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Principles of management and reporting

In managing our sustainability programme, and describing it in this report, we aim to adopt the principles of the Global Reporting Initiative (GRI).

This table sets out how our report responds to each element of the framework.

Diageo's response to GRI reporting principles

Principle What it means Our response
Stakeholder inclusiveness The report should identify stakeholders and explain how the reporting organisation has responded to their reasonable expectations and interests.

We set out who our key stakeholders are, explain how we have engaged them this year and identify key areas of the report that address their areas of interest (see Engaging stakeholders).

We aim to formalise our reporting process in future years to capture and respond better to the views of our stakeholders around the world.


The report should cover topics and indicators that:

  • Reflect the organisation's significant economic, environmental, and social impacts or
  • Would substantively influence the assessments and decisions of stakeholders.

This year we began a process of analysing materiality across the business by engaging out internal stakeholders (see Determining material impacts). We have begun to map out those issues that are emerging as most material and aim to prioritise them based on stakeholder and business priorities. Our aim is to report fully on issues deemed highly material and to explain our approach to those deemed of medium materiality.

Sustainability context The report should present the organisation's performance in the wider context of sustainability. Where appropriate, we give the context for each impact area at the start of each section, and, where possible, explain the local impact of our operations, for example highlighting our impact on water in water-stressed areas.
Completeness Coverage of the material topics and indicators and definition of the report boundary should be sufficient to reflect significant economic, environmental, and social impacts and enable stakeholders to assess the reporting organisation's performance in the reporting period.

Our coverage of material topics is explained in the Scope and boundaries section.

In general:

  • Financial data represent the results of wholly-owned operations, subsidiaries and the attributable share of associates and joint ventures
  • Social data for the most part represent wholly-owned businesses and joint ventures in which Diageo has a controlling share
  • Environmental data represent all sites over which Diageo has full operational control, including offices.
Balance The report should reflect positive and negative aspects of the organisation's performance to enable a reasoned assessment of overall performance. We report against stretching targets and against GRI indicators, whether or not our performance is good. This gives a balanced view of our impacts, which have been defined taking into account the views of a range of stakeholders.
Comparability Issues and information should be selected, compiled, and reported consistently. We continue to report against GRI as well as targets disclosed in prior years to ensure that readers can compare this year's performance with that of previous years.
Accuracy The reported information should be sufficiently accurate and detailed for stakeholders to assess the reporting organisation's performance. We explain our methodology for calculating performance against targets (see Reporting methodologies). KPMG has provided limited assurance for the water and carbon data disclosed in this report where marked with a symbol ^.
Timeliness Reporting should occur on a regular schedule and information made available in time for stakeholders to make informed decisions. This report is published with our Annual Report every year. The data in both reports reflect performance in the year ended 30 June 2012.
Clarity Information should be made available in a manner that is understandable and accessible to stakeholders using the report. We aim to make our report easy to understand for a wide audience. Wherever possible, we define terminology and use visuals to make our messages clear. For example, we introduced a very visual introduction on the homepage. We also created an interactive map with select information across the globe, called Diageo-at-a-glance. Also we generally improved the mechanics of the site so information is easier to find.
Reliability Information and processes used in the preparation of the report should be gathered, recorded, compiled, analysed, and disclosed in a way that could be subject to examination and that establishes the quality and materiality of the information. KPMG has assured three aspects of our report, determined as being highly material for the success of our business and Sustainability & Responsibility Strategy:
  1. Diageo's application of the GRI principles of materiality and stakeholder inclusiveness during the development of the Sustainability & Responsibility Strategy at central level, and the introduction of the Sustainability & Responsibility Strategy to key markets
  2. Reliability of environmental performance data for 2012(carbon emissions and water usage) where marked with the symbol ^
  3. Diageo self-declared GRI application level.

^Covered by KPMG's limited assurance scope.

Reporting frameworks in this section