As licensed audit experts under the supervision of the Swiss Federal Audit Oversight Authority (FAOA), RSM Switzerland provides audit and assurance services designed to meet statutory requirements while delivering meaningful insight and strategic value.

Our experienced professionals go beyond the audit opinion to understand your business, identify risks and support transparency. Through a risk-based and tailored audit approach, we help organisations strengthen governance, enhance stakeholder confidence and make informed decisions in an increasingly complex regulatory environment.

Combining strong Swiss expertise with international capabilities, we support organisations of all sizes across a wide range of industries in Switzerland and internationally. 

Comprehensive audit services

Whether an organisation has a legal requirement or chooses to undertake a financial audit, RSM Switzerland provides independent external auditing services tailored to its size, governance model and reporting obligations.

As audit specialists, we go beyond simply delivering the opinion required by stakeholders. Our teams identify key areas of risk, challenge assumptions where necessary and provide clear, practical insight that supports better decision-making and strengthens financial reporting processes.

Clients benefit from value-oriented audits performed by experienced professionals and specialised industry experts, combining efficiency, independence and technical rigour. 

Our audit approach

A risk-based and tailored methodology

Every organisation is different. Our risk-based audit methodology is adapted to your specific context, including your internal control environment, key financial reporting areas and stakeholder expectations.

Focus on what matters

Our teams focus on the areas that are most relevant to your business, providing insight on financial risks, reporting quality and operational challenges that may impact transparency and confidence.

Beyond compliance

We go beyond compliance by delivering actionable insights that support long-term value creation and improved governance.

Our audit services

Our audit and assurance services cover a broad range of company needs and accounting frameworks, including the Swiss Code of Obligations, Swiss GAAP FER, IFRS and US GAAP. 

Statutory & voluntary audits

We perform statutory and voluntary audits, ensuring compliance with Swiss legal requirements while providing clear and reliable financial information.

Group audits

We support international organisations with group audits, ensuring consistency, coordination and efficiency across multiple jurisdictions.

Regulatory & compliance audits

We provide specialised audits in regulated environments, including:

• Prudential audits under FinSA / FinIA & Anti-Money Laundering (AML) audits

These services support organisations in meeting regulatory compliance requirements and strengthening internal controls.

Sector-specific audits

We also perform donor and project audits for NGOs and NPOs, combining audit expertise with a strong understanding of sector-specific challenges.

IFRS & international standards

We support organisations operating across borders with audits and advisory services related to international accounting standards, including IFRS and US GAAP.

This ensures consistency in financial reporting and alignment with stakeholder expectations at both local and international levels.

Special operations

Our services extend beyond financial statement audits to include special operations and independent external assurance engagements.

We perform special audit engagements under Swiss law, including capital changes, restructurings and other transaction-related audits.

In addition, we provide assurance services aligned with:

• International Standards on Review Engagements (ISRE)
• International Standards on Assurance Engagements (ISAE)
• International Standards on Related Services (ISRS)

These services enhance the reliability and credibility of corporate reporting while supporting stakeholder confidence.

Why choose RSM Switzerland

Swiss expertise with international reach

We combine deep local knowledge with access to international resources, allowing us to support both domestic and cross-border engagements.

A single point of contact

We provide a clear and efficient client experience, with a dedicated contact coordinating your audit engagement and ensuring smooth communication. 

A multidisciplinary approach

Our teams bring together audit, sector and technical expertise to help organisations manage risk, improve processes and support sustainable growth. 

Get in touch

If you would like to discuss your audit and assurance needs or explore how an independent audit can deliver meaningful insight and long-term value, our specialists are available to support you with tailored and efficient solutions.

Explore our Audit capabilities

Looking for a concise overview of our audit and assurance services? Download our factsheet to learn more about our approach, expertise and the solutions we provide to organisations operating in Switzerland and internationally.