Subco is a Privately Owned company headquartered in Australia. Founded in 2016, with approximately 10 employees, the company reported $1.3M in revenue as of 2023. The company specializes in data centre infrastructure, functioning as a provider of undersea network systems that connect Australia to the Middle East and other regions.
Subco completed the final splice on its 5000-kilometer SMAP submarine cable on April 15, 2026, linking Sydney, Melbourne, Adelaide, and Perth. This milestone marked the end of wet plant construction, connecting all 16 fibre pairs across the full route and allowing for system acceptance testing to commence as the cable moves towards its Ready for Service (RFS) launch. The splice occurred in Victorian waters off the Surf Coast between the two Torquay branching units. Previously, on April 14, 2026, Subco announced the completion of the final splice, signifying the end of active marine construction and the system's readiness for end-to-end testing and commissioning. This followed an April 13, 2026, announcement that also detailed the successful completion of the SMAP's final splice, emphasizing the project's role in delivering Australia's single greatest transcontinental capacity upgrade in nearly 25 years.
Subscribe for full access to Subco's products in full detail 
