Areas of expertise
Specializations
- Commercial contracts
- Debt restructuring
- Commercial litigation
Languages
Biography
Role
Carlos Martinez is part of the BMC team as Partner - Legal Division, based in the Madrid office.
Practice areas
- Commercial law
- Employment law
- Debt recovery
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Services led
Practice areas where Carlos serves as lead advisor or active contributor
Preparation and filing of quarterly and annual tax returns: VAT, personal income tax, corporate income tax, informative declarations, and tax payment calendar management.
View service VAT RepresentationSpanish VAT fiscal representative for non-established businesses carrying out VAT-liable transactions in Spanish territory.
View service Commercial Lawyer in BarcelonaCommercial lawyers in Barcelona: 22@ district startups, industrial groups, technology contracts, shareholders' agreements, corporate transactions and commercial compliance before the Barcelona Mercantile Registry, with local registered counsel.
View service Commercial Lawyer in BilbaoCommercial lawyers in Bilbao: industrial companies, energy sector, shipping, corporate transactions, shareholders' agreements and commercial compliance before the Bizkaia Mercantile Registry. Remote advisory with local registered counsel.
View service Commercial Lawyer in MálagaCommercial lawyers in Málaga: Costa del Sol business, Málaga tech hub, international companies, PTA (Parque Tecnológico de Andalucía) and non-resident companies.
View service Commercial Lawyer in ValenciaCommercial lawyers in Valencia: agri-food, logistics and ceramics sector companies, distribution and export contracts, corporate transactions, shareholders' agreements and commercial compliance before the Valencia Mercantile Registry, with local registered counsel.
View service Horizontal Property and Owners' CommunitiesLegal advice on horizontal property law (Ley 49/1960 LPH): community constitution, general meetings, challenge of resolutions, special levies, tourist-rental restrictions, and debt recovery from defaulting owners.
View service Business Lawyers in MadridFull-service business law firm in Madrid: commercial law, employment, corporate compliance, data protection and litigation. Madrid office. Free initial consultation.
View service LGBTQ+ Workplace Protocol and MeasuresDesign and implementation of mandatory LGBTQ+ measures and protocol for companies with 50 or more employees under RD 1026/2024, in force since October 2024.
View service Real Estate Lawyer in MadridReal estate lawyers in Madrid: legal due diligence, SOCIMIs, golden mile, commercial leases and international investors. Expert property advisory in Madrid.
View service Tourist Rental: Licences and TaxLegal and tax advisory on tourist apartments: regional licence, compatibility with the homeowners' community (Art. 17.12 LPH), VAT + IAE, income tax under direct assessment and compliance with local regulations.
View service Electronic Invoicing & VerifactuCompliance with Spain's mandatory electronic invoicing obligation: analysis under the Ley Crea y Crece, implementation of Verifactu or SIF systems, integration with existing software and management of the phased entry-into-force timeline.
View service Debt RecoveryProfessional debt recovery combining amicable negotiation with effective legal action to restore your cash flow.
View service Company Dissolution and Winding UpFull legal, tax, and employment management of the company dissolution and winding-up process. Director protection, orderly extinction of obligations, and definitive deregistration with zero outstanding personal liability.
View service DAC8 and Crypto-Asset Tax ObligationsAdvisory on compliance with the DAC8 Directive (EU 2023/2226) on crypto-asset information exchange, in force from 2026. Obligations for CASP providers and user reporting.
View service Public Procurement & TenderingEnd-to-end advisory for companies bidding for Spanish public contracts, covering bid preparation, exclusion grounds, the special procurement review (REMC), and contract execution under Spain's Public Sector Contracts Act (LCSP 9/2017).
View service Right to Digital DisconnectionAdvisory to companies on the right to digital disconnection: mandatory policies, Art. 18 Law 10/2021, GDPR Art. 88 and protection against employment claims.
View service Collective Dismissal — EREComprehensive advisory on collective redundancy proceedings (ERE) and collective dismissals: management of the consultation period, supporting documentation, negotiation with workers' representatives and communication to the labour authority.
View service Economically Dependent Self-Employed (TRADE)Registration, contract and protection of the TRADE status: compliance with LETA Law 20/2007, mandatory contracts with the principal client and defence before the Labour Inspectorate.
View service Employment Law in Spain 2026: Dismissals, Collective Agreements & HR ComplianceComprehensive employment law services that protect your business and ensure compliance with Spanish labour regulations.
View service Employment Lawyer for Companies in MadridEmployment lawyers for businesses in Madrid: ERE/ERTE, unfair dismissal, Labour Inspectorate, SMAC and Social Courts. Business employment defence and prevention.
