Waikato Local Authority Shared Services is owned in equal portion by the 12 Waikato local authorities:
- Hamilton City
- Hauraki District
- Matamata-Piako District
- Otorohanga District
- Rotorua Lakes
- South Waikato District
- Taupō District
- Thames-Coromandel District
- Waikato District
- Waikato Regional
- Waipa District
- Waitomo District
It was established in 2005 as a vehicle through which these councils could collaborate and identify opportunities for undertaking activity on a shared basis. Prior to 2019, it operated solely using a part-time contracted resource.