If the Answer is NO...
Then you will need to appoint a Lead Assessor to check and confirm that your assessment meets ESOS requirements.
Certification to ISO 50001, Energy management - This programme supports organisations across all industries to use energy more efficiently via an energy management system (EnMS) and those that have this certification already meet the ESOS requirements apart from having a Lead Assessor check and confirm that your submission meets the standard.
Your Lead Assessor can be either an Employee or External Contractor. But... they must be a member of an approved ESOS lead assessor register.
To get started download
and complete the ESOS First Steps form, then simply email it to firstname.lastname@example.org and we will review it with you to clarify your options.