Temporary work, how much does it cost in 2026?
29 April 2026 · 7 min reading time
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See job offersThe real cost of temporary work for a company in 2026 is not simply the temporary worker’s gross salary. The user company pays an invoice to the temporary employment agency, which takes into account the employee’s pay, mission-related allowances, social charges and management fees.
To get a first estimate, you need to start from the gross salary or hourly rate, then apply the billing coefficient negotiated with the agency. This coefficient is what makes it possible to move from the reference salary cost to the amount invoiced to the company.
How much does a temporary worker really cost a company in 2026?
An invoice that goes beyond gross salary
A company that uses a temporary worker does not pay the worker’s salary directly. The temporary worker is employed by the temporary employment agency, and the user company pays an invoice for the worker’s assignment during the mission.
This invoice includes the temporary worker’s gross salary, the allowances specific to temporary work, social charges, as well as contract management, payroll and declarations. The cost paid by the company is therefore higher than the gross salary stated in the assignment contract.
The agency does not simply forward a profile. It recruits, draws up the contract, pays the temporary worker, handles social formalities and manages the administrative follow-up of the assignment.
What elements make up the cost of temporary work?
The reference gross salary
The first element to look at is the temporary worker’s gross salary. It may be expressed as a monthly salary or as a temporary hourly rate, depending on the duration of the assignment and the organization of working time.
This salary must take into account the position held, the required qualification and the pay elements applicable within the user company. A temporary worker must receive pay that is consistent with that of an employee with equivalent qualifications occupying the same position in the company.
This is the basis used by the agency to calculate allowances, contributions and the invoiced amount.
Allowances specific to temporary work
Temporary work provides for specific allowances, which affect the overall cost of the assignment. The best known is the end-of-assignment allowance, often called IFM. It is paid at the end of the assignment and represents at least 10% of the total gross pay due to the employee, except in specific cases.
This is supplemented by the compensatory paid leave allowance, or ICCP. It is due for each assignment and cannot be less than 10% of the total gross pay received during the assignment.
These allowances explain why the cost of a temporary worker cannot be compared only with the gross salary of an employee on a fixed-term or permanent contract. They are part of the economic and legal model of temporary work.
Social charges and employer-related costs
The temporary employment agency is the employer of the temporary worker. It therefore manages payroll, social declarations and the payment of contributions related to the assignment contract.
These charges are included in the overall cost invoiced to the user company. They vary depending on the level of pay, variable pay elements, possible exemptions and the rules applicable to the position.
For the user company, the advantage is that this management is outsourced. It does not directly pay the temporary worker’s charges as it would for one of its own employees, but it finds them indirectly in the agency’s invoice.
The temporary agency billing coefficient
The billing coefficient brings together all cost items into a single multiplier: charges, allowances, administrative management, recruitment and the agency’s margin.
It is not fixed. Negotiated between the company and the agency, it varies depending on the duration of the assignment, the scarcity of the profile, the recruitment volume, the level of qualification, working hours and the business sector.
A short, urgent or hard-to-fill assignment may therefore have a higher coefficient than a long and recurring assignment for a profile that is easy to recruit.
How to calculate the cost of a temporary worker in 2026?
The calculation formula
The most common calculation starts from the gross salary or gross hourly rate, then applies the agency’s billing coefficient.
The general formula is as follows:
Pre-tax cost of temporary work = reference gross pay x billing coefficient
When the calculation is based on hours, the formula becomes:
Pre-tax cost of temporary work = gross hourly rate x number of hours worked x billing coefficient
Example with a monthly gross salary of €2,000
Let’s take a one-month assignment with a reference gross salary of €2,000 and a billing coefficient of 1.90.
| Item | Amount |
|---|---|
| Reference gross salary | €2,000 |
| Billing coefficient | 1.90 |
| Estimated pre-tax cost | €3,800 |
The company does not pay €2,000, but around €3,800 before tax. This amount covers pay, allowances, charges and the agency’s service.
It is then important to distinguish between the pre-tax cost and the cost including VAT. For a VAT-registered company that can recover VAT, the relevant cost is often the amount excluding tax. For an organization that cannot recover it, the amount including VAT becomes more important in the budget analysis.
Example with a gross hourly rate
The calculation can also start from an hourly rate. This is often the case for short assignments or occasional needs.
Let’s imagine a temporary worker paid €13 gross per hour, for 140 hours worked over the month, with a billing coefficient of 1.85.
| Item | Calculation | Amount |
|---|---|---|
| Gross hourly rate | €13 | €13 |
| Number of hours | 140 h | 140 h |
| Gross base | 13 x 140 | €1,820 |
| Billing coefficient | 1.85 | 1.85 |
| Estimated pre-tax cost | 1,820 x 1.85 | €3,367 |
This type of calculation allows the company to quickly anticipate the budget for an assignment. However, it remains indicative, as the final amount also depends on the hours actually worked and variable pay elements.
What does the temporary work billing coefficient correspond to?
A coefficient negotiated with the agency
The billing coefficient is the key to understanding the cost of temporary work. It corresponds to the multiplier applied to the pay base to obtain the amount invoiced to the company.
This coefficient is not set by law. It is defined within the commercial relationship between the temporary employment agency and the user company. Two agencies may therefore offer different coefficients for the same need.
