Mapping Global Reporting and Assurance Practices
G20 +
▪4
th
publication / 4-year trend
▪1400 largest companies
▪22 jurisdictions
▪ESG Reporting / Assurance / Standards
69% 31%
2019
2020
2021
2022
RATE OF
ASSURANCE BY
JURISDICTION
The rate of assurance continued to steadily
progress across most jurisdictions from 51%
in 2019 to 69% in 2022.
•100% of companies reviewed in France,
Italy, and Spain obtained assurance on
some of the ESG information disclosed.
•Average assurance in Other EMEA
jurisdictions declined 1% - mostly due to
higher rates of reporting in Saudi Arabia
without additional assurance.
Have Assurance No Assurance
100%
AMERICAS EUROEPAN UNION OTHER EMEA ASIA-PACIFIC
ARGENTINA CANADA USA GERMANY SPAIN SAUDI
ARABIA
TURKEY AUSTRALIAHONG KONG
S.A.R.
INDONESIASINGAPORE
BRAZIL MEXICO FRANCE ITALY RUSSIA SOUTH
AFRICA
UNITED
KINGDOM
CHINA’S
MAINLAND
INDIA JAPAN SOUTH
KOREA
100%
50%
0%
69% AVERAGE OF ASSURANCE
58% 42%
2019
2020
2021
2022
WHO PROVIDED
ASSURNCE
BY JURISDICTION
Audit firms continue to perform the majority
of sustainability assurance.
•73% of audit firm assurance was
performed by a company’s statutory audit
firm.
•Over 90% of assurance in the EU was
performed by audit firms.
•Audit firm market share has fallen from
47% in 2019 to 40% in 2022 in Asia-
Pacific.
Audit Firm Other Service Provider
100%
AMERICAS EUROEPAN UNION OTHER EMEA ASIA-PACIFIC
ARGENTINA CANADA USA GERMANY SPAIN SAUDI
ARABIA
TURKEY AUSTRALIAHONG KONG
S.A.R.
INDONESIASINGAPORE
BRAZIL MEXICO FRANCE ITALY RUSSIA SOUTH
AFRICA
UNITED
KINGDOM
CHINA’S
MAINLAND
INDIA JAPAN SOUTH
KOREA
100%
50%
0%
58% AVERAGE OF AUDIT FIRMS
MAPPING ASSURANCE PRACTICE: APPLICATION OF ISAE 3000 (REVISED)
5
92%
Percent of assurance reports that use
ISAE 3000(R).
Of assurance that applies ISAE 3000 (Revised),
percent of engagements performed “in
accordance with.”
Of assurance that applies ISAE 3000 (Revised),
percent of engagements that apply IESBA
Code or other ethics code/standard
Of assurance that applies ISAE 3000 (Revised),
percent of engagements that apply ISQC 1
or other quality control standard.
AUDIT FIRMS
OTHER SERVICE
PROVIDERS
38%
97% 64%
91% 33%
94% 43%