How Goldman Sachs built a presence in consumer banking

Goldman Sachs, the financial-services provider, has entered the consumer space in an impactful way using its own brand muscle and a high-profile partnership.

Goldman Sachs partnered with tech giant Apple to launch its first credit card earlier this year.

For Apple, this constituted a logical extension to its Apple Pay mobile-payments platform, with customers able to apply via their phones, and start using a...