WIYONO PARTNERSHIP is an Indonesian corporate law firm based in Jakarta, the capital city of Indonesia. Its office is located in the prime business district at the heart of Jakarta city i.e. at Cyber 2 Tower, Jalan H.R. Rasuna Said Block X-5 No.13, Kuningan Jakarta. .

WIYONO PARTNERSHIP is established by Wiyono Sari, an Indonesian lawyer, who has gained long experiences and well reputation in the market.

"Clients commend Wiyono Sari for his impressive work ethic and responsiveness: "He always delivers good-quality work, often to tight deadlines." Sources also value his ability to provide clear explanations of complex legal agreements."

- Chambers Asia: Asia's Leading Lawyers for Business

WIYONO PARTNERSHIP is the most active Indonesian law firm advising on infrastructure projects in Indonesia, especially toll road projects and clean water projects. In addition to acting as legal counsel to Indonesian Toll Road Companies Association, WIYONO PARTNERSHIP represents majority toll road companies in Indonesia, including an Indonesian subsidiary of the largest toll road operator in Malaysia developing 116KM Cikampek - Palimanan Toll Road and a subsidiary of Jasa Marga- the largest toll road operator in Indonesia - developing the most ' beautiful' flying over the sea Bali Toll Road. .

The firm just successfully advised a toll road concessionaire in raising an IDR8.8 trillion (or more than USD900 million) loan facility from syndication of 20 banks and an IDR2.5 trillion (around USD265 million) quasi-equity mezzanine facility. The firm also advised a contractor in getting an IDR1.155 trillion (around USD122 million) bank guarantee facility from three major banks operating in Indonesia.

It is our objectives that our services shall add value to transactions undertaken by our clients. Therefore, our firm has the motto "Value Adding Partner", which drives our lawyers in performing excellent services to our esteemed clients. .

The firm assists numbers of multi-national companies, offshore or onshore funds, international banks and financial institutions, group of companies in Indonesia..

Our firm works together and maintains good relationship with numbers of international firms. For cross-border transactions, our firm collaborates with those international firms to provide integrated services to our clients..