Obviously, there's disadvantages, like having no idea who you are applying for but that can be fixed with a bit of research.
It's a legal requirement in the UK for a recruiter to have your explicit permission to submit your CV to a company. The law is black & white but unfortunately most recruiters tend to be ignorant of it and those whe aren't simply ignore it as they know most candidates aren't aware of the fact. Never ever let an agent submit your CV to a company before they tell you who the company are.
Salary negotiations are incredibly simple. When you are offered a salary, simply push back and say you would be comfortable with 10% more. The worst that can happen is they will simply say that the budget won't allow it. The offer is still on the table and you've lost nothing.
It's a legal requirement in the UK for a recruiter to have your explicit permission to submit your CV to a company. The law is black & white but unfortunately most recruiters tend to be ignorant of it and those whe aren't simply ignore it as they know most candidates aren't aware of the fact. Never ever let an agent submit your CV to a company before they tell you who the company are.
Salary negotiations are incredibly simple. When you are offered a salary, simply push back and say you would be comfortable with 10% more. The worst that can happen is they will simply say that the budget won't allow it. The offer is still on the table and you've lost nothing.