MIRAÏAvocats

Corporate Law

Share transfer lawyer in Paris: due diligence and warranties

Selling or acquiring a company or business, securing every stage of the deal.

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Selling or buying a company is often the deal of a lifetime. Behind the headline price lie considerable risks: an overlooked tax or employment liability, an overvalued customer base, a poorly transferred lease, a badly drafted warranty leaving the buyer without recourse. The value of a transfer lies as much in the documents as in the figure.

A share transfer lawyer in Paris, Maître Léa Scemama assists sellers and buyers at every stage of the transfer of shares, stock or business across France, from the letter of intent to final signing, including due diligence and the negotiation of warranties. See all our services in corporate law.

How we work

How we work
When we actWhat we doWhat you receive
Before the letter of intentChoosing between a share sale and a business sale, tax structuring of the dealA reasoned options note, with the figures
Due diligenceCorporate housekeeping, key contracts, employment and tax position, pending disputes, security over assetsA due diligence report and its effect on the price and on the warranty
NegotiationSale agreement, conditions precedent, warranty over assets and liabilities, and security for that warrantyA warranty that can actually be called, or a controlled exposure if you are selling
SignatureApproval clauses, employee information, registration, formalities and publicationA sale that is enforceable and free of formal defect
AfterwardsCalling or defending the warranty, challenging the price, the seller's non-competeProceedings brought within the contractual deadlines

Our billing arrangements are set out on our fees page.

Transfer of shares or of the business?

The first, often decisive, question is what is being sold. Transferring the shares means passing on the company with all its assets but also its liabilities, including hidden risks. Transferring the business means passing on only the operating assets, leaving the liabilities with the seller. Each route has its advantages, constraints and its own tax treatment.

Transfer of shares or sale of the business: what changes
Share transferSale of the business
What is transferredThe whole company, assets and liabilities includedOnly the operating assets: customers, trade name, lease, equipment
Fate of past liabilitiesTaken over by the buyer, hence the central role of the warranty of assets and liabilitiesRemain in principle with the seller
Buyer's main protectionThe warranty of assets and liabilities, to be negotiatedThe statutory regime itself: escrow of the price and clearance of oppositions
When the seller receives the priceOn signing, subject to any negotiated escrowDeferred, for the length of the statutory escrow
Registration dutiesDepending on the type of company, set out belowOn a progressive scale specific to businesses

The firm helps you choose the deal structure best suited to your asset and tax objectives, and to measure all its consequences before committing.

Due diligence and upstream security

Before any signing, the legal audit allows the buyer to know what they are actually acquiring: regularity of meetings and corporate life, validity of key contracts (lease, commercial contracts, financing), employment and tax situation, existence of pending disputes or security over assets. This audit shapes the price, the negotiation and the warranty.

The firm also structures the pre-contractual phase: letter of intent, confidentiality agreement, memorandum of understanding and conditions precedent (obtaining financing, authorisations, approvals).

The warranty of assets and liabilities: the decisive clause

In a share transfer, the warranty of assets and liabilities is the buyer's central protection. It requires the seller to compensate the buyer if a liability originating before the sale emerges afterwards, or if an asset proves overvalued. Its scope, caps, duration and the financial guarantees attached to it (escrow, bank guarantee) are negotiated hard.

A poorly drafted warranty can prove ineffective when the buyer needs it most. The firm defends your interests, whether you are the seller (limiting your exposure) or the buyer (obtaining real and actionable cover).

The six parameters that give a warranty its value

A warranty of assets and liabilities is not judged by its existence but by the setting of six dials. That is where the negotiation happens.

The six parameters of a warranty of assets and liabilities
ParameterWhat it setsWhat is negotiated
DurationThe period during which a claim remains admissibleA duration aligned with tax and social security limitation periods for those risks, shorter for the others
Trigger thresholdThe amount below which no claim is admissibleIts level, and whether it applies overall or per claim
DeductibleThe share that remains permanently with the buyerAn absolute deductible, or a mere threshold that opens compensation from the first euro
CapThe maximum compensation, expressed as a percentage of the priceIts level and the exceptions that escape it, tax and social security in particular
Guarantee of the warrantyWhat ensures the seller will payEscrow of part of the price or a bank guarantee, amount and gradual release
Notification periodThe time the buyer has to report a claimIts length and formalities, forfeiture being the usual sanction for delay

Market benchmarks (orders of magnitude). No legal rule sets these parameters: they are negotiated. The ranges commonly seen in practice, to be adjusted to each deal, are as follows.

