Prosecutors. This involves two key stages:
1. The Evidential Test
The CPS must be satisfied there is sufficient admissible evidence to provide a realistic prospect of conviction against the suspect. Prosecutors assess whether, on the basis of the evidence available and before any defence is considered, a reasonable jury or magistrate is more likely than not to convict.
2. The Public Interest Test
Even if the evidential test is met, prosecutors must determine whether prosecuting is in the public interest, considering factors such as the seriousness of the offence, the impact on victims, and wider societal considerations.
In some circumstances where an immediate charge is necessary but full evidence is not yet available, prosecutors may apply the Threshold Test to authorise a charge on reasonable suspicion, provided further evidence is expected to be obtainable.
Types of Evidence Commonly Used in Fraud Cases
Fraud investigations often involve complex financial activity and may require multiple forms of evidence to establish dishonesty, intent, and conduct. Below are the main types of evidence that police and prosecutors typically look for:
1. Documentary and Financial Records
Much of the evidence in fraud cases is documentary. This includes:
- Bank statements and accounting records showing transfers, withdrawals, unexplained income or irregular transactions.
- Invoices, contracts and correspondence that demonstrate the circumstances under which money or assets were obtained.
- Tax submissions, benefits claims and official forms that are alleged to be false or misleading.
These records help establish whether representations were made, whether they were untrue, and what financial gain or loss resulted.
Complex audit trails, spreadsheets and forensic accounting reports can be crucial to showing patterns of fraudulent behaviour.
2. Digital and Electronic Evidence
Fraud investigations frequently rely on digital evidence, such as:
- Emails, instant messages and electronic correspondence showing how representations were communicated.
- Server logs and transaction histories detailing the timing and flow of funds or data.
- Social media posts or online marketplace activity that may contradict representations made elsewhere.
Forensic examination of computers, mobile devices and storage media may reveal deleted or hidden material relevant to the offence.
Electronic evidence is often key in demonstrating intent, patterns of behaviour, and connections between parties.
3. Witness Testimony
Witness evidence often supports documentary or digital material. Relevant witnesses may include:
- Victims or complainants who describe representations or conduct that induced loss.
- Professional or expert witnesses, such as accountants or forensic analysts, who can explain complex evidence.
- Colleagues, clients or third parties with knowledge of the defendant's actions or communications.
In fraud cases, expert testimony is frequently necessary to interpret financial data or explain technical systems to a court.
4. Admission or Statements by the Suspect
If the suspect has made voluntary admissions, statements, or answers that are consistent with fraudulent conduct, these can form part of the evidence. Police interviews conducted under caution may produce such material, but its admissibility and weight will be determined in line with statutory safeguards.
5. Circumstantial Evidence
While direct evidence such as documents or digital records is often central, prosecutors may also rely on circumstantial evidence to establish dishonesty and intent. For example:
- A pattern of behaviour inconsistent with honest conduct.
- Financial benefit or lifestyle changes that lack legitimate explanation.
- Possession of tools or materials designed to facilitate fraud.
Although no single type of evidence may prove guilt, a combination of documentary, digital, testimonial and circumstantial evidence can be compelling when assessed together.
Proving the Legal Elements in Fraud
To secure a conviction, the prosecution must prove the key elements of the offence beyond reasonable doubt:
Dishonesty
The defendant's conduct must have been dishonest by the standards of ordinary decent people, based on the well‑established test used by courts in England and Wales.
False Representation or Abuse of Position
For fraud by false representation, there must be evidence that the defendant knowingly made an untrue or misleading statement. For fraud by abuse of position, evidence must show an abuse of trust that resulted in gain or risk of loss.
Intention to Make a Gain or Cause Loss
Even if no gain was ultimately realised, evidence must show the defendant intended to gain or cause loss when making or failing to disclose a representation.
Practical Steps in an Investigation
Police Investigation
Following a report or intelligence suggesting fraud, investigators may:
- Secure financial records and digital evidence.
- Interview victims, witnesses and the suspect.
- Collaborate with specialist units such as economic crime teams.
Investigators must follow legal procedures under the Police and Criminal Evidence Act 1984 and other relevant legislation to ensure evidence is admissible.
Preparation for Prosecutors
Once sufficient evidence is assembled, the police submit a case file to the CPS. Prosecutors review the material, decide on appropriate charges, and prepare for any necessary pre‑trial decisions, including disclosure of evidence to the defence.
Common Questions About Evidence in Fraud Cases
Can someone be charged without loss actually occurring?
Yes. Under the Fraud Act 2006, it is not necessary to show that actual loss or gain occurred; the focus is on the defendant's dishonest intention.
Is a victim statement always required?
Not necessarily. Fraud cases may proceed on financial and documentary evidence alone if it establishes representations, conduct, and intent.
What role do expert witnesses play?
Experts may analyse and interpret complex financial or technical data, making evidence comprehensible to courts.
Key Takeaways
Charging someone with a fraud offence in England and Wales requires assembling credible, admissible evidence that supports the essential elements of the offence. Investigators and prosecutors look for a combination of:
- documentary and financial records,
- digital and electronic evidence,
- reliable witness testimony,
- admissions by the suspect, and
- circumstantial evidence.
This evidence is assessed under strict legal standards to decide whether there is a realistic prospect of conviction and whether prosecution is in the public interest.
Fraud allegations can be complex and wide ranging. Understanding the kinds of evidence involved helps clarify how these serious cases are investigated and prosecuted.