GTM created.
Added other team members to GTM account for access.

Isaac Here is the Code for you to install on client's website. 
Thanks. 

<!-- Google Tag Manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-TRJX5CG');</script>
<!-- End Google Tag Manager -->
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-TRJX5CG"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->

Hector  -  ADDED

Thank you Isaac  
Can you please also add their Google Analytics code - 
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-154397240-1"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'UA-154397240-1');
</script>

Hector - ADDED

Thank you Isaac !
But on another thread, I responded to you that I am seeing an error on a duplicate BLANK GAnalytics tag.

hollywood empty GS tag.png 671 KB • Download

Can you please remove it?
I can then close this out. 
Thanks. 

Verified we are good to go on this. 
All Gtags are installed and working properly.