02/ Mitigate Risks
Are you over-reliant on a few companies? If you lose 2 or 3 customers, what is the impact of your business?
What about hiring freezes? Ask yourself this: what half of your top customers stop hiring tomorrow?
Avoid the 'Single Point of Failure'.
How many contacts at these companies are actually giving you jobs? Are they all owned by your top biller? Start building relationships for the future.