Cleaning and verification are different activities
Cleaning is an action with a method, a product, a contact time and a frequency. Verification is an assessment of whether the result met a standard, and in a food facility it may involve visual inspection, structured checks against a schedule, or testing that feeds into the site's quality records. The two are performed by different parties for good reason: verification loses its value when the person performing the work also confirms it.
That separation shapes what a contractor should and should not be asked to do. Recording that a task was completed is appropriate and useful. Signing off that a surface met a hygiene standard is a verification activity that belongs to the site, particularly where the result feeds into a quality system or a customer requirement. Blurring the two weakens the site's own assurance rather than strengthening the cleaning arrangement.
