Whether a single-member limited liability company can establish a Party organization must comply with the provisions of Clause 1, Article 2.Decree 98/2014/ND-CP as follows:

Applicable subjects

1. Limited liability companies, joint stock companies, partnerships and private enterprises, including limited liability companies and joint stock companies converted from 100% state-owned enterprises, Enterprises of Party organizations and socio-political organizations, enterprises with investment capital from foreign investors.

2. Enterprises with investment capital from foreign investors do not re-register according to Decree No. 101/2006/ND-CP dated September 21, 2006 of the Government regulating re-registration, conversion and registration. Sign and exchange Investment Certificates of foreign-invested enterprises according to the provisions of the Enterprise Law and Investment Law.

3. Cooperatives.

4. Enterprise managers and employees in the types of enterprises mentioned in Clause 1, Clause 2, Clause 3 of this Article.

The subjects mentioned in Clause 1, Clause 2 and Clause 3 of this Article are collectively referred to as enterprises of all economic sectors.

Thus, according to the above regulations, a one-member limited liability company can establish a Party organization if it meets the prescribed conditions.