Bank of Singapore, Asia's Global Private Bank | 109,325 followers on LinkedIn. Bank of Singapore is the dedicated private banking subsidiary of OCBC. Backed by OCBC’s strong credit ratings of Aa1 by Moody’s and AA- by both Fitch and S&P, it offers a unique value proposition as a safe Singapore-registered private bank. Its open-architecture product platform backed by strong research capabilities provides clients with first-class private banking and bespoke wealth planning solutions.