I've done alot of CV work recently, helping my team move into new roles, so feel free to ask if you think I can help - or I can message you my email address if you want a fresh pair of eyes on it xx
My immediate tips would be:
- keep it simple - emphasis on key words / impact words
- if you have lots of relevant skills put these towards the beginning
- with regards to previous employement don't just describe the role, say what you got from it or what skills you learnt e.g. ' during my time as a call centre assistant I was able to demonstrate exceptional levels of customer service and developed an in depth knowledge of....'
I have an interview guide thingy that I use in work that might help you - if you give me your email address I'd happily send you a copy. Good luck xxx