Franz Althuber is a Partner and head of DLA Piper's Austrian Tax group as well as co-head of DLA Piper's European Tax Disputes group. He advises large domestic and international companies as well as high net-worth individuals in all fields of tax law and corporate law, including M&A, corporate restructurings and corporate litigation. He also regularly advises clients in the field of tax criminal law and has significant experience with tax audits and tax disputes, including refund claims, VAT disputes and disputes regarding the liability of Directors & Officers.

Franz is included in several listings of leading Austrian tax lawyers, including International Tax Review's World Tax and Legal 500. Austrian weekly business magazine Trend ranks him among Austria's top 10 tax lawyers. Chambers Europe and Chambers Global 2014 state that he "has profound knowledge of Austrian corporate and tax law and is highly responsive and undeniably reliable".

He also regularly represents accounting firms and their clients and is frequently consulted by other practitioners, among them transactional tax lawyers and accounting firms.