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Department of Internal Affairs

ICT Capabilities and Change Partners

Common Web Platform

The Common Web Platform (CWP) is a platform-as-a-service used for the creation and hosting of government and public sector websites.

Service description

CWP services include patching, disaster recovery, an online code repository and a co-funded development pool for new features and enhancements.

The platform provides parts of the solution while your agency controls:

  • the look and feel of your website
  • the suppliers of professional services to manage and develop the websites
  • the content
  • the website’s code
  • bespoke development to integrate the website with other systems
  • custom features and templates, and
  • extensions to functionality as your business needs require.


SilverStripe and Revera are contracted to provide the CWP.

SilverStripe deliver and manage the CMS and platform. Revera provides the relevant infrastructure, network and firewall.

Agencies deal directly with SilverStripe and do not sign a contract with Revera.

Service URL



With CWP your agency can use investments already made in technology components, designs and contracts.

The CWP provides:

  • tools, versioning, and backups to help your agency comply with the Public Records Act 2005
  • base website templates tested for compliance with New Zealand Web Standards
  • a platform architecture that′s been through an independent security review
  • regular patching and software updates
  • software and infrastructure components as–a–service, reducing the risk of poor performance due to ageing software
  • a single content management system (CMS) reducing the risk of staff making publishing errors and making it easier for business units to collaborate on content
  • reduced legal costs by providing a comprehensive legal contract, which includes financial incentives for providers to meet agreed service levels
  • a base install, with website templates and features selected to meet the common requirements of government web projects — allowing websites to be set up with urgency and reduces time for web projects
  • advanced tools, including enterprise search and Word Document conversion for use across all CWP websites
  • control to develop agency specific websites, without restricting design and functionality
  • a fit-for-purpose CMS, making it easy to update and restructure content
  • new features and CMS enhancements are made available at no extra cost.

SilverStripe also provide:

  • support and assistance to agency staff
  • services for agency developers / site administrators
  • reporting
  • 24/7 service desk and
  • an online code repository that allows sharing and reuse of code between agencies.


Features and services are continually improved through a co-funded development pool. The development pool is managed by the Department of Internal Affairs (DIA) with input from agencies using the platform.

Lead Agency

Te Tari Taiwhenua Department of Internal Affairs



Adopting the service

This agreement expires in September 2021.

Contact for more information about the replacement programme (Digital Experience Services).

Lead Agency Agreement summary

  • Closed Supplier Panel
  • Syndicated

Lead Agency Agreement details

DIA as lead agency has entered into a Syndicated Procurement Agreement (Lead Agency Contract) with SilverStripe for the purchase of the Common Web Platform.

Revera provides the infrastructure under a Common Capability ICT Agreement (CC-ICT) with DIA for cross-government Infrastructure as a Service.

The initial 3-year contract began in September 2013 with two 2-year options to renew.

Agencies using the service

  1. Airways Corporation
  2. AsureQuality Limited (AQ)
  3. Auckland DHB
  4. Callaghan Innovation
  5. Canterbury Regional Council
  6. Christchurch City Council
  7. Civil Aviation Authority
  8. Counties Manukau District Health Board
  9. Department Of Corrections
  10. Department of Internal Affairs
  11. Department of the Prime Minister and Cabinet (DPMC)
  12. Electoral Commission
  13. Enable New Zealand
  14. Environmental Protection Authority
  15. Financial Markets Authority
  16. Fire and Emergency New Zealand (FENZ)
  17. Gisborne District Council
  18. Hawke's Bay DHB
  19. healthAlliance
  20. Kāinga Ora – Homes and Communities
  21. Inland Revenue
  22. Institute of Environmental Science and Research (ESR)
  23. Leadership Development Centre (LDC)
  24. Manatū Taonga - Ministry for Culture and Heritage
  25. Ministry for Primary Industries
  26. Ministry for the Environment
  27. Ministry of Business, Innovation and Employment (MBIE)
  28. Ministry of Defence
  29. Ministry of Education
  30. Ministry of Foreign Affairs and Trade (MFAT)
  31. Ministry of Health
  32. Ministry of Housing and Urban Development
  33. Ministry of Justice
  34. Ministry of Social Development
  35. Ministry of Transport
  36. Nelson Marlborough Institute of Technology (NMIT)
  37. New Zealand Defence Force
  38. New Zealand Police
  39. New Zealand Security Intelligence Service (NZSIS)
  40. NZ Blood
  41. NZ Transport Agency (NZTA)
  42. Office of the Privacy Commissioner
  43. Oranga Tamariki - Ministry for Children
  44. Otago Polytechnic
  45. Parliamentary Counsel Office
  47. Real Estate Agency Authority (REAA)
  48. Social Investment Agency
  49. Southland District Council
  50. Sport New Zealand
  51. Statistics NZ
  52. Tasman District Council
  53. Te Kawa Mataaho Public Service Commission (PSC)
  54. Te Puni Kokiri
  55. Te Taura Whiri i te Reo Māori
  56. Teaching Council of Aotearoa New Zealand
  57. Tertiary Education Commission
  58. Thames Coromandel District Council
  59. The Electricity Authority
  60. Treasury
  61. Waikato DHB
  62. Waikato Regional Council
  63. Whanganui DHB
  64. Worksafe New Zealand

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