Tuas Limited (ASX:TUA) is an Australia-based investment holding company that owns and operates a mobile telecommunications network in Singapore through its primary subsidiary Simba Telecom Pte Ltd; Simba provides mobile services including postpaid and prepaid voice, data, SMS, roaming and device bundling plans supported by nationwide 4G and 5G coverage; fixed broadband services up to 10 Gbps for residential and corporate customers; broadband equipment sales, on-site activation and installation; support and maintenance for technologies and system solutions; and emerging eSIM offerings via subsidiary Goose eSIM Pte Ltd. The company also operates through subsidiaries Netco East Pte Ltd and Netco West Pte Ltd for network infrastructure, and Tuas Solutions Sdn Bhd in Malaysia for IT development and support services. Tuas serves consumer and enterprise customers in Singapore, with approximately 1.25 million active mobile subscribers and 25,600 fibre broadband subscribers as of July 2025; it employs around 150 staff and generated S$151.3 million in revenue and S$68.4 million in EBITDA for FY25 ending July 31, 2025. Incorporated in March 2020 and headquartered at 12 Lyonpark Road, Suite 1, Macquarie Park, New South Wales 2113, Australia, Tuas originated as a demerger from TPG Telecom Limited following its merger with Vodafone Hutchison Australia. In August 2025, Tuas announced a transformative S$1.43 billion acquisition of M1 Limited's non-ICT operations from Keppel companies, pending regulatory approval from Singapore's Infocomm Media Development Authority and expected to complete within months; the deal, funded by A$416 million equity raising via institutional placement and share purchase plan plus S$1.1 billion debt, positions Tuas as a full-service telco with combined pro forma LTM revenue of S$949 million and EBITDA of S$256 million through two-brand strategy leveraging Simba's value plans and M1's premium services, mobile postpaid/prepaid, fibre broadband, enterprise cloud and managed networks; it targets S$50-100 million annual synergies from network optimisation using compatible Huawei equipment, capex reduction to S$80 million annually, and market share expansion to 40% in mobile.