View service Pay Register and Gender Pay GapPreparation and maintenance of the mandatory pay register for all companies in Spain. Compliance with RD 902/2020 — data by category and sex, gender pay gap calculation, and preparation for EU Pay Transparency Directive 2023/970.
View service SMAC Labour ConciliationRepresentation at the SMAC conciliation hearing (Art. 63 LRJS): dismissals, monetary claims, substantial modifications and employment disputes before litigation.
View service Unfair DismissalLegal management of unfair dismissal in Spain: compensation calculation, time limits, SMAC conciliation filing and defence before the Social Court. We minimise cost and risk for the company.
View service Working Time RecordingImplementation of the mandatory daily working time register required since RDL 8/2019: start and end of working day, 4-year retention, Inspectorate access and fines of €751 to €7,500 per worker.
View service Corporate ImmigrationEnd-to-end management of work permits, visas, and international talent mobility for companies operating in Spain — ICT transfers, EU Blue Cards, highly-qualified professional authorisations, digital nomad visas, and Beckham Law coordination.
View service Spain Digital Nomad Visa 2026: €2,762/mo, Beckham Stack, 20-Day ResolutionObtaining and renewing the digital nomad visa in Spain: Ley 28/2022 requirements, income threshold (~€2,520/month), remote work evidence, Beckham Law election, and family reunification.
View service Entrepreneur Visa SpainObtaining the entrepreneur residence authorisation under Ley 14/2013 Art. 69: ENISA project evaluation, economic interest assessment, 3-year initial residence, and Startup Act tax regime coordination.
View service EU Blue Card Spain (Tarjeta Azul UE)EU Blue Card in Spain: Directive (EU) 2021/1883 transposed by Law 11/2023, 2026 salary threshold €39,269.92/year (Orden PJC/44/2026), 20-day UGE-CE resolution, intra-EU mobility after 12 months, Beckham Law compatible.
View service Highly Qualified Professional Permit (Spain)Spanish residence and work authorisation for highly qualified professionals: Ley 14/2013 Art. 71, UGE-CE fast-track, 20-day statutory resolution, no labour market test, Beckham Law coordination.
View service Residence in Spain for Investors after the Golden Visa AbolitionSpain's Golden Visa was fully abolished on 3 April 2025 by Organic Law 1/2025 (LO 1/2025). All modalities — real estate, public debt, shares, funds, bank deposits, and business projects — are repealed. We advise on the genuine alternatives: digital nomad visa, entrepreneur visa, and non-lucrative residence.
View service Real Estate Tax Advisory in SpainSpecialist real estate tax advisory: ITP transfer tax, AJD stamp duty, VAT on new developments, income tax on rental yields, and SOCIMI regime for investment portfolios.
View service Tax Due Diligence in Spain: CIT, VAT and AEAT Risk in M&ASpecialist tax due diligence for M&A transactions in Spain: Corporate Income Tax contingencies, VAT, transfer pricing, tax loss carry-forwards, AEAT exposure and SPA contractual mechanisms.
View service Tax Restructuring: FEAC Neutrality Regime in SpainAdvisory on Spain's FEAC tax neutrality regime (Arts. 76-89 LIS): mergers, full and partial demergers, business unit contributions and share swaps with full corporate tax deferral.
View service Employment ComplianceComprehensive employment compliance programme: working-time registration, equality plans, pay transparency, harassment protocols, remote work agreements, and labour inspection defence.
View service Remote Work and Telework ComplianceFull legal compliance for telework arrangements under Ley 10/2021. Written agreements, expense policies, SEPE registration, cross-border remote work, and digital disconnection obligations.
View service Workplace Equality PlanDrafting, negotiation, and registration of the mandatory equality plan for companies with more than 50 employees. Full compliance with RD 901/2020 and registration in REGCON.
View service Workplace Harassment ProtocolDesign and implementation of the mandatory sexual harassment and gender-based harassment protocol for all companies, in accordance with Article 48 of Organic Law 3/2007 and Law 15/2022 on equal treatment.
View service Commercial ContractsBespoke drafting and negotiation of commercial contracts: distribution, agency, franchise, joint venture, SaaS, and general terms. Genuine legal protection for every commercial relationship.
View service Commercial LawExpert commercial law advisory to safeguard your business operations and protect your corporate interests.
View service Corporate Governance & ComplianceDesign and implementation of corporate governance frameworks tailored to each stage of company growth. Articles of association, board regulations, family business protocol, director remuneration policy, and good governance compliance programmes for companies from 10 employees to listed entities.
