Due diligence lawyer in Paris: auditing the target before signing.

It is the full audit of the target before the sale agreement is signed. Legal DD covers the shares, governance, key contracts, leases, employment, intellectual property, compliance, litigation and tax. It leads to a decision report: sign on the negotiated terms, renegotiate the price, calibrate the warranty, or abandon the deal. Legal DD is distinct from financial DD (the figures) and tax DD (taxes), even though the three are coordinated and feed the same warranties in the SPA.

A law firm specialised in company law and M&A, depending on the scope. For a mid-cap or international transaction, the firm manages foreign correspondents and coordinates the sector audits (IP, employment, GDPR, environment). The chartered accountant conducts the financial DD, and the statutory auditor (commissaire aux comptes) steps in for merger transactions. The buyer keeps the final decision, but the quality of the DD determines its ability to make it.

Four to eight weeks for a standard French SME, from scoping to delivery of the final report. A multi-jurisdiction mid-cap target, or one with foreign assets, takes eight to sixteen weeks. The Q&A between buyer and target often account for four to six weeks on their own. Skipping this phase means exposing yourself to years of post-closing litigation over the warranty and indemnity agreement.

Each party bears its own costs. The buyer pays for its buyer DD (lawyers, accountants, sector advisers). The seller pays for its vendor DD when it commissions one, which it then makes available to the buyer under an NDA. Audit costs often represent one to three per cent of the price for an SME, more for a complex transaction. The firm prepares a quantified quote as soon as the letter of intent is signed.

Vendor DD is commissioned by the seller to prepare the sale: it anticipates buyers' questions and speeds up the process. Buyer DD is commissioned by the buyer to verify the target: it leads to the seller warranties to demand in the SPA and to the scope of the GAP. The two DDs frequently coexist on mid-cap transactions, with the buyer DD completing and challenging the conclusions of the vendor DD.

The NDA governs the circulation of sensitive data before the data room is fully opened. It provides for confidentiality, use limited to the purposes of the project, the list of authorised recipients, the duration and the sanctions. The electronic data room logs every access. The buyer receives a named login. The most sensitive documents (top-10 customer contracts, non-public litigation, employee data) remain in supervised viewing.

Yes. Exchanges between the buyer and its lawyer, and the DD notes addressed to its client, are covered by professional secrecy under Article 66-5 of the Law of 31 December 1971. This protection applies to working documents, emails and the final report. It does not cover the documents provided by the target, which remain subject to the NDA alone. This distinction governs how documents may be shared within the investment committee.

Article 1112-1 of the Civil Code requires the party holding information of decisive importance to disclose it where the other party is legitimately unaware of it. Intentional concealment of such information amounts to fraudulent concealment, sanctioned by Article 1137 of the Civil Code. The Commercial Chamber recalls that a mistake resulting from fraud is always excusable, even for an experienced transferee (Cass. com. 18 September 2024, No. 23-10.183, Le Sleeping sale). The sanction can go as far as annulment of the sale.

Three main mechanisms. First mechanism: a direct price reduction where the DD identifies a quantifiable latent liability (a probable tax reassessment, an employment dispute that can be provisioned). Second mechanism: a post-closing adjustment by locked-box or closing accounts, calibrated on the accounting anomalies detected. Third mechanism: an earn-out limiting the price paid immediately and making the balance conditional on verifiable post-closing performance. The DD quantifies the acceptable range for each of these mechanisms.

The DD report feeds directly into the scope, cap and duration of the GAP. The more residual risks the DD identifies, the broader the GAP must be: a higher cap (up to 30% of the price), a longer duration (up to five years for tax and employment), a reduced deductible, a security escrow. Conversely, a clean DD allows the buyer to reduce its GAP requirements and the seller to recover its cash sooner. The GAP is the tool through which the conclusions of the DD are turned into money.

When the DD reveals a systemic risk that destroys the investment thesis: excessive dependence on a single unsecured customer, the announced departure of the longstanding manager with no successor, a credible challenge to the intellectual property, tax or criminal illegality that contaminates the target, or the seller's refusal to provide decisive information. The practical rule: if the warranty and indemnity agreement would have to exceed 30% of the price, the risk becomes unmanageable. It is better to lose the audit costs than to fund a booby-trapped acquisition.

For a French SME with a single level of ownership, a budget of €15,000 to €35,000 excl. VAT covers the standard legal audit (shares, governance, contracts, employment, IP, compliance, litigation). For a mid-cap with subsidiaries or foreign correspondents, the budget moves to time-based billing with a negotiated cap, often between €50,000 and €150,000 excl. VAT. The quote is fixed once the scope has been agreed with the firm and the letter of intent signed.

Yes, but the scope changes. The DD focuses on the authenticity of the business (fonds de commerce), the commercial contracts transferred, the commercial lease, the staff transferred automatically (Article L. 1224-1 of the French Labour Code), customer and supplier disputes, and the related intellectual property. The DD of a business is faster than a share deal DD but requires the same rigour on the contracts and the lease. The firm adapts the format to the type of asset sold.

Five years from discovery of the defect (Article 2224 of the Civil Code). Time does not run as long as the buyer could not reasonably have discovered the concealment. The Commercial Chamber recalls that fraudulent concealment always makes the induced mistake excusable, whatever the transferee's experience (Cass. com. 18 September 2024, No. 23-10.183). In practice, the DD documents the buyer's knowledge on the day of signing and conditions the admissibility of any later action.

The SPA usually provides for a clause giving jurisdiction to the Paris commercial court (tribunal de commerce) or an arbitration clause (ICC, AFA). Absent a clause, jurisdiction lies with the commercial court of the defendant's registered office. For cross-border transactions, international arbitration is the preferred route to neutralise geographic risk. The firm regularly pleads before the Paris commercial court in GAP disputes.