This is a timeline of Telus Corporation , a publicly traded Canadian multinational holding company offering a range of telecommunications, health, safety, and security products and services. The company operates Telus Communications Inc., which offers telephony, television, data and Internet services, Telus Mobility, a division that offers wireless services, Telus Health, which operates companies that provide health products and services, and Telus International which operates worldwide, providing multilingual customer service outsourcing and digital IT services.

By 2014, Bell Canada, Rogers Communications, Telus, Shaw Communications, and Quebecor Media—the "Big Five"—were the largest telecommunications companies in Canada, in that order. The "Big 5" had become "enormous media conglomerates" active across Canada in many "telecoms, media and internet markets" with "mobile wireless and internet access.".