View service Company FormationCompany formation in Spain — SL, SLU, and SA — with the right legal structure from day one. Full registration process completed in 10 business days.
View service Corporate TransactionsIntegrated legal, tax, and employment advisory for mergers, demergers, corporate transformations, global transfers of assets, and hive-downs. Poor execution can generate registration nullities, tax contingencies, and labour disputes that destroy transaction value.
View service Shelf CompaniesBuy a pre-formed limited company (SL) or corporation (SA) in Spain, ready to trade within 24 hours. Definitive tax ID, certificate of inactivity, and zero liabilities. Sign in person or by power of attorney from anywhere in the world.
View service Shareholders' AgreementDrafting and negotiation of shareholders' agreements (pactos parasociales) for startups, family businesses, and multi-shareholder companies. Conflict prevention, exit clauses, and internal governance.
View service Unfair Competition & Competition LawDefence and enforcement of unfair competition claims (Ley 3/1991, LCD) and competition law advisory: CNMC investigations, abuse of dominant position, cartel agreements, compliance programmes and private enforcement of competition damages.
View service Startup Vesting and Cliff AgreementsLegally compliant vesting schedules, cliff clauses, and equity incentive plans for Spanish startups. Tax efficiency under Ley 28/2022 (Startup Act), good/bad leaver provisions, and accelerator triggers.
View service Business Mediation (Mandatory MASC)Civil and commercial mediation services under Organic Law 1/2025. Since April 2025, Spanish courts reject claims without prior proof of a MASC attempt (mediation, conciliation, or assisted negotiation). We design the protocol, facilitate the process, and issue the court-ready certificate.
View service Director and Officer LiabilityPersonal liability audit for directors and officers, compliance programme for the governing body, D&O insurance advisory, and defence in liability claims. Prevention and comprehensive protection against civil, insolvency, and criminal liability of company directors.
View service Domain Name Recovery (UDRP)Recovery and defence of domain names through the WIPO UDRP procedure and EURID ADR proceedings for .eu domains. Cybersquatting and trade mark confusion disputes handled for complainants and registrants.
View service Industrial DesignsRegistration and defence of industrial designs in Spain and the EU: Law 20/2003, EU Regulation 6/2002 and procedure before the OEPM. Protection of the external appearance of products.
View service Intellectual PropertyComprehensive protection of trademarks, patents, trade secrets, copyright, and IP assets in Spain and the European Union.
View service Litigation & ArbitrationRepresentation and strategy in civil and commercial litigation and national and international arbitration for businesses.
View service Municipal Capital Gains Tax Recovery (Plusvalía)Recovery of overpaid municipal capital gains tax (IIVTNU) following STC 182/2021 and management of the new methodology under RDL 26/2021: objective method versus actual gain method, four-year limitation period, and recovery of undue payments.
View service Property Hidden Defects and Construction DefectsClaims for hidden defects (Civil Code Arts. 1484–1490) and construction defects under LOE 38/1999: 1/3/10-year warranty periods, rescission action, decennial insurance, and liability of developers, contractors, and architects.
View service Real Estate LawComprehensive legal advisory for real estate transactions: acquisitions, due diligence, lease agreements, development, planning permissions, and investment structures.
View service Trade Secrets ProtectionProtection of confidential business information, know-how, and technical data under the Trade Secrets Act. Preventive audits, NDA drafting, litigation, and urgent injunctive relief.
View service Urban Leases (LAU)Legal advisory on residential and non-residential lease agreements under LAU 29/1994 and Law 12/2023: drafting, negotiation, rent-controlled zones, evictions and rent recovery.
View servicePublished analysis
Articles and reports published by Carlos
Spanish Form 111 in 2026: Quarterly Withholdings Tax Return Guide for Employers and Self-Employed
24 May 2026 · form 111, modelo 111
Spanish Form 190 in 2026: Annual Summary of IRPF Withholdings Guide
24 May 2026 · form 190, modelo 190
From Italian freelancer to Spanish tax resident: 2026 tax structure
12 May 2026 · italy, freelancer
CNAE 2026: What It Is and How to Find Your Code | BMC
3 April 2026 · CNAE, company-formation
Digital Nomad Visa Spain 2026: Complete Guide
1 April 2026 · digital-nomad, immigration
Form 303 VAT Spain 2026: Complete Guide + Deadlines
29 March 2026 · form 303, VAT
Spain Corporate Tax 2026: 25%, 23% and 15% Rates Explained
28 February 2026 · tax, corporate-tax
Startup Legal & Tax Barcelona 2026: Founder's Guide
13 February 2026 · startup, barcelona
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