Achim Schweizer studied law in Tübingen and Berlin. He was admitted as a lawyer in 2001, as tax adviser in 2005 and as auditor in 2008.

Achim Schweizer advises clients primarily in the area of tax and corporate law. His work also focuses on legal services for non-profit and private-benefit foundations as well as other non-profit organisations, including support during the start-up phase, in negotiations with supervisory or revenue authorities and with accounting issues.

As a public auditor, Achim Schweizer prepares consolidated and single-entity annual financial statements as well as all other audit-related advisory services including company valuations, corporate acquisitions and capital conversions. Achim Schweizer is a member of the Audit Committee of the German Chamber of Auditors (Wirtschaftsprüferkammer or WPK).