Methodology

The KPMG ESG Assurance Maturity Index is composed of five pillars, designed to help companies measure progress in each area:

Governance

Whether the firm has the policies in place to ensure effective ESG reporting

Skills

Whether the firm has the right team in place with the necessary level of training

Data management

Maturity in three key components of data usage: (a) identifying the right data, (b) having a process to collect the data, and (c) having the necessary controls in place to ensure data quality

Digital technology

The firm’s maturity in using technology for its ESG reporting needs and how much progress it has made in integrating financial data and non-financial data systems

Value chain

The role third-party suppliers play in the firm’s ESG data assurance efforts.

Scoring

We used one or more questions in the survey to gauge progress in each pillar. We scored responses to each question and averaged them to arrive at an overall score for each pillar between 0 and 20. We then weighted and combined these pillar scores into the overall KPMG ESG Assurance Maturity score, using the following weights:

  • Governance – 0.25
  • Skills – 0.25
  • Data management – 0.25
  • Digital technology – 0.15
  • Value chain – 0.10

Each respondent was assigned to one of three maturity categories (Beginner, Advancer, or Leader), based on their weighted index score.

Definitions of maturity stages

Beginners

across all areas of assurance readiness, most Beginner firms are in the starting to implement phase, with a few firms in mid-implementation in a few, but not all, areas. These firms have the most work to do to be ready for ESG assurance.

Advancers

Advancer firms tend to be in the mid-implementation phase across most areas of assurance readiness. However, there are still one or two areas where each firm is only starting to implement.

Leaders

Leader firms tend to be in the mid-implementation phase across most areas of assurance readiness. However, there are one or two areas where each firm is more advanced, in the completed phase. It is important to

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