D-Link Corporation was founded in March 1986 in Taipei as Datex Systems Inc. It began as a network adapter vendor and has gone on to become a designer, developer, and manufacturer of networking solutions for both the consumer and business markets.

In 2007, it was the leading networking company in the small to medium business (SMB) segment worldwide with 21.9% market share. In March 2008, it became the market leader in Wi-Fi product shipments worldwide, with 33% of the total market. In 2007, the company was featured in the "Info Tech 100", a listing of the world's best IT companies. It was also ranked as the 9th best IT company in the world for shareholder returns by BusinessWeek.

The company has 127 sales offices in 64 countries and 10 global distribution centres serving 100 countries worldwide.

D-Link operates an indirect channel model, selling through distributors, resellers, retailers, VARS, and Telecom Service Providers.

Its main competitors are Cisco, Netgear, and HP.