Warranty of assets and liabilities: market ranges
ParameterCommonly observed market range
DurationGenerally 18 to 24 months, up to 36 months; 12 to 18 months for ordinary commercial risks; a duration aligned with tax and social security limitation periods, around three years, for those risks
Trigger thresholdAround 1 to 2% of the sale price, below which no claim is admissible
DeductibleA few thousand euros per claim, often €3,000 to €5,000 for a small or medium-sized business
Cap10 to 30% of the price, often around one third, up to 50% or even 100% for the riskiest deals and fundamental warranties; tax and social security are sometimes uncapped
Guarantee of the warrantyEscrow of 5 to 15% of the price held for the warranty period, or a bank guarantee, released gradually
Notification period15 to 30 days from discovery of the triggering event, delay being sanctioned by forfeiture

These orders of magnitude are indicative market benchmarks, not a scale: the right setting depends on the balance of power, the quality of the due diligence and the risks specific to the target.

Formalities, approval and tax

The transfer follows precise formalities whose breach can weaken it: approval procedure in SARLs and companies whose articles require it, prior information of employees in the businesses concerned, registration of the deed and payment of duties, publicity formalities for business transfers.

The rules on informing employees in advance changed on 27 July 2026.

Informing employees before a transfer from 27 July 2026
SituationWhat applies from 27 July 2026
Business with fewer than fifty employeesEach employee is informed individually, one month before the transfer
Business with fifty employees or more and a works councilThe works council is informed and consulted
BreachCivil fine capped at 0.5% of the price

Finally, tax is decisive: registration duties, taxation of the seller's capital gain, exemption or deferral schemes. The firm coordinates these aspects, where appropriate with your accountant, to optimise the deal within a secure framework.

Registration duties by type of shares transferred
Shares transferredRegistration duty
Shares in an SARL3% after an allowance
Shares in an SAS or SA0.1%
Shares in a real-estate-dominant company5%

What the Commercial Code provides

In an SARL, a transfer to an outsider requires the consent of a majority of partners holding at least half of the shares, and the company's silence for three months counts as consent (article L. 223-14 of the Commercial Code). If consent is refused, the partners must buy or have the shares bought within three months, at a price set if necessary by an expert appointed under article 1843-4 of the Civil Code, with the expert's fees borne by the company. A partner who has held the shares for less than two years cannot rely on this buy-back mechanism, except on succession, division of marital property or a gift to a spouse, ascendant or descendant. Any clause to the contrary is deemed unwritten.

Signing the deed is not enough. The transfer must be in writing, then made enforceable against the company by service or by lodging an original at the registered office against a certificate from the manager. It becomes enforceable against third parties only after the amended articles are published at the trade and companies register (articles L. 223-17 and L. 221-14 of the Commercial Code).

Transfer litigation

After the sale, disputes most often concern the enforcement of the warranty, the discovery of defects in consent (fraud, fraudulent concealment of the company's real state), challenges to the price or breach of the seller's non-competition undertakings. The firm brings or defends such claims before the competent commercial court.

Why a lawyer for your transfer?

A successful transfer is prepared well before signing. The lawyer secures the deal end to end and connects it with the existing shareholders' agreement and, often, with the transfer of the commercial contracts and the commercial lease attached to the business.

Frequently asked questions

What is the difference between a share transfer and a business transfer?

A transfer of shares passes on the company itself, including all its liabilities. A business transfer only passes on the operating assets (goodwill, lease, equipment), without the company liabilities. The choice has major legal and tax consequences.

What is a warranty of assets and liabilities?

It is a clause by which the seller undertakes to compensate the buyer if a liability originating before the sale comes to light afterwards (tax reassessment, employment dispute, hidden debt). It is the essential protection for the buyer of a company.

Is approval required to transfer shares?

In an SARL, the transfer of shares to a third party is subject to the partners approval by the legal majority. In an SAS or SA, approval depends on the articles and the agreement. Failure to follow the approval procedure may void the transfer.

What registration duties apply to a transfer?

The transfer of SARL shares is subject to a 3% registration duty after allowance, that of SAS/SA shares to 0.1%, and the transfer of shares in property-dominant companies to 5%. This difference in tax treatment often influences the choice of structure and deal.

In the same area of law

Written by Maître Léa Scemama, admitted to the Paris Bar, Miraï Avocats. This page states the law applicable at its update date. It is general in nature and does not constitute advice tailored to a particular situation.

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A transfer to prepare or secure?

Maître Léa Scemama assists you, seller or buyer, from due diligence to signing and warranty.