Overview

Tax compliance in Spain requires a disciplined and proactive approach. S360 Spain supports clients across all areas of taxation, including corporate tax, VAT, and withholding obligations. We ensure that all filings are accurate, timely, and fully aligned with regulatory requirements.

Our teams provide ongoing advisory support, helping clients interpret legislation, manage tax risk, and anticipate regulatory developments. We also represent clients before tax authorities, ensuring that communications are structured, documented, and defensible.

S360 Spain delivers tax & regulatory compliance through a disciplined, independent approach aligned with Spanish regulations, EU directives, and international standards. Our methodology ensures accuracy, transparency, and decision-ready outputs for stakeholders.

Serious about financial clarity?

Connect with S360 to establish structured oversight, stronger governance, and informed financial direction.

What We Offer

Corporate tax, VAT compliance, withholding tax, regulatory reporting, tax representation, and risk mitigation aligned with Spanish and EU regulations.

Corporate Tax Compliance

Accurate tax calculation, return preparation, and filing in line with Spanish corporate tax regulations.

VAT Advisory & Filing

Compliance support covering VAT calculations, reporting, and submission requirements under Spanish and EU frameworks.

Withholding Tax Compliance

Structured support for cross border payments and withholding obligations in accordance with Spanish tax laws.

Regulatory Reporting Support

Preparation and submission of required financial and tax disclosures to Spanish regulatory authorities.

Tax Objection Representation

Preparation and submission of formal tax objections and representation before Spanish tax authorities with structured technical defense.

Tax Risk Mitigation Strategy

Proactive assessment of tax exposure areas and implementation of internal tax control measures aligned with Spanish compliance standards.

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Industries we serve

We support organizations across Spain’s key economic sectors, delivering integrated financial, regulatory, and advisory services aligned with Spanish standards and global best practices.

Family Owned & Private Groups

Financial structuring, tax planning, and strategic advisory to support sustainable growth and succession planning.

Construction & Real Estate

Project cost control, contract review, revenue recognition, and feasibility advisory for complex developments.

Energy, Oil & Gas

Audit, compliance, and performance oversight for capital-intensive operations and joint venture structures.

Industrial & Manufacturing

Operational audits, cost analysis, ERP enablement, and financial optimization across production environments.

Financial Institutions

Regulatory reporting, valuation, forensic review, and risk management support for financial entities.

Healthcare & Life Sciences

Compliance, financial reporting, and performance advisory for regulated healthcare providers and operators.

Technology & Telecommunications

Governance, tax compliance, financial modeling, and growth advisory for digital and infrastructure-driven businesses.

Retail & Consumer Markets

Inventory control, VAT compliance, financial reporting, and expansion advisory for retail operations.

Government & Public Sector

Independent assurance, financial oversight, and compliance advisory aligned with national regulatory frameworks.

Logistics & Supply Chain

Cost optimization, tax compliance, and financial structuring for distribution and infrastructure networks.

Service-Based Enterprises

Accounting system implementation, tax compliance, and financial performance advisory for service organizations.

Education & Training Institutions

Audit, compliance, and financial advisory for private schools, universities, and training providers.

Discuss Your Tax & Regulatory Compliance Needs

Strengthen compliance and reduce exposure with S360’s disciplined regulatory support.
Services

A comprehensive suite of assurance and advisory services

External Audit, Financial Reporting & Assurance
Tax & Regulatory Compliance
Project Cost Control & Contract Review
Internal Audit, Governance & Risk Management
Valuation & Transaction Advisory
Feasibility Studies & Financial Modeling
Forensic Accounting & Investigation
Accounting Systems & ERP
Bank Financing & Credit Advisory
Restructuring & Liquidation Advisory
Digital Accounting & E-Invoicing
About us
Delivering independent assurance and advisory services across international markets. We provide disciplined audit, governance, tax, and financial advisory solutions for complex and regulated environments.
Industries
S360 combines deep sector knowledge with practical insights to help organizations operate with confidence and efficiency.
Family Owned & Private Groups
Technology & Telecommunications
Construction & Real Estate
Retail & Consumer Markets
Energy, Oil & Gas
Government & Public Sector
Industrial & Manufacturing
Logistics & Supply Chain
Financial Institutions
Service-Based Enterprises
Healthcare & Life Sciences
Education & Training Institutions