Entrepreneur permit: 7 mistakes that weaken your file

An entrepreneur permit file tells one story

The authorities judge the documents as a whole. They assess whether the project is real and viable across everything you submit. A single mistake can be explained. However, several inconsistencies between the business plan, the forecast and the evidence badly damage credibility.

A strong entrepreneur permit file therefore follows one thread: an offer, a market, figures and evidence that echo each other. Here are the seven mistakes that break that thread most often.

1. Presenting an idea that is too vague

"Doing consulting" says nothing about the client, the service or the price. Instead, describe a sellable offer, a target segment and a way to win customers. For example: a web accessibility audit for shops with fewer than ten staff, invoiced at €900. In an entrepreneur permit file, that precision makes everything else checkable.

2. Inventing revenue

Link income to price and volume. Use the day rate multiplied by billable days, or the average basket multiplied by the number of customers. Then explain the ramp-up, month by month. A round figure with no calculation immediately weakens an entrepreneur permit file.

3. Forgetting essential costs

Contributions, tax, professional insurance, software, accounting, travel and prospecting must all appear. Also check the rules of the scheme you choose, micro-entreprise or company. A missing item artificially inflates profitability. Yet the examiner knows these items and notices when they are absent.

4. Confusing profitability with cash

A profitable activity can still run short of cash. That happens when customers pay late or when spending comes before sales. A monthly cash flow plan reveals that gap and the start-up funding you need. To separate the two ideas clearly, read our article on the three tables to master.

5. Providing no market evidence

Competitor research, qualified conversations, quotes, pre-orders or letters of intent make assumptions more credible. For an entrepreneur permit, two or three concrete proofs beat a long theoretical study. Never announce a contract that does not exist, since a single check would destroy trust.

6. Ignoring your own income

The project must give you sufficient means of support. The forecast should therefore separate revenue, profit, cash and the income you can actually live on. An entrepreneur permit file that leaves the founder unpaid raises an obvious question: what will you live on?

7. Filing a generic or outdated file

Procedures and document lists change. Since 17 May 2026, the prior economic viability opinion relies on a national list of supporting documents. So tailor the request to the commercial, craft or liberal activity, to your prefecture and to the rules on the day you file. A template copied from a friend rarely fits your situation.

What a complete entrepreneur permit file contains

Beyond the mistakes, aim for a consistent whole. A complete entrepreneur permit file usually brings together several blocks.

• A clear presentation of the project and your background.
• A business plan describing the offer, the market and the strategy.
• A multi-year forecast, with a monthly cash flow plan.
• Market evidence: quotes, letters of intent, qualified conversations.
• The documents on the national list and those your prefecture requires.

Each block points to the same assumptions. For example, the price quoted in the offer reappears in the forecast. Likewise, the number of target customers matches the market evidence provided.

Entrepreneur permit: the final check

Before filing, reread every document with these questions.

• Do the same assumptions appear everywhere?
• Does each figure point to a calculation or a piece of evidence?
• Does the founder's income appear clearly?
• Does cash stay positive every month?
• Is the document list less than a month old?

To build the figures step by step, follow our guide to the business plan behind the file. The general framework also appears in our guide for international students.

Check consistency with Juristelo

Juristelo automatically links your assumptions to the financial tables. You can test a slower launch, add a forgotten cost and check whether cash and income remain sufficient. The tool prepares the economic case for your entrepreneur permit, but it cannot predict the administrative decision.

Check before filing: Service Public and the order of 13 May 2026 on the viability opinion.