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Wage portage salary formula: step-by-step method
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The wage portage salary formula follows a clear path: revenue, management fees, then social charges. This guide walks through each step with a worked example. To test your own daily rate in seconds, use the Weepo simulator.
Wage portage salary formula: approximate gross = (daily rate x billable days) minus management fees (often 5% to 12%), then net = gross minus employee social charges. As a rule of thumb, net often lands around 45% to 55% of revenue depending on profile.
Key takeaways:
- The formula explains the mechanism; the simulator applies your personal numbers.
- Management fees and social charges move the net the most.
- A 500 EUR daily rate over 18 days is a useful worked example before you negotiate.
How is salary calculated in wage portage?
The wage portage salary formula starts from client revenue: daily rate times billable days (or an equivalent package). The portage company then takes management fees. On the remainder, it rebuilds a gross salary and applies employer and employee social charges like a classic employee. Net pay is never equal to revenue. In practice, 45% to 55% of revenue as net is a useful order of magnitude for many IT profiles, excluding reimbursed expenses and financial reserve. Exact rates depend on the agreement, age, and options (health plan, meal vouchers). For the legal frame of carried employees, see urssaf.fr and service-public.fr.
This page explains the mechanics. For a personalized result without rebuilding the spreadsheet, open the wage portage simulator.
Four steps: revenue, fees, gross, net
Step 1: compute monthly revenue (daily rate x days). Step 2: remove management fees (e.g. 8% of 9,000 EUR = 720 EUR). Step 3: on the balance, the portage company funds employer charges and rebuilds a gross. Step 4: remove employee charges to get net. Many internal tools use a global coefficient (often around 1.5 to 1.7 depending on parameters) to move from revenue to gross. That is not a universal rule. It is an approximation to grasp the scale. Keep a buffer for unpaid days (holidays, gaps between missions).
To go deeper on the daily rate itself, read the average daily rate guide.
Worked example: 500 EUR daily rate, 18 days
Take a consultant at 500 EUR per day over 18 days: revenue = 9,000 EUR. With 8% management fees, 8,280 EUR remains before payroll rebuild. Depending on the company schedule, gross may land around 5,500 to 6,200 EUR (order of magnitude, not a quote). After employee charges, net may sit roughly between 4,200 and 4,800 EUR depending on options. Always check your payslip and the grid of your wage portage company. The example teaches the formula. It does not replace a personal estimate.
If you compare two portage companies, align the same assumption (same daily rate, same days, same options) before you conclude. An all-in grid can look expensive, then turn neutral once health cover and reserve are included. Also note salary payment timing: a fair net paid late still hurts cashflow.
Change one variable (rate, days, fees) and net moves fast. That is why understanding the formula before you sign avoids surprises.
What the formula alone does not capture
Business expenses, financial reserve, optional 13th month, health cover, meal vouchers, and client payment delays change cash reality. The same revenue can yield two different nets across companies. Also compare admin time: in portage, part of that load is absorbed. For a wider remuneration view, browse Weepo remuneration pages.
Why learn the formula before opening the simulator
Understanding the wage portage salary formula stops you from treating a net figure as a promise. You see where each euro goes: fees, contributions, options. Only then plug your parameters into the simulator to save time. Doing the reverse (tool first, never the mechanics) creates confusion when the real payslip differs from a quick estimate. In practice, keep both: pedagogy here, estimate there.
Formula recap table
| Step | Input | Typical output |
|---|---|---|
| Revenue | Daily rate x days | Billed amount |
| Management fees | 5% to 12% | Revenue after fees |
| Gross | Payroll rebuild | Contribution base |
| Net | Gross - employee charges | Amount paid |
FAQ: wage portage salary formula
What is the wage portage salary formula?
Revenue = daily rate x days, then management fees, then gross rebuild and social charges. Net is a fraction of revenue, often near half depending on profile.
What is the difference between formula and simulator?
The formula explains the mechanism by hand. The simulator applies your parameters (rate, days, options) for a fast personal estimate.
Are management fees always the same?
No. They vary by company and sometimes by volume. Ask for the written grid before you compare two offers.
Can you compute net without a tool?
Yes, with a simple sheet and your company's rates. To go faster on your case, use the Weepo simulator.
Does net include business expenses?
Not automatically. Reimbursed expenses follow their own rules. Keep them separate from base net salary.
What to remember
- Clear formula: revenue, fees, gross, net.
- Useful example: 500 EUR / 18 days to frame the order of magnitude.
- Outside the formula: expenses, reserve, benefits.
- Complementary tool: the simulator for your personal case.
- Weepo: Weepo pairs the explanation with an online estimate.
Next: open the wage portage simulator, or explore portage at Weepo.
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