Ratanarak family

The Ratanarak family is a Chinese-Thai business family associated with a diversified portfolio of companies based primarily in Thailand. Its business history is closely linked to Chuan Ratanarak, who immigrated to Thailand in 1926 at the age of six and later built a group of enterprises spanning financial services, construction materials and mass media. The family is best known for its founding role in Bank of Ayudhya, commonly known as Krungsri Bank, Siam City Cement and Bangkok Broadcasting & TV, the operator associated with Thailand’s Channel 7 television network. Rather than functioning as a consumer-facing brand with a single product line, the Ratanarak name represents a family-controlled or family-associated business network. Its interests have extended across several sectors, including commercial banking, cement manufacturing, television broadcasting, media production, real estate and corporate services. The family’s holdings and affiliations have included Allianz Ayudhya Capital, Matching Maximize Solution, Media Studio, Grand Canal Land, Eastern Star Real Estate and HR Pro Security and Services. The available reference material does not establish the precise ownership percentage, legal structure or current operating status of each associated company, so the family should be understood as a business family with substantial corporate interests rather than as a single operating corporation. Chuan Ratanarak’s entrepreneurial activity established the foundation of the family’s commercial position. Bank of Ayudhya became one of the prominent institutions connected to the family’s financial-services history, while Siam City Cement gave the group a significant presence in industrial materials. The family also entered broadcasting through Bangkok Broadcasting & TV, linking its business interests to Thailand’s television industry and to Channel 7. These ventures demonstrate a strategy of diversification across sectors with different revenue models and economic functions. Leadership subsequently passed to Chuan’s son, Krit Ratanarak, who inherited responsibility for the family’s companies. Krit is identified as a Thai businessman born in 1946 and as a central figure in the continuation of the family’s corporate activities. The next generation includes Chachchon Ratanarak, born in 1972, who founded the Tonson Group as the family’s investment arm. The creation of an investment vehicle indicates an evolution from operating businesses founded by the family toward a more structured approach to managing and allocating family capital, although the available source does not provide details on its assets, governance or investment performance. The family’s significance lies in the breadth and longevity of its participation in Thai business. Its associated companies have covered both regulated sectors, such as banking and insurance, and competitive commercial fields, including media, property and security services. The reference material does not provide a consolidated revenue figure, employee count, current ownership map, or a definitive list of all active holdings. Consequently, no financial scale or detailed present-day corporate ranking is asserted here. The family remains associated with a broad Thai business portfolio, with Chuan, Krit and Chachchon Ratanarak representing successive generations of its entrepreneurial and investment leadership.

The Ratanarak family’s business history begins with Chuan Ratanarak, a Chinese immigrant who arrived in Thailand in 1926 at the age of six. He later became an entrepreneur and established the foundations of a diversified family business network. The available historical account identifies three particularly important ventures associated with him: Bank of Ayudhya, Siam City Cement and Bangkok Broadcasting & TV. Bank of Ayudhya, also known as Krungsri Bank, connected the family to Thailand’s banking sector. Siam City Cement established an industrial position in cement and construction materials, while Bangkok Broadcasting & TV brought the family into television broadcasting through Channel 7. Together, these businesses gave the family exposure to financial services, industrial production and mass media rather than concentrating its activities in a single industry. Following Chuan’s death in 1993, leadership of the family’s companies passed to his son Krit Ratanarak. Krit’s role represents the second generation of leadership described in the reference material. The family’s later corporate interests have included Allianz Ayudhya Capital, Matching Maximize Solution, Media Studio, Grand Canal Land, Eastern Star Real Estate and HR Pro Security and Services. These associations indicate continued diversification into insurance, media, real estate and business-support services, although the source does not specify whether every named company remains under direct family control or the exact form of each holding. The third generation is represented by Chachchon Ratanarak, who founded the Tonson Group as the family’s investment arm. This development suggests a more formal investment-oriented structure for managing family capital and pursuing opportunities beyond the original operating companies. The source identifies Chuan, Krit and Chachchon as the principal named members of the family’s business history. The Ratanarak family is therefore best understood as a business dynasty and investment network rather than a conventional branded corporation. Its historical importance comes from the establishment and stewardship of businesses in several influential Thai sectors. Publicly available information in the supplied material does not provide a complete chronology of acquisitions, divestments, corporate restructurings, financial results or current ownership percentages. Those details remain outside this entry unless separately sourced.

• 1993

  Death of Chuan Ratanarak

  [1]Ratanarak familyen.wikipedia.org

  Chuan Ratanarak died, after which leadership of the family’s companies was inherited by his son Krit Ratanarak.

• 1926

  Chuan Ratanarak immigrates to Thailand

  [1]Ratanarak familyen.wikipedia.org

  Chuan Ratanarak immigrated to Thailand at the age of six, later becoming the founder of the family’s principal business enterprises.

• Founding of major family enterprises

  [1]Ratanarak familyen.wikipedia.org

  Chuan Ratanarak founded or established the businesses associated with Bank of Ayudhya, Siam City Cement and Bangkok Broadcasting & TV.

• Creation of Tonson Group

  [1]Ratanarak familyen.wikipedia.org

  Chachchon Ratanarak founded Tonson Group as an investment arm for the family.

A multigenerational Thai Chinese business family positioned through diversified ownership, operating-company leadership and family investment activities across major Thai industries.

• Commercial banking

  Bank of Ayudhya (Krungsri Bank)

  Bank of Ayudhya, widely known as Krungsri Bank, is the banking enterprise historically founded by Chuan Ratanarak and associated with the family. It represents the family’s principal connection to Thailand’s commercial-finance sector. The supplied material does not describe the bank’s current ownership structure, product range or relationship with the family in detail.

• Cement and construction materials

  Siam City Cement

  Siam City Cement was established by Chuan Ratanarak and represents the family’s industrial business interests. Its association with the Ratanarak family reflects the group’s early diversification beyond finance into cement and construction materials. No detailed product portfolio or current family ownership information is provided in the available reference.

• Television broadcasting

  Bangkok Broadcasting & TV

  Bangkok Broadcasting & TV was founded by Chuan Ratanarak and is associated with Thailand’s Channel 7 television operation. The business gave the family a major presence in broadcasting and mass media. The supplied source does not specify the company’s current corporate structure, programming strategy or ownership percentages.

• Family investment group

  Tonson Group

  Tonson Group is the investment arm founded by Chachchon Ratanarak. It represents the family’s later-generation investment platform and provides an organizational vehicle distinct from the operating businesses historically founded by Chuan. Detailed information about its investments, governance and assets is not included in the supplied reference.

1. 1Ratanarak familyen.wikipedia.org