Statutory and Regulatory Audit and Related Services

The Thames Tideway Tunnel is a major infrastructure project, urgently needed to protect the tidal River Thames from increasing pollution. London’s sewerage system is no longer fit for purpose and spills tens of millions of tonnes of untreated sewage mixed with rainwater (combined sewage) into the tidal reaches of the River Thames every year.

Bazalgette Tunnel Limited (BTL), is the licensed Infrastructure Provider set up to finance, build, maintain and operate the Thames Tideway Tunnel. From Licence Award, BTL trades and is known to the public as 'Tideway'.

Bazalgette Tunnel Limited is part of a group of companies. Its immediate parent company is Bazalgette Holdings Limited, which is in turn wholly owned by Bazalgette Ventures Limited, and its ultimate holding company is Bazalgette Equity Limited, Bazalgette Finance plc makes up the group. The structure of the Tideway group of companies is shown in the accompanying Invitation To Tender (ITT). Tideway is therefore purchasing the Services on behalf of and for the use of the Tideway group of companies identified therein.

The Tideway group of companies requires a number of services to meet statutory and regulatory audit requirements in accordance with prevailing statutory, regulative and other relevant standards. In addition, other related or advisory services may be required on an ad-hoc basis, subject always to the principle of independence.

Interested parties must register on Tideway's e-sourcing portal and will be able to download the Invitation To Tender ('ITT') including the form of response to be completed and returned to submit a compliant tender. The registration process is set out in section VI.3) of this Contract Notice. The ITT contains further detail regarding Tideway, the Tideway group of companies and further detail on the Contract and the timeline and phases of the procurement. Whilst it is intended that the procurement will be run in accordance with the timeline and process described in the ITT, this contract notice and the procurement documents, Tideway reserves the right to amend or cancel any or all of the procurement at any time and/or amend the timescales.