Corporate tax and legal services for companies in Switzerland

Companies operating in Switzerland face a wide range of tax and legal challenges, from day‑to‑day compliance obligations to complex structuring, transactions and cross‑border situations. Managing these matters efficiently requires both strong local expertise and a clear understanding of international contexts.

RSM Switzerland supports companies of all sizes with integrated corporate tax and legal services. We advise Swiss SMEs, family‑owned businesses and international groups, combining pragmatic local knowledge with access to a coordinated international network. Our approach is designed to support decision‑makers throughout the entire lifecycle of their company in Switzerland and beyond.

Our corporate tax and legal services for companies

Our qualified tax and legal specialists support companies across the following key areas:

Corporate income tax

Advisory and compliance services covering Swiss corporate income tax, withholding tax, VAT, tax planning, risk management and interactions with tax authorities.

Corporate law & permanent establishment

Legal support for companies on Swiss corporate law matters, governance, restructuring and permanent establishment issues.

Tax structuring & group taxation

Strategic tax structuring services for groups, including group taxation, intra‑group arrangements and alignment of tax and business models.

International groups

Dedicated support for international groups operating in or expanding to Switzerland, including cross‑border tax matters and coordination with foreign jurisdictions.

Due diligence & M&A

Tax and legal due diligence services for mergers, acquisitions, disposals and reorganisation projects.

Tax audits

Assistance during tax audits and disputes with Swiss tax authorities, including preparation, defence and negotiation.

Compliance services

Practical support for recurring corporate tax obligations, including tax returns, withholding tax, VAT and tax expense matters.

Practical considerations for setting up a company

Key tax and legal considerations when setting up a company in Switzerland, from incorporation to early‑stage compliance and optimisation.

Companies we work with

We regularly support:

• Swiss SMEs and growing companies
• Family‑owned and privately held businesses
• International groups and headquarters
• Foreign companies setting up or expanding operations in Switzerland

Our teams adapt their approach to the size, structure and objectives of each organisation.

Why RSM Switzerland

Our corporate tax and legal specialists work closely together to deliver pragmatic, business‑oriented advice. We focus on practical solutions that support compliance, manage risks and facilitate informed decision‑making.

As part of the RSM network, we combine strong local expertise in Switzerland with international coordination when cross‑border support is required. This allows us to assist companies operating locally, regionally or globally with consistency and clarity.