Rüegsegger Treuhand AG provides fiduciary and audit services together with tax and business consulting. Its services include financial and accounting (bookkeeping, annual financial statements, VAT returns, payroll administration), corporate consulting (company formation, restructurings, valuations, support for purchases and sales) and tax advisory (tax returns, tax planning, appeals, rulings), as well as limited statutory audits and special examinations. The firm also offers services related to real estate management.