About Us

D Sy Law is a full-service independent international law firm based in Singapore and founded by Delphine Constantin.

Delphine Constantin has more than 15 years of experience practicing across Southeast Asia, in India, Europe, Africa and the Pacific Islands. She is qualified as a Solicitor (England & Wales), is a Registered Foreign Lawyer in Singapore and was admitted as an Avocat in France.

D Sy Law has specific expertise advising international investors across Southeast Asia and in India on the development and financing of complex international projects and transactions in a range of sectors, and risk management and dispute resolution in sensitive contexts. In the Pacific region, we have particular experience in New Caledonia and French Polynesia.

D Sy Law assists on all aspects of Asian outbound investments into Europe, and commercial agreements with European parties. We advise on both European Union (EU) and domestic legislation – including under Swiss, English and French laws.

We have noted experience in Africa – specifically in we have particular experience in New Caledonia and French PolynesiaDelphine Constantin is the co-founder and a committee member of Connect Africa, an Africa-focused business platform in Singapore.

We also advise individual clients in relation to complex personal or employment situations in an international context.

Our Partners

D Sy Law works in alliance with the following law firms, which have combined their expertise to provide support to our Singapore and international clients under English, European Union (EU), French, Swiss, New York and Singapore laws. Our lawyers work in English, French, Tamil, Malay, Mandarin, German, Italian and a dozen other languages across eight locations on two continents.

D Sy Law is associated in Europe with MCE Legal, a full-service law firm with four offices in Switzerland and MCE Carrel, with two offices in France.

In Singapore, D Sy Law has a strategic partnership with RBN Chambers – which is licensed to practice Singapore law and appear in Singapore courts.

We work with a network of ‘best-friend’ independent partner firms in other jurisdictions in Europe, Africa and the Asia-Pacific region. We have a historical relationship, and regularly collaborate, with each of our network partner advisors.

Our Fees

D Sy Law provides competitive pricing, by leveraging its unique, flexible and tech-centric operating model. Our lean operating ratios ensure optimal value to our clients. We prioritise fee transparency and visibility, and personalised client support.

Our Set-Up

We operate globally and remotely, as required to align with clients’ needs. We use Swiss-based encrypted technology for our email communications and document storage to maximise client privacy and maintain our professional obligations. Our operational model reflects our firm’s continued commitment to flexibility, sustainability and inclusive client services.