Amber International Holding Limited provides marketing solutions for cost-plus and specified action marketing campaigns in Mainland China and Hong Kong. It operates through two segments, Marketing Solutions and Enterprise Solutions. The company also operates a digital asset wealth management platform. In addition, it provides fiat on/off ramp services that offer a gateway into the digital assets ecosystem; over-the-counter (OTC) trading solutions that provide access to global liquidity pools and personalized execution; flexible and fixed earn products that support a variety of currencies, including cryptocurrencies comprising Bitcoin and Ethereum, as well as stablecoins, such as USDC and USDT; dual cryptocurrency products featuring structured option. Further, the company offers DeFi Yield Enhance Products; Various strategic funds, including Finomenon and Amber Eco funds; and other services, including collateral lending and Amber Visa cards. It offers its products under the brand name of Amber Premium. The company is headquartered in Singapore.