To bring the clients with international expertise, especially in cross-border transactions, VMK maintains working relationship and cooperation with a number of international and regional law firms. Some firms which VMK has worked with include: Arent Fox LLP (USA), Orrick, Herrington & Sutcliffe LLP (USA), DLA Piper Singapore Pte Ltd, Keystone Law Corp (Singapore), Focus Advokater (Denmark), Ladegaard, Rasmussen & Partnere (Denmark), David Lim & Partners (Singapore), JW Law (Korea), DFDL/Mekong Law Group (Indochina), and Raja, Darryl & Loh (Malaysia).

The firm is also a member of various professional organizations and associations such as the Vietnam Lawyers Association, the Ho Chi Minh City Bar Association, the International Bar Association (IBA), the Inter-Pacific Bar Association (IPBA), the Law Association for Asia and the Pacific (LawAsia), the Association of European Attorneys (AEA), the International Trademark Association (INTA), and the Asian Patent Attorneys Association (APAA), and the ASEAN Intellectual Property Association (ASEAN IPA).