CG Fisc'Qualité provides tax consulting services, particularly for expatriates and individuals with complex tax situations. The core activities include: tax returns for individuals and self-employed persons, tax advice, especially for expatriates, assistance with rectification of withholding tax, support for tax refunds, advice on social security and immigration issues, and review of tax assessments and assistance with filing complaints. The company also offers specialized services such as preparation of tax returns for quasi-residents and review of tax assessments.