[cml]

Is anyone charging their clients who constantly pay late I mean 8-12 weeks late?

How have they reacted to this?  Have you found that it aids a speedy payment or damage what is left of your working relationship?
 

[cml]

Sometimes I find that when you are dealing with large companies they tend to have a laid back approach to their payments. 
Our invoices provides for an 8% roll on charge should the payment remains unpaid but they still take their time.  Not to mention the administration costs in having to send constant reminders,  statements etc...followed up by telephone calls.  Yet you find yourself in the position of not wanting to pull the contract having to think about the effects on your employees etc.  Especially if you'd taken on new staff to cope with the extra work and now we find ourselves having to sub the employees pay from other contract activities. 

The small buisness always get p*** on eh?