How to sell to the Government of Thailand

How to take part

1. Appoint a local agent or partner; they give early notice of tenders and check spec compliance.
2. Register as a supplier on e-GP with Thai business credentials.
3. Respond to RFIs or Rough Order of Magnitude requests ahead of formal tenders.
4. Check whether a two-envelope (technical/price) system applies.
5. Include training costs in the bid.
6. Appeals must be filed via e-GP within 7 working days of the result (mandatory from 1 Oct 2026, cutoff 16:30).

Local preference & limits

• SMEs get a 10% price preference in competitive bidding.
• Thailand is not a party to the WTO Government Procurement Agreement.
• Agencies may favour domestic suppliers they already work with.
• Offsets, technology transfer, training and after-sales service are evaluation factors.

Bid language · Mainly Thai; the e-GP platform is primarily in Thai.

Development-bank projects

Many public works are financed by multilateral development banks, notably the Asian Development Bank; follow the bank's procurement rules.

Good to know

• Agencies need not accept the lowest bid and may change technical requirements or call rebids.
• Integrity Pacts are mandatory on major contracts, with public observers monitoring.
• Foreign entities with no legal representative in Thailand are excluded from the e-appeal guidelines; other review rights remain.
• Key sectors: aviation/defence, power, renewables, petrochemicals, telecom, transport, ICT, environment, health.
• A Green Public Procurement framework launched in 2026 may favour green products.