Danny Darussalam Tax Center (DDTC) was established in 2007. It was founded by Darussalam and Danny Septriadi. Darussalam is the head of the tax practice. The practice has five partners and 110 other fee earners. DDTC provides clients with a range of taxation services including corporate income tax, individual income tax, VAT, customs and excise, local tax, property tax and international tax. The practice's clients come from a variety of sectors including automotive, banking, oil and gas, mining and electronics. The firm provides tax seminars and courses for the public. It has established the DDTC Academy which provides a tax training programme. Participants to the firm's tax seminars and courses include the Director General of Taxation (DGT), the tax authorities, tax consultants including the Big 4 and MNEs.