New Zealand Inc has developed many resources to assist in exploring the ASEAN business environment. Our Ministry of Foreign Affairs and Trade (link here) have Heads of Mission covering all 10 ASEAN nations.
The New Zealand Trade and Enterprise (NZTE) are similarly well covered across ASEAN, and their Trade Commissioners and Business Development Managers are a great resource.
The ASEAN New Zealand Business Council works alongside many other partners based in New Zealand, and overseas, to assist companies expand their business ventures into and from ASEAN. A few of these agencies are listed below. Of course, the ASEAN New Zealand Business Council is the Secretariat for the ASEAN Business Alliance a key network of NZ Business organisations across ASEAN, read more about this initiative here.
Asia New Zealand Foundation https://www.asianz.org.nz/
Education New Zealand https://enz.govt.nz/
Natural Products NZ https://www.naturalhealthproducts.nz/
ASEAN Secretariat https://asean.org/