Hello,
I am google analytics expert, working since 2012.
I would help tag manager issue and also will take snapshot step by step.
My recent projects are:
https://www.freelancer.com/projects/data-entry/report-based-google-analytics-data/?w=f
https://www.freelancer.com/projects/marketing/create-sample-analytics-report/
https://www.freelancer.com/projects/javascript/google-analytics-for-embedded-video/?w=f
https://www.freelancer.com/projects/google-analytics/propose-setup-google-analytics-tracking/?w=f
Thank you
Parbind