When an employer suspects that an employee has misappropriated company money or assets, identifying the suspected conduct is only part of the financial investigation. A separate question is how much financial loss the business may have suffered and how that loss can be calculated for a potential civil recovery claim.
Employee fraud losses are not necessarily the same as the total value of every suspicious transaction. A forensic accountant may need to examine financial records, reconstruct transactions, identify relevant payments or transfers, and distinguish potential direct losses from amounts requiring further analysis.
The appropriate approach depends on the facts, available evidence, purpose of the calculation and relevant legal issues.
What Is an Employee Fraud Loss Calculation?
An employee fraud loss calculation is a financial assessment of loss that a business may have suffered in connection with suspected or alleged fraudulent conduct by an employee.
The analysis may consider questions such as:
- Which transactions are alleged to be improper?
- When did the relevant activity take place?
- What company funds or assets were involved?
- What amount was actually paid, transferred or taken?
- Did the business receive goods, services or another benefit?
- Were any amounts subsequently recovered?
- Are there other financial effects that require separate consideration?
A calculation should be based on identifiable evidence rather than treating every unusual transaction as an established loss.
For more information about the wider financial investigation process, see the Employee Fraud Expert investigation process.
Establishing the Relevant Transactions
The first stage is often to establish which transactions are relevant to the allegation.
Reviewing Financial Records
Depending on the circumstances, relevant records may include:
- Bank statements
- General ledger entries
- Payment records
- Payroll records
- Expense claims
- Supplier invoices
- Purchase orders
- Credit card statements
- Accounting system data
- Correspondence relating to payments
- Company asset records
These records can help establish the movement of money and identify transactions requiring further examination.
Building a Transaction Schedule
A transaction schedule can provide a structured record of potentially relevant payments or transfers.
It may include:
- Date of payment
- Transaction amount
- Paying or receiving account
- Payment reference or description
- Supplier, employee or other recipient
- Supporting invoice, approval or other record
- Reason the transaction requires examination
- Amount subsequently recovered, where applicable
The schedule can then be reconciled against underlying records and other evidence.
Calculating Potential Direct Financial Loss
Where the evidence indicates that company funds may have been taken or paid away without proper authority, the relevant amount may form part of the financial loss calculation.
For example, if an employee is alleged to have diverted £25,000 of company funds to an unauthorised recipient, the investigation would need to establish the transaction, its purpose, the authority for the payment and the evidence connecting it to the alleged conduct.
The gross amount of a suspicious or unauthorised payment should not automatically be treated as a legally recoverable loss. The underlying circumstances and evidence need to be considered.
Considering Value Received by the Business
A financial calculation may also need to consider whether the company received goods, services or another benefit associated with a disputed transaction.
For example, an employee may submit an expense claim containing an inflated amount. The relevant financial effect may therefore differ from the total value of the claim.
The analysis may need to distinguish between:
- The amount claimed
- The amount actually paid
- The legitimate business expense
- The amount potentially attributable to the alleged conduct
This distinction can be important when assessing the financial effect of individual transactions.
Accounting for Recoveries
Amounts recovered by the business may need to be identified separately.
Potential recoveries could include:
- Repayments by an employee
- Recovered company property
- Bank reversals
- Insurance payments, where relevant
- Recovery from another party
- Funds identified through asset tracing
The treatment of a particular recovery can depend on the circumstances and the purpose of the calculation. A forensic accountant can record recoveries separately so that the calculation remains transparent and capable of reconciliation.
For more information about financial analysis in employee fraud matters, see the Employee Fraud Expert services.
Calculating Loss From Multiple Transactions
Employee fraud allegations may involve numerous transactions rather than a single payment.
In these circumstances, a forensic accountant may reconstruct the relevant activity across a defined period and identify the transactions that require consideration.
Example of a Transaction-Based Calculation
Suppose an investigation identifies:
- £12,000 in potentially unauthorised supplier payments
- £8,500 in expense claims requiring investigation
- £6,000 transferred to an unauthorised account
- £4,000 subsequently repaid to the business
The initial schedule would identify £26,500 of transactions requiring consideration before taking the £4,000 recovery into account.
This does not, by itself, establish a final recoverable loss of £22,500. Each transaction would need to be assessed against the available evidence, including whether the payment was authorised, whether the business received value and how the recovery should be treated.
