Optus is one of Australia's largest telecommunications companies, providing a range of services including mobile phone plans, internet, and television. Founded in 1981, it operates as a subsidiary of SingTel, a major telecommunications group based in Singapore. The company is known for its extensive network coverage and competitive pricing. Optus offers various plans tailored to meet the needs of individuals, families, and businesses, making it a popular choice among Australian consumers. Additionally, it invests in technology and infrastructure to enhance its services and customer experience.