Ofwat introduces changes within the existing regulatory framework in England to facilitate the implementation of aspects of the Cave recommendations in advance of statutory and licence reforms. Government due to publish White Paper on Water Market Reform in England and Wales.
Gemserv commissioned by Ofwat to provide a report which provides a robust breakdown of indicative costs for the design, build and implementation of a central IT system to support competition for non-household premises in England and Wales.
Gemserv works closely with industry stakeholders (government, regulators, water companies and customer groups) to discuss and develop proposals to support market reform arrangements.

Ofwat introduces its Sustainable Water Programme, setting out a strategy for the long term future of the water sector.
Welsh Assembly Government confirms that the Cave Review recommendations will not be pursued in Wales in the medium term. WICS publishes its report on the competitive retail market in Scotland.

Findings and Final Report of the Cave Review are published. Key recommendations include: opening the market to all non-domestic customers; full separation of the retail and network functions; incentivising the efficient use of water; use of metering as an effective means of enabling efficiency; and measures to support low income families.

Gemserv commissioned by Ofwat to provide a Review of Introducing Central Market Agency (CMA) Arrangements in the Scottish Water industry in support of their review of the WSL regime / Cave Review recommendations.

The Chancellor and the Secretary of State for the Environment, Food and Rural Affairs (DEFRA) commissions two independent reviews of the water sector: Professor Martin Cave to undertake a review of Competition and Innovation in Water Markets in England and Wales (Cave Review), and a review of Household Charging and Metering led by Anna Walker (Walker Review).

Competitive Scottish Water market opens on time on 1st April.
Gemserv requested to provide detailed input to both the Cave and Walker Reviews.
Gemserv continues to operate and support the Central Market Systems on behalf of the Central Market Agency.

Gemserv appointed by the Water Industry Commission for Scotland (WICS) to review and recommend the appropriate market governance
arrangements for the competitive water market in Scotland.
Gemserv appointed by WICS to design, build, test and implement the Central Market Systems and associated governance arrangements to support the competitive market arrangements.

The WSL comes into effect. Customer switching is processed under the Customer Transfer Protocol (CTP) as originally developed by Gemserv.
The Water Services (Scotland) Act is introduced.
Gemserv presents evidence to a Scottish Parliamentary Select Committee on the implementation of the new market arrangements arising from the Water Services (Scotland) Act..

Ofwat establishes a number of industry groups to advise on and develop the market arrangements in support of the Water Supply Licensing Framework (WSL) which allows new companies (licensees) to enter the water market in England and Wales and be able to compete with the existing appointed water companies to supply water to non-household customers.

Gemserv participates in the Licensing and Eligibility Advisory Group, Technical Advisory Group (TAG) and is tasked with the development of the Customer Transfer Protocol and the associated governance arrangements.

The Water Industry Act establishes the Consumer Council for Water and replaces the role of the single Director General of Ofwat with a board structure under the Water Services Regulation Authority from April 2006.