I’ve seen a lot of guides and presentations outlining, sometimes in great detail, what it takes to write a good criteria for an invitation document, but who can remember all of that. In reality, you can break it down into three areas of consideration. What do I want supplied; How will I know a supplier has it; How will I assess their responses.
Proponents of single sourcing will identify value for money in the close working relationship, saved time through removal of ramp up requirements and extensive knowledge of the organisation. So why do procurement professionals frown upon single sourcing to the point of implementing policies and extended approvals in an attempt to deter it?
Establishing and maintaining competitive tension in your procurement processes is the easiest and most effective method of driving value for money outcomes. So what is competitive tension? The most elegant description I have seen is that a proponent perceives a creditable threat to their ability to win the bid. The three key words are “perceives” and “credible threat”.