What the coefficient may cover
The coefficient covers several cost items. It may include social contributions, allowances specific to temporary work, management fees, payroll, declarations, recruitment, assignment follow-up and the agency’s margin.
| Item included in the cost | What it covers |
|---|---|
| Gross salary | Temporary worker’s base pay |
| IFM | End-of-assignment allowance |
| ICCP | Compensatory paid leave allowance |
| Social charges | Contributions related to the employee’s employment |
| Administrative management | Contract, payroll, declarations, file follow-up |
| Recruitment | Search, selection, exchanges with candidates |
| Agency margin | Payment for the service provided |
This table helps explain why a coefficient does not only correspond to the agency’s margin. Most of the invoiced amount is used to cover obligations related to employing the temporary worker.
Why the coefficient varies depending on the assignment
The coefficient may change from one assignment to another. A low-skilled, recurring and easy-to-fill position will not necessarily have the same coefficient as a technical, urgent position or one with strong working-time constraints.
The duration of the assignment also matters. A long assignment may make it possible to spread recruitment and management costs. A very short assignment sometimes requires as much administrative work as a longer assignment, which may affect the coefficient.
The business sector, hardship, night work, Sunday work, bonuses, travel expenses or scarcity of the profile may also influence the final cost.
Delegation or management contract: what impact on the cost of temporary work?
The delegation contract
In a delegation contract, the temporary employment agency handles the recruitment of the temporary worker. It searches for candidates, selects profiles and proposes the most suitable people for the assignment to the company.
This operating model is often more expensive, because the agency provides a complete service. It spends time understanding the need, identifying available profiles, checking their skills and supporting the start of the assignment.
Delegation is suitable for companies without an available talent pool, urgent needs or situations where recruitment time is limited.
The management contract
In a management contract, the company has already identified the candidate. The agency mainly intervenes to handle the administrative side of the contract: formalities, payroll, declarations, invoicing and administrative follow-up.
The cost may then be lower, because the agency does not carry out the full recruitment process. The billing coefficient is generally lower than in delegation, but it always depends on the negotiated conditions and the expected level of service.
This model may be of interest to a company that already has its candidates but wants to outsource the administrative management of the assignment.
Is temporary work more expensive than a fixed-term or permanent contract?
A visible cost that is often higher
Temporary work may seem more expensive than a fixed-term or permanent contract. The invoice includes salary, allowances, charges, administrative management, recruitment and the agency’s margin all at once.
This grouping makes the cost very visible. In direct recruitment, some costs are less immediately visible: time spent recruiting, posting job ads, sorting applications, interviews, payroll management, onboarding or replacement in case of failure.
The comparison must therefore go beyond the gross invoiced amount.
Indirect costs to take into account
To compare temporary work with a fixed-term or permanent contract, indirect costs must be included. A company that recruits by itself must spend time searching for candidates, communicating with them, handling administrative formalities and following up with the employee.
These costs do not always appear in a budget table, but they do exist. Temporary work can help reduce them, especially when the need is temporary or urgent.
For a long-term, recurring and clearly identified need, direct recruitment may, however, be more relevant. The right choice depends on the duration of the need, the level of urgency and the company’s ability to manage recruitment itself.
A solution suited to temporary needs
Temporary work is especially useful for meeting a short-term need: replacing an absent employee, handling a temporary increase in activity, seasonal reinforcement or an assignment requiring a specific skill over a short period.
In these situations, the visible cost may be higher, but it comes with greater flexibility. The company pays for a resource that is quickly available, with administrative management largely handled by the agency.
The question is therefore not only whether temporary work costs more, but whether this cost matches the level of flexibility, speed and service the company needs.
How to control the cost of temporary work in 2026?
Define the need precisely
Controlling the cost of temporary work starts with defining the assignment precisely. The clearer the need, the easier it is for the agency to propose a suitable profile and avoid adjustments along the way.
The company should specify the position, working hours, estimated duration, expected skills, physical constraints, possible bonuses and desired experience level. A need that is too vague can lengthen recruitment or lead to a poorly matched profile.
A well-defined assignment also helps limit unexpected extensions and additional costs linked to overtime, bonuses or changes in organization.
Compare billing coefficients
Comparing several coefficients can help better understand the proposed price. Two agencies may apply different coefficients for a similar assignment.
However, the comparison must be made on an equivalent basis. It is important to check what the coefficient actually includes: recruitment, management, follow-up, replacement, responsiveness, management tools, invoicing conditions and any additional fees.
A lower coefficient is not always the best choice if the service is less complete or if the company loses time managing difficulties internally.
Check variable pay elements
The final cost of an assignment may increase if variable elements are added to the base salary: bonuses, overtime, night work premiums, Sunday work, public holidays, travel allowances or meal allowances.
These elements must be identified before the assignment starts, not afterwards.
Anticipate the real duration of the assignment
The duration of the assignment has a direct impact on the cost. An assignment that is extended several times may end up representing a larger budget than expected. An assignment that is too short may generate a higher coefficient or make recruitment more difficult.
Before using an agency, the company should therefore estimate the most realistic duration possible. This makes it possible to obtain a more accurate quote and choose the right type of contract.
When the need may last, comparing several scenarios can help avoid a poor choice: short assignment, renewable assignment, fixed-term contract or direct recruitment. Each option has advantages depending on the real duration of the need and the company’s constraints.
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