ISO 27001 management clauses 4.2.3.e) and 6 specify mandatory requirements to carry out internal audits of the ISMS at planned intervals covering the scope of the certification and that "the selection of auditors and the conduct of the audits shall ensure objectivity and impartiality of the audit process".

Taylor Baines can provide qualified and experienced ISO 27001 Lead Auditors to ensure objectivity, impartiality and expert audit services delivering concise, objective and pragmatic audit findings.

ISO 27001 Information Security Management Systems
ISO 27001 Consulting & Auditing [.pdf]