Diagonal Consulting WB

Diagonal Consulting is a private business consultancy operating from Spain. The firm provides advisory services in corporate, tax, accounting and labor matters and offers cross-border consulting between Spain and other countries. The company's contact address is in Barcelona, Spain, and its activity includes international work in both directions: inbound business to Spain and outbound business from Spain to other jurisdictions. The organisation states more than 25 years of operation and describes a multidisciplinary professional team.

Services and Capabilities

• Labor and human resources advisory — delivery of labor-management consulting, compliance with employment regulations, payroll-related processes and documentation for personnel management.
• Accounting services — bookkeeping, preparation of financial statements and use of commercial accounting software to provide scalable accounting operations.
• Tax advisory and compliance — recurring tax compliance, preparation of tax filings and customized advisory for corporate and individual tax matters.
• Legal and labor law services — legal support on employment disputes, preventive legal advice, contract and procedural documentation handled by a specialized legal team.
• Corporate compliance (Compliance) — implementation and review of controls and governance measures to reduce legal, criminal and reputational risk and to align company procedures with regulatory requirements.
• Mergers and acquisitions support — facilitation of company purchase and sale processes, preparation of transaction documentation and alignment of interests between buyers and sellers.
• International business consulting — cross-border advisory services coordinating tax, labor and corporate matters for transactions and operations between Spain and other countries.

Industry Focus

• Manufacturing and commerce — provision of accounting, tax and labor advisory tailored to production and distribution operations.
• Consulting and technology — support on corporate, tax and employment matters relevant to professional services and tech firms.
• Transport and hospitality (restoration and hostelería) — compliance and operational advisory addressing sector-specific labor and tax issues.
• Health, associations and foundations — governance, compliance and accounting services for non-profit and health-related organisations.
• Renewable energy — advisory on corporate and tax aspects applicable to companies in the energy sector.

Technology and Delivery Approach

• Use of commercial accounting and business software platforms to provide scalable and centralized accounting services and to maintain data rigor in financial processes.
• Multidisciplinary team delivery model combining lawyers, economists, labor relations specialists and tax technicians to allocate tasks by area of expertise.
• Centralization of services to consolidate administrative, accounting, tax and legal workflows for clients in a single coordinated engagement.
• Cross-border coordination and bidirectional international advisory to manage regulatory, tax and labor matters across jurisdictions.
• Emphasis on process and procedure improvement, including administrative and information-security measures, to support compliance and operational control.