Payment via Bank Transfer into UK bank account, must be UK account, preferably a Business Bank Account due to the volume, please message with rate.
What's the source of the funds in your bank account and why can't you buy from an exchange?
Since he won't or can't buy from an exchange (given the extensive and stringent verification requirements) it is almost without doubt that the funds were sourced illegally.
£5k-10k per week. Definitely criminal.
Be careful.
Everything is relative, £5k - £10k per week may seem a life changing sum for you, maybe not for someone else. Given the limitations of Coinbase, I am looking elsewhere.
Keep your ASSumptions to yourself.