Siam Management Holding Co Ltd

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Siam Management Holding Co Ltd is a legal entity registered in Thailand, with headquarters in Krung Thep Maha Nakhon [Bangkok], Thailand.

This entity is not publicly listed, and it is not the result of a joint venture.

Table 1: Organization identifiers

ID Scheme	Code	ID data source
Global Energy Monitor (GEM)	E100001011054	–
Global Legal Entity Identifier Index	not found	–
PermID: Refinitiv Permanent Identifier	5079886244	​

Ownership Structure

Direct Ownership

Table 2: Direct ownership

Entity	Percentage / Percentage range
PTT	100.0

Ultimate Beneficial Ownership

Table 3: Ultimate beneficial ownership

GEM ID	Entity	Country
E100001015587	small shareholders	N/A
E100001015689	Ministry of Finance (Thailand)	Thailand

Intermediate Entities

Table 4: Intermediary entities

GEM ID	Entity	Country/Area
E100000001035	PTT	Thailand
E100002016070	Mutual Fund Vayupak One	Thailand

Direct Subsidiaries

Table 5: Direct subsidiaries

GEM ID	Entity	Country/Area
E100000001029	Global Power Synergy	Thailand

Asset Ownership

Siam Management Holding owns 26 assets, which can be found here.

Articles and Resources

Additional data

To access additional data, including a downloadable dataset, summary data, and interactive tools, please visit the Global Energy Ownership Tracker on the Global Energy Monitor website.