Business Lawyers in Madrid: Comprehensive Legal Advisory for Companies

Madrid is Spain's primary judicial, regulatory, and economic capital, hosting the Supreme Court (Tribunal Supremo), the National High Court (Audiencia Nacional), the National Competition and Markets Commission (CNMC), the National Securities Market Commission (CNMV), and the Spanish Tax Agency's (AEAT) national headquarters. Companies operating in Madrid are subject to Spanish national law — including the Ley de Sociedades de Capital (LSC), the Workers' Statute (Estatuto de los Trabajadores), the Ley Concursal (TRLC), and the GDPR as applied by the AEPD — as well as the Madrid Community's specific regulations in areas such as urban planning, environmental licensing, and regional taxes. The concentration of Spain's highest-impact courts and regulatory bodies in Madrid creates a distinctively demanding legal environment for businesses.

Why Madrid requires business lawyers with specific knowledge of its regulatory environment

Madrid is not simply Spain’s economic capital. It is also the country’s judicial and regulatory capital. Within a small radius, you find the Supreme Court, the National High Court, the CNMC, the Spanish Data Protection Agency, the Bank of Spain, the CNMV, and the AEAT Central Large Taxpayer Delegation. Companies operating here — regardless of size — are at the epicentre of the most intensive inspection, enforcement and judicial activity in Spain.

The practical implication for any company with a significant seat or operations in Madrid: legal risks are real, regulatory exposure is multi-front, and the complexity of proceedings demands advisers with proven experience in local forums. A firm that does not regularly work before the Madrid Commercial Courts, the National High Court’s Administrative Division, or the AEAT inspection teams is at a disadvantage when a dispute arises.

Our Madrid legal team: comprehensive coverage from daily advisory to complex litigation

From our Madrid office we provide comprehensive legal coverage for companies of all sizes: growth-stage startups, family-owned SMEs internationalising, Spanish subsidiaries of European and American groups, and large corporations with cross-cutting legal needs.

Our model is that of a full-service in-house counsel: we are not area specialists who refer out the rest, but a multidisciplinary team covering commercial law, employment law, criminal compliance, data protection and litigation and arbitration through a single trusted relationship.

Courts and regulators in Madrid that your company needs to know

Madrid concentrates the jurisdiction of the most relevant judicial and regulatory bodies in the Spanish system:

• Supreme Court: final instance for civil, commercial, administrative and social matters. Supreme Court rulings set the doctrine applied by all lower courts.
• National High Court (Audiencia Nacional): exclusive jurisdiction in national-scope unfair competition, CNMC sanction appeals, and economic crimes of national significance.
• Madrid Commercial Courts: first instance for insolvency, intellectual property, unfair competition and commercial companies. Spain’s highest-volume and most specialised commercial courts.
• CNMC: competition authority with enforcement power reaching up to 10% of the group’s global turnover. Most CNMC inspection activity is Madrid-centred.
• AEAT — Central Large Taxpayer Delegation and Madrid Special Delegation: the two most active and technically sophisticated tax inspection units in Spain.

What our legal advisory for companies in Madrid includes

Commercial and corporate: company formation, statute amendments, shareholders’ agreements, corporate transactions, commercial contracts and investor relations.

Employment: ERE/ERTE programmes, individual dismissals, labour inspectorate proceedings, SMAC, Social Courts and the Madrid Superior Court of Justice.

Compliance: criminal compliance programme (Article 31 bis CP), whistleblowing channel (Law 2/2023), AML prevention and sector-specific compliance.

Data protection: outsourced DPO, GDPR audits, breach management and AEPD relations.

Litigation: judicial proceedings before Commercial Courts, the National High Court and the Supreme Court, and national and international arbitrations.

Request an initial meeting with our Madrid legal team. The diagnostic consultation is free and will help identify your company’s main legal risks and the most efficient coverage model. Contact us through our Madrid office or request an appointment directly from here.

CNMC and Competition Law in Madrid: What Your Company Needs to Know

The Comisión Nacional de Mercados y la Competencia (CNMC) is headquartered in Madrid and is the regulator with the greatest sanctioning power in the Spanish administrative legal system: fines for competition law infringements — cartels, abuse of dominant position — can reach 10% of the entire group’s global turnover, not just the infringing entity’s revenue. Over the past five years, the CNMC has significantly intensified its inspections in sectors including energy, food retail, telecoms, professional services, and public procurement.

The most frequent risk situations for Madrid-based companies include: exchanging information on prices or commercial strategies with competitors in industry association settings, clauses in distribution contracts that imply resale price maintenance or restrict online sales, and post-contractual non-compete agreements that are excessive in duration or scope. Many of these situations arise unintentionally: a manager who shares cost data at a sector meeting, or a distribution contract drafted without reviewing the Vertical Block Exemption Regulation, can generate real sanctioning exposure.

A competition compliance programme — competition policy, commercial team training, procedures for tenders and sector meetings — is the preventive instrument that reduces both the probability of an infringement and the sanction if one occurs. The CNMC explicitly values the existence and quality of a compliance programme as a mitigating factor in fine determination.

Pre-Litigation MASC Requirement Under Organic Law 1/2025

Organic Law 1/2025, with effect from 3 April 2025, introduced a mandatory Adequate Dispute Resolution Mechanism (MASC) attempt as an admissibility condition for most civil and commercial claims in Spain. In practice, before filing a claim before the Madrid Commercial Courts, parties must evidence that they have attempted to resolve the dispute through mediation, conciliation, a binding offer, or another recognised MASC.

The implications for companies with Madrid litigation are significant. The litigation strategy must now incorporate the MASC phase from the outset — not as a formal procedural step, but as a genuine resolution opportunity that can be faster and more economical than court proceedings. Preparation of the MASC requires the same rigour as preparation of the claim: the position taken in negotiation or mediation can have procedural consequences if court proceedings later arise. Unjustified refusal to attempt the MASC can also have adverse costs implications.

Criminal Compliance in Madrid: Article 31 bis CP and the Anti-Corruption Prosecutor’s Office

Madrid is where the most relevant corporate criminal proceedings in Spain are handled: the Anti-Corruption and Economic Crimes Prosecutor (Fiscalía Anticorrupción) is based here, the National High Court has jurisdiction over certain nationally significant offences, and Madrid’s criminal courts handle the country’s highest volume of economic crime proceedings.

Article 31 bis of the Criminal Code, reformed in 2015, establishes corporate criminal liability with an exemption regime based on the existence and genuine effectiveness of a compliance programme. For the programme to operate as a full exemption — not merely a mitigating factor — it must meet requirements that go beyond documentation: a genuinely independent supervisory body, real training for personnel, an incident-response protocol, and evidence that the programme is actually applied.

A criminal compliance programme that exists on paper but is not implemented in practice is not an exemption — it is, at best, a mitigating factor, and at worst, evidence that the company knew the risks and failed to prevent them. The Anti-Corruption Prosecutor’s Office has developed a doctrine on the elements it considers essential in a genuine criminal compliance programme, which our team applies in every programme it designs.