English Super Copywriter freelance

Hi
a start-up company in the portable energy market looking for a long term relationship English Copywriter freelance
We have many marketing activates ahead of us and we are looking for a freelance team player
that can create and produce a winning copyrighting to all our needs with a fast response time:
Website
Blog updates
Need some technical writing from time to time, based on existing content materials
Marketing activities: social media, newsletter etc. by demand

Can work great to does who is looking for a retainer per month with an extra hours fee model.

Only Freelancers will be replay not marketing agencies or content companies

Thanks
Yoni