www.herbertsmithfreehills.com/notes/publiclaw/2024-posts/the-role-of-privilege-in-foia-investigations#page=1
www.herbertsmithfreehills.com/notes/litigation/2024-10/privilege–not-an-absolute-right-under-the-freedom-of-information-act#page=1
See also:
www.hilldickinson.com/insights/articles/does-freedom-information-act-apply-contractors-and-sub-contractors
globalinvestigationsreview.com/guide/the-practitioners-guide-global-investigations/2025/article/privilege-the-uk-perspective