Shareholders agreement in Spain: Template, Key Clauses and Local Law (2026)

What a Spanish shareholders agreement is, and the Article 29 limit A shareholders agreement in Spain (pacto de socios) is a private contract among some or all of the partners of a company, usually a sociedad limitada (SL) or a sociedad anonima (SA). It sets out how they will vote, transfer shares, fund the company and govern it. Spanish company law is the Capital Companies Act (Ley de Sociedades de Capital, approved by Royal Legislative Decree 1/2010). The pacto de socios sits alongside the bylaws (estatutos) but is governed mainly by general contract law. The defining rule is Article 29 of the Capital Companies Act: reserved agreements among partners (pactos reservados) are not enforceable against the company. In other words, the agreement binds the signatories as a contract, but a breach does not, by itself, let you unwind a corporate resolution. This gap between contract and company level is the single most important thing to understand about a Spanish shareholders agreement. This article is general guidance, not legal advice. Have a Spanish lawyer review a shareholders agreement before you sign. ## What local law requires in 2026 - Article 29: unenforceable against the company. Reserved pacts among partners are not opposable to the company. A resolution that merely contravenes the pact generally stands, and the innocent party is left with a contract claim.

• The omnilateral exception. Where every shareholder signs the agreement (an omnilateral pact), the prevailing doctrine accepts it can in practice be enforced against the company, so a resolution passed without a majority the pact required may be open to challenge. This is doctrine and case law, not a clean statutory rule, so treat it with care.
• Supreme Court position. The Supreme Court has confirmed that simply contravening a shareholders agreement is not enough, on its own, to annul a corporate resolution (for example ruling 300/2022 of 7 April 2022), and its case law in this area has not always been consistent.
• Remedies for breach are contractual. For a pact that is not omnilateral, breach gives the usual contract remedies, mainly damages, which are notoriously hard to prove and quantify. Penalty clauses are therefore common.
• Move key terms into the bylaws for erga omnes effect. To bind the company and future shareholders reliably, the relevant provisions (such as transfer restrictions or reinforced majorities) should be written into the bylaws, within the limits company law allows.
• Register publicity option. Listed companies have specific publicity rules for parasocial pacts; for private companies the pact is usually confidential. ## Spanish shareholders agreement template Copy the block below and fill the bracketed fields. Decide which terms also need to go into the bylaws, and consider penalty clauses to give the pact teeth. ``` SHAREHOLDERS AGREEMENT (PACTO DE SOCIOS) This agreement is made on [DATE] BETWEEN the shareholders of [COMPANY NAME], [SL / SA] ("the Company"): [SHAREHOLDER A], [SHAREHOLDER B], [SHAREHOLDER C] (the "Shareholders") 1. PURPOSE The Shareholders regulate their relationship as partners. [State whether all shareholders are signing, making this an omnilateral pact.] 2. GOVERNANCE AND VOTING Board composition and nomination rights: [terms]. Reserved matters needing [reinforced majority / unanimity]: [list]. Voting undertakings: [terms]. 3. TRANSFER OF SHARES Lock-up: [period]. Right of first refusal: [terms]. Tag-along and drag-along: [terms]. [Note: to bind the Company, reflect transfer restrictions in the bylaws.] 4. FUNDING Future funding, pro-rata rights, anti-dilution and consequences of not following on: [terms]. 5. DIVIDEND POLICY [Distribution policy, as agreed.] 6. DEADLOCK AND EXIT Deadlock resolution and exit mechanics: [escalation, buy-sell, drag, as agreed]. 7. NON-COMPETE AND CONFIDENTIALITY Confidentiality; any non-compete limited to [scope, area, duration]. 8. PENALTIES Breach of a voting or transfer undertaking triggers [penalty clause], without prejudice to other remedies. 9. RELATIONSHIP WITH THE BYLAWS Where this agreement and the bylaws conflict, the parties will [amend the bylaws / as agreed] to give effect to the agreed position. 10. TERM, GOVERNING LAW AND DISPUTES Term: [duration]. Spanish law applies. Disputes go to [arbitration / the courts of (place)]. Signed: Shareholder A ______ Shareholder B ______ Shareholder C ______

- **Omnilateral status (clause 1).** Whether every shareholder signs matters. An omnilateral pact has a better chance of being enforced against the company under the prevailing doctrine, so record who is signing.
- **Penalties (clause 8).** Since damages for breach are hard to prove, a penalty clause gives the voting and transfer undertakings real force between the signatories.
- **Transfer of shares (clause 3).** First refusal, tag-along and drag-along are standard, but remember they bind the company only through the bylaws, not the pact alone. ## Red flags to avoid - Assuming the pacto de socios binds the company. Under Article 29 it does not, unless the position is reflected in the bylaws.
- Relying on reversing a corporate resolution for breach of the pact. The Supreme Court has held that a mere breach is not enough to annul a resolution.
- A non-omnilateral pact where some shareholders have not signed, which weakens any argument for enforcement against the company.
- No penalty clause, leaving only hard-to-quantify damages.
- Transfer restrictions that live only in the pact and not in the bylaws.
- No deadlock or exit mechanism in a company with evenly matched blocs. ## Where a contract workspace helps A template gives you a workable Spanish shareholders agreement. The ongoing work is everything around it: deciding which terms must move into the bylaws to bind the company, keeping the pact and the bylaws consistent, recording whether the pact is omnilateral, backing undertakings with penalties, and tracking lock-up, drag and funding windows. Drafting from a shareholders-agreement template, checking which items belong in the bylaws, reviewing the voting and transfer terms, and tracking key dates can sit in one AI workspace tuned to how your company is held. [Adira](https://adiralaw.com) is built around that shape: it drafts from a template, models the agreement as linked clauses so a change to the transfer or majority terms can be traced through the document and checked against the bylaws, lets you edit in plain language, and keeps funding, lock-up and notice dates on one timeline. Adira is India-first today, and deeper Spain-specific corporate coverage is on its roadmap rather than a settled claim, so use it for drafting and review and keep a Spanish corporate lawyer for the local-law call. The template above is enough to start a fair agreement on its own. Last verified October 2026.