The example is illustrative only. The financial treatment of an actual claim depends on its facts, evidence and applicable legal issues.
Distinguishing Loss From Suspicious Activity
Not every unusual transaction establishes fraud or a financial loss.
A forensic review may need to distinguish between:
- A transaction that appears unusual
- A transaction that lacks supporting documentation
- A transaction that may breach an internal procedure
- A transaction that is alleged to involve fraudulent conduct
- A transaction for which an identifiable financial loss can be supported by evidence
These categories should not automatically be treated as equivalent.
A careful calculation should explain the evidence supporting each amount and distinguish established financial information from matters that remain subject to investigation or dispute.
How Forensic Accountants Can Help With Loss Calculations
A forensic accountant may be instructed to analyse financial information and prepare a structured calculation based on the available evidence.
Depending on the assignment, the work may include:
- Reviewing accounting and banking records
- Reconstructing transactions
- Reconciling financial information
- Identifying potentially unauthorised payments
- Tracing relevant funds
- Quantifying identified financial effects
- Considering recoveries
- Preparing schedules showing the calculation
- Explaining the methodology and assumptions used
Where the calculation is required for litigation, the scope and presentation of the work will depend on the relevant procedural and evidential requirements.
A forensic accountant's financial analysis does not determine whether an employee is legally liable or whether a particular amount is ultimately recoverable. Those questions depend on the applicable legal framework and the relevant decision-making process.
What Evidence Can Support an Employee Fraud Loss Calculation?
The evidence required will vary according to the allegation. Commonly relevant material can include:
Banking Evidence
Bank statements and payment records can help establish when money moved, the amount involved and the receiving account.
Accounting Records
Ledger entries, journals and reconciliations can help connect individual transactions with the company's accounting records.
Payroll and Expense Records
Payroll information, expense claims and reimbursement records may be relevant where the suspected conduct involves employee payments or expenses.
Supplier Documentation
Invoices, purchase orders, contracts and supplier correspondence may assist in determining whether payments correspond to legitimate goods or services.
Internal Communications
Emails, messages and other business records may provide context for transactions and help explain approvals, instructions or disputed payments.
The relevance and evidential value of each document depend on the circumstances and how it relates to the wider body of evidence.
Why a Clear Calculation Method Matters
A civil recovery claim may involve scrutiny of how a loss figure was derived. A calculation that clearly identifies its source data, methodology, assumptions and adjustments can make the financial analysis easier to understand.
A well-organised schedule should generally allow a reader to trace the reported figure back to the underlying transactions and supporting records.
This can help separate financial information that is supported by evidence from assumptions, estimates or unresolved issues.
When the Loss Calculation Is Disputed
The amount of alleged loss may be contested for several reasons.
For example, the parties may disagree about:
- Whether a transaction was authorised
- Whether goods or services were actually supplied
- Whether the company received a benefit
- Whether a particular transaction should be included
- The appropriate calculation period
- Whether recovered amounts should be deducted
- Whether a particular financial effect is sufficiently supported by evidence
A forensic accountant can analyse the financial evidence within the scope of the instruction. Questions of legal liability and the ultimate amount recoverable are matters for the appropriate legal process.
Preparing a Transparent Loss Schedule
A useful loss schedule should make the calculation understandable and traceable.
Depending on the case, it may identify:
- Each relevant transaction
- The source record supporting the transaction
- The amount involved
- Any legitimate component
- Any recovery or adjustment
- The resulting amount included in the calculation
- Assumptions or limitations affecting the analysis
Keeping these elements distinct can make it easier to understand how the figures have been derived and where further evidence may be required.
Conclusion
Calculating employee fraud losses for a civil recovery claim involves more than adding together suspicious payments. The analysis may require transaction reconstruction, review of supporting records, consideration of legitimate expenditure, identification of recoveries and a clear explanation of how the resulting figures were derived.
Where financial loss is disputed, a structured forensic accounting analysis can help distinguish the underlying financial evidence from assumptions or unresolved issues. The appropriate methodology will depend on the facts of the case, available evidence and purpose for which the calculation is required.
For information about instructing a forensic accountant in an employee fraud matter, see the How to Instruct guidance.
Disclaimer: This article provides general information about financial loss calculations in employee fraud matters. It is not legal advice and does not determine whether any particular amount is legally recoverable.
Last Reviewed: September 2026