Index of Services methodology

 Methodology information and documents about ONS's monthly Index of Services (IoS) figures.

• Introduction to the Index of Services

  Methodology information for the monthly Index of Services (IoS) figures which provide a timely indicator of growth in the output of service industries

• Guide to the Index of Services

  Movements in GVA for service industries measures by the Index of Services (IoS)

• Index of Services Conceptual basis

  The Index of Services (IoS) is designed to be a short-term measure of Gross Value Added (GVA)

• Index of Services construction

  This section describes the processes that occur at each stage of the construction of the Index of Services (IoS)

• Index of Services Source data

  This section covers the the Index of Services and the wide variety of different data is uses from many sources

• Index of Services Time series methods

  The Index of Services (IoS) is constructed within a computerised system known as the Central Shared Database (CSDB)

• Index of Services Quality assurance

  Information on the Index of Services Quality assurance process

• Index of Services in the National Accounts

  A monthly indicator of the change in GVA of the service industries in the UK national Accounts

• Index of Services future improvements

  Proposed improvements to improve both the range and quality of the indicators used to measure the Index of Services (IoS)