Starting a company: the legal documents to prepare (and how AI speeds up each step)

On paper, starting a company is a decision. In practice, it's a documentation project: a dozen interdependent pieces where a single inconsistency between two documents gets your filing bounced. We went through a real corpus of French incorporation files — articles of association for single-founder companies, variable-capital bylaws, registration forms, complete formation dossiers — to extract what follows: the documents that show up in every filing, where the time actually goes, and what a freelancer can genuinely hand to AI without taking legal risk. The examples are French, but the pattern holds for most jurisdictions.

What a formation dossier actually contains

Whatever legal form you pick, a complete formation file revolves around the same core set of documents:

• Articles of association (bylaws): the central document. It fixes the legal form, the corporate purpose, the registered office, the share capital, governance rules and shareholder clauses (approval clauses, variable capital, and so on).
• The registration form: the administrative declaration filed with the business registry.
• Proof of capital deposit: evidence that cash contributions were actually deposited.
• The legal notice: the official publication restating the key facts from the bylaws — name, form, capital, office, directors.
• The beneficial-owners declaration: who actually controls the company.
• Supporting documents: director ID, proof of registered address, sworn statements.
• Company registers to open at incorporation: the register of shareholder decisions and the mandatory statutory books.

Here's what most guides skip: these documents quote each other. The company name, address, capital amount and director identity appear in the bylaws, in the registration form, in the legal notice and in the supporting documents. One mismatched detail between two pieces and the registry sends the whole file back.

Why it takes weeks when you do it alone

None of these documents is hard in isolation. The cost is in the round-trips: you draft the bylaws, discover a missing clause while filling the registration form, fix it, and now the legal notice no longer matches. Add the vocabulary problem — president versus manager, shares versus units, fixed versus variable capital — which shifts with the legal form and makes generic templates a trap: a template for one form recycled for another produces an inconsistent document, not an adapted one.

What AI speeds up — and what it doesn't replace

Let's frame this honestly. AI won't pick your legal form, won't validate an unusual structure, and doesn't replace review by a legal professional when your situation isn't standard. What it does extremely well: produce coherent draft documents from decisions you've already made, and cross-check consistency between pieces. That's where the lost hours actually live.

Bylaws: start from a proven frame, not a blank page

The right move is not "write me some bylaws". It's a structured prompt that starts by interviewing you: single founder or several, fixed or variable capital, who runs the company, which approval clauses, what corporate purpose. With those answers, the AI fills a proven clause-by-clause frame in the correct vocabulary for the chosen form. Encoded as a Claude skill — like the ones in the Claude Skills Stack — the procedure becomes repeatable: the tenth dossier gets the same rigor as the first, which matters if you assist company founders as a freelancer.

Legal notice and forms: hunting inconsistencies

The legal notice and the registration form contain almost nothing that isn't already in the bylaws. Two immediate AI uses: generate the notice draft from the finalized bylaws instead of in parallel, and run a cross-check — hand over all three documents and ask for the exact list of divergences (name, office, capital, directors, dates). That mechanical proofread is precisely what a tired human misses at 7pm, and it's what keeps a filing from being rejected.

The full-dossier checklist

The formation dossiers in our corpus make one thing obvious: much of the value of good support is simply the right list of documents for the specific case. That's exactly what a well-built prompt produces in a minute — the checklist for your form and situation, with each item's status (to draft, to sign, to obtain from a third party) and the logical order: you don't publish the notice before the bylaws are frozen.

The method, in four steps

• 1. Freeze the decisions. Form, founders, capital, office, director, special clauses. Until these are settled, draft nothing.
• 2. Generate the drafts. Bylaws first, then the derived documents, using structured prompts that enforce the right vocabulary — the approach behind the Prompt System Solopreneur.
• 3. Cross-check everything. The AI compares every piece and lists divergences, detail by detail.
• 4. Get it validated, then file. Systematic human review — a professional whenever the structure isn't standard — before signing and filing.

If you want the full picture on how skills work — the format, installation, freelance use cases — we covered it in our complete Claude Skills guide. And if you support company founders, the AI for legal and company formation page gathers the Chipie Studio resources built for exactly that work.

The takeaway

A formation dossier is a system of interdependent documents: bylaws, registration form, capital deposit proof, legal notice, beneficial owners, registers. Time is lost in inconsistencies between pieces, not in the drafting itself. AI is ruthless at exactly that: generating coherent drafts from your decisions and cross-checking every detail. Keep the decisions and the final validation on the human side — delegate the production. That split is what turns a multi-week filing into a matter of days.