Top 10 Business Empires Thailand’s Wealthiest Corporations of 2025

Revealing the top 10 wealthiest businesses of 2025! Despite global economic fluctuations over the past year, Thailand's top-tier business groups continue to demonstrate powerful potential and wealth. In 2025, PTT firmly maintained its number one position, while several other groups showed impressive performance through leapfrog growth and historic turnarounds, reflecting the overall strength of the Thai capital market. In addition to the capital market, the real estate sector is also on an upward trend, which you can read about here.

PTT Holds 1 Rank and GULF Achieves Record-Breaking Growth

Two giants in energy and infrastructure continue to set new standards for the business industry

• PTT (Rank 1)

Holds the position of the wealthiest business with a net profit of over 90,166.37 million THB and total revenue reaching 2.7 trillion THB, maintaining growth at +0.10%.

• GULF (Rank 2)

This has been the most remarkable year for GULF, as it achieved the highest growth in the group with a net profit of 79,997.77 million THB, a massive increase of 274.12%.

• PTTEP (Rank 3)

Recorded a net profit of 60,273.15 million THB, though this was a decrease of -23.53% from the previous year.

Banking & Telecom Giants The Stable Wealth of Finance and Communication Groups

Financial institutions and telecommunications remain essential gears driving continuous profit

• Banking Group: Led by KBank (Rank 4) with a profit of 49,564.77 million THB, followed by Krungthai (Rank 5), which saw outstanding growth of +9.97% with a profit of 48,228.60 million THB.

• SCB (Rank 7) and Bangkok Bank (Rank 8): Remain strong with profits of 47 billion THB and 46 billion THB, respectively.

• AIS (Rank 6): The number one giant in communications performed beautifully with a profit of 47,885.90 million THB, an increase of 36.52%.

The Great Comeback THAI Airways’ Historic Turnaround

The highlight you cannot miss is the exceptional recovery of the national carrier

• THAI Airways (Rank 10): Delivered a superior comeback; after a loss of over 26,901 million THB the previous year, it surged back to a net profit of 30,910.26 million THB in 2025. This return to profitability is more than just a number; it symbolizes the restoration of confidence in luxury travel.

The wealth of these business empires perfectly reflects the recovery potential and growth of the Thai economy in 2025.

Special thanks to Thairath for the information.