I do the payroll and operate the - mostly NEST - AE schemes for all of my small employers.
After set-up my minimum months fee on top of existing payroll fee is £25 pm for operating the AE scheme for up to 5 employees on the payroll.
However, I'm not sure that I've yet appreciated all the nuances of a pricing structure, eg:
One client has 5 non-eligible employees, an occasional turnover of staff, and I personally don't expect any of them to opt-in, but who knows. My advice leaves the decision with the employer to set-up a shell NEST scheme just in-case an employee opts-in, or not.
Let's say this employer doesn't set-up a scheme, all employees are currently non-eligible, and so from their point of view once I've charged them for the set-up (including advice, initial communications to employees and DoC) I don't think that they're expect much more in the way of fees - at least it's rare that they'll see me in action. But, we know that there is the responsibility of continual assessment, communications to new employees or those that become eligible etc.
My feeling is that there should be a monthly fee where there are any employees on the payroll (excluding directors) albeit maybe a discounted fee.
One client has two non-eligible employees (family members) will he believes will never opt-in. He's highly unlikely to have any staff turnover and these employees are highly unlikely to ever in any pay period change from non-eligible to eligible.
Going by my feelings above then there should be a monthly fee in this case too but this seems even more difficult to justify.
The ultimate question is do you charge running fees where the actual pension scheme is inactive because all employees are currently non-eligible and have not opted in?