Hello,
I am exactly the man whom you are looking for!
I am an expert on this. My portfolio includes projects for large companies, e.g. Time Inc. (Entertainment Weekly, Southern Living, All You), The Atlantic, Forbes, Vogue. My templates look perfect across wide range of email clients!
Huge experience! I have coded over 300 responsive email templates in the past year and over 1000 in my email designer&coder career. I am able to provide responsive behavior even in Gmail App on iOS & Android devices, and even in new 5.x Android native email app where responsive emails are not supported out of the box! I am using my own unique framework.
I also have a plenty of experience in Campaign Monitor. I will rewrite your template from scratch to meet best email clients compatibility.
Here are examples of my responsive coding email template jobs:
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Need more feel free to ask. I have got lots of it :).
I am using Email on Acid service for quality assurance. Supported platforms are Outlook 2000, ..., 2016; Apple Mail 5, 6, 7, 8; Lotus Notes 8, 8.5; Thunderbird; iOS, Android, Windows Phone devices and web-based clients AOL Mail, Gmail, [login to view URL], Yahoo Mail and more...
It is hard to give a fair price without seeing full design. Show me the artwork will update my bid if needed.
Thanks & Cheers
Bartosz Talarek