CapAllianz Holdings Limited, an investment holding company, engages in the exploration, development, production, and drilling activities of oil and gas in Singapore and Thailand. The company operates through two segments, Oil and Gas and Investment and Trading. The company holds 20% interest in three producing concessions, including SW1, L44/43, and L33/43 located in Phetchabun Basin, Thailand. It invests in private equity deals, pre-initial and initial public offerings, and fixed income and hybrid instruments; and trades in equities, commodities, and other financial instruments.