The firm promises to provide greater transparency into its ratings process and to spend more energy on post-issuance monitoring and updating of its ratings.
Pam Johnson, Unison union head of health for Yorkshire and Humberside, said she was concerned about the lack of transparency over the appointment of the consultancy firm.
Only a united Europe could hold Gazprom accountable to transparency and competition rules, stopping the firm from dictating its terms and playing one EU country against the other.