By Dave Sebastian

Sea Ltd., the consumer-internet company, said its loss widened for the fourth quarter as expenses rose, though revenue increased and the company expects 2021 e-commerce revenue to more than double from 2020.

The Singapore-based company on Tuesday posted net loss attributable to ordinary shareholders of $523.6 million, compared with a loss of $283.8 million in the year-ago period. Losses were $1.06 a share, compared with 62 cents a share in the prior year.

Revenue rose to $1.57 billion from $777.2 million.

Operating expenses rose to $891 million from $494.9 million.

The company's digital-entertainment revenue rose 71.6% to $693.4 million. E-commerce revenue rose to $842.2 million from $302.6 million.

Digital-entertainment bookings more than doubled to $1 billion, with quarterly active users rising 72.1% to 610.6 million.

Sea's businesses include game developer and publisher Garena, e-commerce platform Shopee and digital-payments provider SeaMoney.

The company said it expects bookings for digital entertainment of $4.3 billion to $4.5 billion for 2021, with the midpoint reflecting an increase of 38.1% from 2020. Sea expects e-commerce revenue of $4.5 billion to $4.7 billion, with the midpoint reflecting a 112.3% increase from 2020.

Write to Dave Sebastian at dave.sebastian@wsj.com

(END) Dow Jones Newswires

03-02-21 0713ET